diff --git a/README.md b/README.md
index df0741e..9c635c3 100644
--- a/README.md
+++ b/README.md
@@ -52,10 +52,10 @@ dom --available zachwill
 ✓  zachwill.me
 ```
 
-And, the `--tld` flag only shows top-level domains:
+And, the `--tld <domain_names>` flag shows domains given to it as input:
 
 ```
-dom --tld zachwill
+dom zachwill --tld .com .net .org
 
 ✗  zachwill.com
 ✓  zachwill.net
diff --git a/domainr/core.py b/domainr/core.py
index 1a78c82..a9328f1 100644
--- a/domainr/core.py
+++ b/domainr/core.py
@@ -23,8 +23,8 @@ def environment(self):
                             help="Use ASCII characters for domain availability.")
         parser.add_argument('--available', action='store_true',
                             help="Only show domain names that are currently available.")
-        parser.add_argument('--tld', action='store_true',
-                            help="Only check for top-level domains.")
+        parser.add_argument('--tld', type=str, nargs='+',
+                            help="Only check for top-level domains (provided with spaces)")
         args = parser.parse_args()
         return args
 
@@ -74,8 +74,9 @@ def parse(self, content, env):
 
     def _tld_check(self, name):
         """Make sure we're dealing with a top-level domain."""
-        if name.endswith(".com") or name.endswith(".net") or name.endswith(".org"):
-            return True
+        for domain_name in env.tld:
+            if name.endswith(domain_name):
+                return True
         return False
 
     def main(self):