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IPv6 reachability of name servers always ✅ (even on networks without IPv6) #1597

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bwbroersma opened this issue Dec 13, 2024 · 1 comment · Fixed by #1598
Closed

IPv6 reachability of name servers always ✅ (even on networks without IPv6) #1597

bwbroersma opened this issue Dec 13, 2024 · 1 comment · Fixed by #1598
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@bwbroersma
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backport Fix to be backported bug Unexpected or unwanted behaviour of current implementations
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backlog

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@bwbroersma
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bwbroersma commented Dec 13, 2024 •
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Sample test report, note the constructed ns2 uses 3fff::1, from the by RFC 9637 registered documentation IP space.

The problem is in the fallback method of testing for NS connectivity:

Internet.nl/checks/tasks/ipv6.py

Lines 297 to 344 in 0e5a6d1

def test_ns_connectivity(ip, port, domain):
log.debug("Testing fallback NS connectivity")
# NS connectivity is first tried with TCP (in test_connectivity).
# If that fails, maybe the NS is not doing TCP. As a last resort
# (expensive) we initiate an unbound context that will ask the NS a
# question he can't refuse.
def ub_callback(data, status, result):
if status != 0:
data["result"] = False
elif result.rcode == 2: # SERVFAIL
data["result"] = False
else:
data["result"] = True
data["done"] = True
ctx = ub_ctx()
ctx.set_fwd(settings.IPV4_IP_RESOLVER_INTERNAL_PERMISSIVE)
if settings.INTEGRATION_TESTS:
# forward the .test zone used in integration tests
ctx.zone_add("test.", "transparent")
if settings.DEBUG_LOG_UNBOUND:
ctx.set_option("log-queries:", "yes")
ctx.set_option("verbosity:", "2")
# XXX: Remove for now; inconsistency with applying settings on celery.
# YYY: Removal caused infinite waiting on pipe to unbound. Added again.
ctx.set_async(True)
ctx.set_fwd(ip)
# Some (unknown) tests probably depend on consistent ordering in unbound responses
ctx.set_option("rrset-roundrobin:", "no")
cb_data = dict(done=False)
try:
retval, async_id = ctx.resolve_async(domain, cb_data, ub_callback, RR_TYPE_NS, RR_CLASS_IN)
while retval == 0 and not cb_data["done"]:
time.sleep(0.1)
retval = ctx.process()
except SoftTimeLimitExceeded:
log.debug("Soft time limit exceeded.")
if async_id:
ctx.cancel(async_id)
raise
log.debug("Result of fallback NS connectivity: %s", cb_data["result"])
return cb_data["result"]

Note the repeated setting of the forward DNS server (ctx.set_fwd).

ub_ctx_set_fwd
Set machine to forward DNS queries to, the caching resolver to use. IP4 or IP6 address. Forwards all DNS requests to that machine, which is expected to run a recursive resolver. If the proxy is not DNSSEC capable, validation may fail. Can be called several times, in that case the addresses are used as backup servers. At this time it is only possible to set configuration before the first resolve is done.

So ctx.set_fwd(settings.IPV4_IP_RESOLVER_INTERNAL_PERMISSIVE) is wrong here, this was introduced in the containerization to docker.

Here is a sample probe on a network without IPv6, while still resulting in 'Result of fallback NS connectivity: True':

$ make exec app "cmd=./manage.py probe --probe=ipv6_ns --domain=cloudflare.com" env=develop
docker compose  --project-name=internetnl-develop exec --user root app ./manage.py probe --probe=ipv6_ns --domain=cloudflare.com
Batch enabled.
2024-12-13 20:28:33	DEBUG    - Running interface startup checks.
2024-12-13 20:28:33	DEBUG    - Loading autoconf into redis cache.
2024-12-13 20:28:34	DEBUG    - Performing batch startup checks.
ENABLE_BATCH is set for this server but the database is lacking the required indexes. Consider running `manage.py api_create_db_indexes`.
2024-12-13 20:28:34,591	INFO     - probe.py            :90   -            run_probe() - Performing ipv6_ns on cloudflare.com.
2024-12-13 20:28:34	DEBUG    - Attempting resolving of qname: cloudflare.com
2024-12-13 20:28:37	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149a5e0>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:37	DEBUG    - rrset: <map object at 0x7f705149a130>
2024-12-13 20:28:37	DEBUG    - next_label: cloudflare.com
2024-12-13 20:28:37	DEBUG    - Getting domain result of ns4.cloudflare.com.
2024-12-13 20:28:37	DEBUG    - Attempting resolving of qname: ns4.cloudflare.com.
2024-12-13 20:28:37	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149a280>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:37	DEBUG    - V6 resolve: ['2400:cb00:2049:1::a29f:121', '2400:cb00:2049:1::a29f:837']
2024-12-13 20:28:37	DEBUG    - Testing connectivity on ['2400:cb00:2049:1::a29f:121', '2400:cb00:2049:1::a29f:837'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:37	DEBUG    - Creating socket
2024-12-13 20:28:37	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:37	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:121 on port 53
2024-12-13 20:28:38	DEBUG    - Closing socket
2024-12-13 20:28:38	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:40	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:40	DEBUG    - Creating socket
2024-12-13 20:28:40	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:40	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:837 on port 53
2024-12-13 20:28:41	DEBUG    - Closing socket
2024-12-13 20:28:41	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:41	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:41	DEBUG    - Conclusion on ['2400:cb00:2049:1::a29f:121', '2400:cb00:2049:1::a29f:837']:[53]: good: {'2400:cb00:2049:1::a29f:837', '2400:cb00:2049:1::a29f:121'}, bad: set(), ports: {53}
2024-12-13 20:28:41	DEBUG    - Attempting resolving of qname: ns4.cloudflare.com.
2024-12-13 20:28:41	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149a3d0>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:41	DEBUG    - V4 resolve: ['162.159.1.33', '162.159.8.55']
2024-12-13 20:28:41	DEBUG    - Testing connectivity on ['162.159.1.33', '162.159.8.55'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:41	DEBUG    - Creating socket
2024-12-13 20:28:41	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:41	DEBUG    - Connecting to 162.159.1.33 on port 53
2024-12-13 20:28:41	DEBUG    - Adding IP to good list
2024-12-13 20:28:41	DEBUG    - Closing socket
2024-12-13 20:28:41	DEBUG    - Creating socket
2024-12-13 20:28:41	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:41	DEBUG    - Connecting to 162.159.8.55 on port 53
2024-12-13 20:28:41	DEBUG    - Adding IP to good list
2024-12-13 20:28:41	DEBUG    - Closing socket
2024-12-13 20:28:41	DEBUG    - Conclusion on ['162.159.1.33', '162.159.8.55']:[53]: good: {'162.159.8.55', '162.159.1.33'}, bad: set(), ports: {53}
2024-12-13 20:28:41	DEBUG    - Retrieved domain results; {'domain': 'ns4.cloudflare.com.', 'v4_good': ['162.159.8.55', '162.159.1.33'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:837', '2400:cb00:2049:1::a29f:121'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}
2024-12-13 20:28:41	DEBUG    - Getting domain result of ns5.cloudflare.com.
2024-12-13 20:28:41	DEBUG    - Attempting resolving of qname: ns5.cloudflare.com.
2024-12-13 20:28:41	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149a370>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:41	DEBUG    - V6 resolve: ['2400:cb00:2049:1::a29f:209', '2400:cb00:2049:1::a29f:937']
2024-12-13 20:28:41	DEBUG    - Testing connectivity on ['2400:cb00:2049:1::a29f:209', '2400:cb00:2049:1::a29f:937'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:41	DEBUG    - Creating socket
2024-12-13 20:28:41	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:41	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:209 on port 53
2024-12-13 20:28:42	DEBUG    - Closing socket
2024-12-13 20:28:42	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:42	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:42	DEBUG    - Creating socket
2024-12-13 20:28:42	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:42	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:937 on port 53
2024-12-13 20:28:43	DEBUG    - Closing socket
2024-12-13 20:28:43	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:44	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:44	DEBUG    - Conclusion on ['2400:cb00:2049:1::a29f:209', '2400:cb00:2049:1::a29f:937']:[53]: good: {'2400:cb00:2049:1::a29f:209', '2400:cb00:2049:1::a29f:937'}, bad: set(), ports: {53}
2024-12-13 20:28:44	DEBUG    - Attempting resolving of qname: ns5.cloudflare.com.
2024-12-13 20:28:44	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149a910>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:44	DEBUG    - V4 resolve: ['162.159.9.55', '162.159.2.9']
2024-12-13 20:28:44	DEBUG    - Testing connectivity on ['162.159.9.55', '162.159.2.9'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:44	DEBUG    - Creating socket
2024-12-13 20:28:44	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:44	DEBUG    - Connecting to 162.159.9.55 on port 53
2024-12-13 20:28:44	DEBUG    - Adding IP to good list
2024-12-13 20:28:44	DEBUG    - Closing socket
2024-12-13 20:28:44	DEBUG    - Creating socket
2024-12-13 20:28:44	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:44	DEBUG    - Connecting to 162.159.2.9 on port 53
2024-12-13 20:28:44	DEBUG    - Adding IP to good list
2024-12-13 20:28:44	DEBUG    - Closing socket
2024-12-13 20:28:44	DEBUG    - Conclusion on ['162.159.9.55', '162.159.2.9']:[53]: good: {'162.159.2.9', '162.159.9.55'}, bad: set(), ports: {53}
2024-12-13 20:28:44	DEBUG    - Retrieved domain results; {'domain': 'ns5.cloudflare.com.', 'v4_good': ['162.159.2.9', '162.159.9.55'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:209', '2400:cb00:2049:1::a29f:937'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}
2024-12-13 20:28:44	DEBUG    - Getting domain result of ns6.cloudflare.com.
2024-12-13 20:28:44	DEBUG    - Attempting resolving of qname: ns6.cloudflare.com.
2024-12-13 20:28:44	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149a8e0>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:44	DEBUG    - V6 resolve: ['2400:cb00:2049:1::a29f:30b', '2400:cb00:2049:1::a29f:506']
2024-12-13 20:28:44	DEBUG    - Testing connectivity on ['2400:cb00:2049:1::a29f:30b', '2400:cb00:2049:1::a29f:506'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:44	DEBUG    - Creating socket
2024-12-13 20:28:44	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:44	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:30b on port 53
2024-12-13 20:28:45	DEBUG    - Closing socket
2024-12-13 20:28:45	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:46	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:46	DEBUG    - Creating socket
2024-12-13 20:28:46	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:46	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:506 on port 53
2024-12-13 20:28:47	DEBUG    - Closing socket
2024-12-13 20:28:47	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:49	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:49	DEBUG    - Conclusion on ['2400:cb00:2049:1::a29f:30b', '2400:cb00:2049:1::a29f:506']:[53]: good: {'2400:cb00:2049:1::a29f:30b', '2400:cb00:2049:1::a29f:506'}, bad: set(), ports: {53}
2024-12-13 20:28:49	DEBUG    - Attempting resolving of qname: ns6.cloudflare.com.
2024-12-13 20:28:49	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149ab50>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:49	DEBUG    - V4 resolve: ['162.159.3.11', '162.159.5.6']
2024-12-13 20:28:49	DEBUG    - Testing connectivity on ['162.159.3.11', '162.159.5.6'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:49	DEBUG    - Creating socket
2024-12-13 20:28:49	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:49	DEBUG    - Connecting to 162.159.3.11 on port 53
2024-12-13 20:28:49	DEBUG    - Adding IP to good list
2024-12-13 20:28:49	DEBUG    - Closing socket
2024-12-13 20:28:49	DEBUG    - Creating socket
2024-12-13 20:28:49	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:49	DEBUG    - Connecting to 162.159.5.6 on port 53
2024-12-13 20:28:49	DEBUG    - Adding IP to good list
2024-12-13 20:28:49	DEBUG    - Closing socket
2024-12-13 20:28:49	DEBUG    - Conclusion on ['162.159.3.11', '162.159.5.6']:[53]: good: {'162.159.5.6', '162.159.3.11'}, bad: set(), ports: {53}
2024-12-13 20:28:49	DEBUG    - Retrieved domain results; {'domain': 'ns6.cloudflare.com.', 'v4_good': ['162.159.5.6', '162.159.3.11'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:30b', '2400:cb00:2049:1::a29f:506'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}
2024-12-13 20:28:49	DEBUG    - Getting domain result of ns7.cloudflare.com.
2024-12-13 20:28:49	DEBUG    - Attempting resolving of qname: ns7.cloudflare.com.
2024-12-13 20:28:49	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149ab20>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:49	DEBUG    - V6 resolve: ['2400:cb00:2049:1::a29f:408', '2400:cb00:2049:1::a29f:606']
2024-12-13 20:28:49	DEBUG    - Testing connectivity on ['2400:cb00:2049:1::a29f:408', '2400:cb00:2049:1::a29f:606'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:49	DEBUG    - Creating socket
2024-12-13 20:28:49	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:49	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:408 on port 53
2024-12-13 20:28:50	DEBUG    - Closing socket
2024-12-13 20:28:50	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:52	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:52	DEBUG    - Creating socket
2024-12-13 20:28:52	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:52	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:606 on port 53
2024-12-13 20:28:53	DEBUG    - Closing socket
2024-12-13 20:28:53	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:54	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:54	DEBUG    - Conclusion on ['2400:cb00:2049:1::a29f:408', '2400:cb00:2049:1::a29f:606']:[53]: good: {'2400:cb00:2049:1::a29f:606', '2400:cb00:2049:1::a29f:408'}, bad: set(), ports: {53}
2024-12-13 20:28:54	DEBUG    - Attempting resolving of qname: ns7.cloudflare.com.
2024-12-13 20:28:54	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149ad90>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:54	DEBUG    - V4 resolve: ['162.159.6.6', '162.159.4.8']
2024-12-13 20:28:54	DEBUG    - Testing connectivity on ['162.159.6.6', '162.159.4.8'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:54	DEBUG    - Creating socket
2024-12-13 20:28:54	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:54	DEBUG    - Connecting to 162.159.6.6 on port 53
2024-12-13 20:28:54	DEBUG    - Adding IP to good list
2024-12-13 20:28:54	DEBUG    - Closing socket
2024-12-13 20:28:54	DEBUG    - Creating socket
2024-12-13 20:28:54	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:54	DEBUG    - Connecting to 162.159.4.8 on port 53
2024-12-13 20:28:54	DEBUG    - Adding IP to good list
2024-12-13 20:28:54	DEBUG    - Closing socket
2024-12-13 20:28:54	DEBUG    - Conclusion on ['162.159.6.6', '162.159.4.8']:[53]: good: {'162.159.6.6', '162.159.4.8'}, bad: set(), ports: {53}
2024-12-13 20:28:54	DEBUG    - Retrieved domain results; {'domain': 'ns7.cloudflare.com.', 'v4_good': ['162.159.6.6', '162.159.4.8'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:606', '2400:cb00:2049:1::a29f:408'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}
2024-12-13 20:28:54	DEBUG    - Getting domain result of ns3.cloudflare.com.
2024-12-13 20:28:54	DEBUG    - Attempting resolving of qname: ns3.cloudflare.com.
2024-12-13 20:28:54	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149ad60>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:54	DEBUG    - V6 resolve: ['2400:cb00:2049:1::a29f:21', '2400:cb00:2049:1::a29f:7e2']
2024-12-13 20:28:54	DEBUG    - Testing connectivity on ['2400:cb00:2049:1::a29f:21', '2400:cb00:2049:1::a29f:7e2'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:54	DEBUG    - Creating socket
2024-12-13 20:28:54	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:54	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:21 on port 53
2024-12-13 20:28:55	DEBUG    - Closing socket
2024-12-13 20:28:55	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:55	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:55	DEBUG    - Creating socket
2024-12-13 20:28:55	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:55	DEBUG    - Connecting to 2400:cb00:2049:1::a29f:7e2 on port 53
2024-12-13 20:28:56	DEBUG    - Closing socket
2024-12-13 20:28:56	DEBUG    - Testing fallback NS connectivity
2024-12-13 20:28:56	DEBUG    - Result of fallback NS connectivity: True
2024-12-13 20:28:56	DEBUG    - Conclusion on ['2400:cb00:2049:1::a29f:21', '2400:cb00:2049:1::a29f:7e2']:[53]: good: {'2400:cb00:2049:1::a29f:21', '2400:cb00:2049:1::a29f:7e2'}, bad: set(), ports: {53}
2024-12-13 20:28:56	DEBUG    - Attempting resolving of qname: ns3.cloudflare.com.
2024-12-13 20:28:56	DEBUG    - Got data: {'done': True, 'secure': 1, 'bogus': 0, 'nxdomain': 0, 'data': <unbound.ub_data object at 0x7f705149afa0>, 'rcode': 0}, retval: 0.
2024-12-13 20:28:56	DEBUG    - V4 resolve: ['162.159.7.226', '162.159.0.33']
2024-12-13 20:28:56	DEBUG    - Testing connectivity on ['162.159.7.226', '162.159.0.33'], on port [53], is_ns: True, test_domain: cloudflare.com
2024-12-13 20:28:56	DEBUG    - Creating socket
2024-12-13 20:28:56	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:56	DEBUG    - Connecting to 162.159.7.226 on port 53
2024-12-13 20:28:56	DEBUG    - Adding IP to good list
2024-12-13 20:28:56	DEBUG    - Closing socket
2024-12-13 20:28:56	DEBUG    - Creating socket
2024-12-13 20:28:56	DEBUG    - Setting timeout to 4 seconds
2024-12-13 20:28:56	DEBUG    - Connecting to 162.159.0.33 on port 53
2024-12-13 20:28:56	DEBUG    - Adding IP to good list
2024-12-13 20:28:56	DEBUG    - Closing socket
2024-12-13 20:28:56	DEBUG    - Conclusion on ['162.159.7.226', '162.159.0.33']:[53]: good: {'162.159.0.33', '162.159.7.226'}, bad: set(), ports: {53}
2024-12-13 20:28:56	DEBUG    - Retrieved domain results; {'domain': 'ns3.cloudflare.com.', 'v4_good': ['162.159.0.33', '162.159.7.226'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:21', '2400:cb00:2049:1::a29f:7e2'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}
2024-12-13 20:28:56	DEBUG    - Done with do_ns: returning: {'domains': [{'domain': 'ns4.cloudflare.com.', 'v4_good': ['162.159.8.55', '162.159.1.33'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:837', '2400:cb00:2049:1::a29f:121'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns5.cloudflare.com.', 'v4_good': ['162.159.2.9', '162.159.9.55'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:209', '2400:cb00:2049:1::a29f:937'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns6.cloudflare.com.', 'v4_good': ['162.159.5.6', '162.159.3.11'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:30b', '2400:cb00:2049:1::a29f:506'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns7.cloudflare.com.', 'v4_good': ['162.159.6.6', '162.159.4.8'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:606', '2400:cb00:2049:1::a29f:408'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns3.cloudflare.com.', 'v4_good': ['162.159.0.33', '162.159.7.226'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:21', '2400:cb00:2049:1::a29f:7e2'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}], 'score': 10}
2024-12-13 20:28:56,671	INFO     - probe.py            :113  -            run_probe() - Retrieved return value: ('ns', {'domains': [{'domain': 'ns4.cloudflare.com.', 'v4_good': ['162.159.8.55', '162.159.1.33'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:837', '2400:cb00:2049:1::a29f:121'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns5.cloudflare.com.', 'v4_good': ['162.159.2.9', '162.159.9.55'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:209', '2400:cb00:2049:1::a29f:937'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns6.cloudflare.com.', 'v4_good': ['162.159.5.6', '162.159.3.11'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:30b', '2400:cb00:2049:1::a29f:506'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns7.cloudflare.com.', 'v4_good': ['162.159.6.6', '162.159.4.8'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:606', '2400:cb00:2049:1::a29f:408'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}, {'domain': 'ns3.cloudflare.com.', 'v4_good': ['162.159.0.33', '162.159.7.226'], 'v4_bad': [], 'v6_good': ['2400:cb00:2049:1::a29f:21', '2400:cb00:2049:1::a29f:7e2'], 'v6_bad': [], 'v6_conn_diff': [], 'score': 10}], 'score': 10})
2024-12-13 20:28:56,672	INFO     - probe.py            :114  -            run_probe() - Done
@bwbroersma bwbroersma added the bug Unexpected or unwanted behaviour of current implementations label Dec 13, 2024
@bwbroersma bwbroersma added this to the backlog milestone Dec 13, 2024
@bwbroersma bwbroersma self-assigned this Dec 13, 2024
bwbroersma added a commit to bwbroersma/Internet.nl that referenced this issue Dec 13, 2024
@bwbroersma
Fix IPv6 test_ns_connectivity
e88a390 
Fixes internetstandards#1597
@bwbroersma bwbroersma mentioned this issue Dec 13, 2024
Merged
@bwbroersma bwbroersma added the backport Fix to be backported label Dec 17, 2024
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Works on dev, see the same domain test report, now with the correct ❌.

mxsasha pushed a commit that referenced this issue Jan 7, 2025
@bwbroersma @mxsasha
[1.8.x] Fix IPv6 test_ns_connectivity
0dcc6ba 
Fixes #1597

(cherry picked from commit 2b50952)
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Fix IPv6 test_ns_connectivity bwbroersma/Internet.nl
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