diff --git a/src/app/cdk/platform-info/browserlist.regexp.ts b/src/app/cdk/platform-info/browserlist.regexp.ts
index dd011b22dc..954be17405 100644
--- a/src/app/cdk/platform-info/browserlist.regexp.ts
+++ b/src/app/cdk/platform-info/browserlist.regexp.ts
@@ -1,3 +1,2 @@
 // tslint:disable-next-line: max-line-length
-export const BROWSERLIST_REGEXP =
-  /((CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS)[ +]+(13[_.]4|13[_.]([5-9]|\d{2,})|13[_.]7|13[_.]([8-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})[_.]\d+|14[_.]0|14[_.]([1-9]|\d{2,})|14[_.]4|14[_.]([5-9]|\d{2,})|14[_.]8|14[_.](9|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})[_.]\d+|15[_.]0|15[_.]([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})[_.]\d+|16[_.]0|16[_.]([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})[_.]\d+)(?:[_.]\d+)?)|((?:Chrome).*OPR\/(74|(7[5-9]|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Edge\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))(?:\.\d+)?)|((Chromium|Chrome)\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))\.\d+(?:\.\d+)?)|(Version\/(13\.1|13\.([2-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})\.\d+|14\.0|14\.([1-9]|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})\.\d+|15\.0|15\.([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})\.\d+|16\.0|16\.([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})\.\d+)(?:\.\d+)? Safari\/)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+(pre|[ab]\d+[a-z]*)?)/
+export const BROWSERLIST_REGEXP = /((CPU[ +]OS|iPhone[ +]OS|CPU[ +]iPhone|CPU IPhone OS)[ +]+(13[_.]4|13[_.]([5-9]|\d{2,})|13[_.]7|13[_.]([8-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})[_.]\d+|14[_.]0|14[_.]([1-9]|\d{2,})|14[_.]4|14[_.]([5-9]|\d{2,})|14[_.]8|14[_.](9|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})[_.]\d+|15[_.]0|15[_.]([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})[_.]\d+|16[_.]0|16[_.]([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})[_.]\d+)(?:[_.]\d+)?)|((?:Chrome).*OPR\/(74|(7[5-9]|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Edge\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))(?:\.\d+)?)|((Chromium|Chrome)\/(80|(8[1-9]|9\d|\d{3,})|83|(8[4-9]|9\d|\d{3,}))\.\d+(?:\.\d+)?)|(Version\/(13\.1|13\.([2-9]|\d{2,})|(1[4-9]|[2-9]\d|\d{3,})\.\d+|14\.0|14\.([1-9]|\d{2,})|(1[5-9]|[2-9]\d|\d{3,})\.\d+|15\.0|15\.([1-9]|\d{2,})|(1[6-9]|[2-9]\d|\d{3,})\.\d+|16\.0|16\.([1-9]|\d{2,})|(1[7-9]|[2-9]\d|\d{3,})\.\d+)(?:\.\d+)? Safari\/)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+\.\d+)|(Firefox\/(78|(79|[8-9]\d|\d{3,}))\.\d+(pre|[ab]\d+[a-z]*)?)/
diff --git a/src/environments/environment.int.ts b/src/environments/environment.int.ts
index 046b6add4a..4e542c6135 100644
--- a/src/environments/environment.int.ts
+++ b/src/environments/environment.int.ts
@@ -1,10 +1,12 @@
+import { getSubDomain } from "./subdomain.adapter";
+
 export const environment = {
   production: true,
   debugger: true,
   ROBOTS: 'noindex, nofollow',
   API_NEWS: 'https://info.int.orcid.org/feed/',
-  API_PUB: '//pub.int.orcid.org/v3.0',
-  API_WEB: '//int.orcid.org/',
+  API_PUB: `//pub.${getSubDomain}orcid.org/v3.0`,
+  API_WEB: `//${getSubDomain}orcid.org/`,
   BASE_URL: '',
   INFO_SITE: 'https://info.qa.orcid.org/',
   GOOGLE_ANALYTICS_TESTING_MODE: true,
diff --git a/src/environments/environment.local-with-proxy.ts b/src/environments/environment.local-with-proxy.ts
index 0947ebdd80..c735432e64 100644
--- a/src/environments/environment.local-with-proxy.ts
+++ b/src/environments/environment.local-with-proxy.ts
@@ -1,10 +1,17 @@
+function getSubDomain() {
+  const subdomain = window.location.hostname.split('.').slice(0, -2).join('.');
+  return subdomain? subdomain+'.':''
+
+}
+
+
 export const environment = {
   production: false,
   debugger: true,
   ROBOTS: 'all',
   API_NEWS: 'https://www.mocky.io/v2/5dced45b3000007300931ce8',
-  API_PUB: '/v3.0',
-  API_WEB: '/',
+  API_PUB: `//${getSubDomain}orcid.org/v3.0`,
+  API_WEB: `//${getSubDomain}orcid.org/`,
   BASE_URL: '',
   INFO_SITE: 'https://info.orcid.org/',
   GOOGLE_ANALYTICS_TESTING_MODE: true,
diff --git a/src/environments/environment.local.ts b/src/environments/environment.local.ts
index 5d737d50ed..c3cf15c096 100644
--- a/src/environments/environment.local.ts
+++ b/src/environments/environment.local.ts
@@ -1,10 +1,12 @@
+import { getSubDomain } from "./subdomain.adapter";
+
 export const environment = {
   production: false,
   debugger: true,
   ROBOTS: 'all',
   API_NEWS: 'https://www.mocky.io/v2/5dced45b3000007300931ce8',
-  API_PUB: '//pub.dev.orcid.org/v3.0',
-  API_WEB: '//dev.orcid.org/',
+  API_PUB: `//pub.${getSubDomain}orcid.org/v3.0`,
+  API_WEB: `//${getSubDomain}orcid.org/`,
   BASE_URL: '',
   INFO_SITE: 'https://info.orcid.org/',
   GOOGLE_ANALYTICS_TESTING_MODE: true,
diff --git a/src/environments/environment.local.with.sandbox.ts b/src/environments/environment.local.with.sandbox.ts
deleted file mode 100644
index ba40d203a8..0000000000
--- a/src/environments/environment.local.with.sandbox.ts
+++ /dev/null
@@ -1,45 +0,0 @@
-// TODO: Currently CORS-Anywhere does not support calls with credentials
-// to make the local environment work with Sandbox an alternative needs to be use to avoid CORS errors
-export const environment = {
-  production: false,
-  sessionDebugger: true,
-  API_NEWS: 'https://www.mocky.io/v2/5dced45b3000007300931ce8',
-  API_PUB: '//pub.localhost/v3.0',
-  API_WEB: 'https://orcid.herokuapp.com/https://sandbox.orcid.org/',
-  BASE_URL: '',
-  BLOG_NEWS: 'https://orcid.org/about/news',
-  INFO_SITE: 'http://orcidaboutdev.wpengine.com/',
-  GOOGLE_ANALYTICS_TESTING_MODE: true,
-  GOOGLE_TAG_MANAGER: 'GTM-0000000',
-  GOOGLE_RECAPTCHA: '6LeIxAcTAAAAAJcZVRqyHh71UMIEGNQ_MXjiZKhI',
-  ZENDESK: null,
-  HELP_HERO_ID: 'oYFQMrzFHA',
-  SHOW_TEST_WARNING_BANNER: true,
-  CAN_DISABLE_TEST_WARNING_BANNER: true,
-  INSTITUTIONAL_AUTOCOMPLETE_DISPLAY_AMOUNT: 20,
-  VERBOSE_SNACKBAR_ERRORS_REPORTS: true,
-  LANGUAGE_MENU_OPTIONS: {
-    ar: 'العربية',
-    cs: 'Čeština',
-    de: 'Deutsch',
-    en: 'English',
-    es: 'Español',
-    fr: 'Français',
-    it: 'Italiano',
-    ja: '日本語',
-    ko: '한국어',
-    pl: 'Polski',
-    pt: 'Português',
-    ru: 'Русский',
-    tr: 'Türkçe',
-    'zh-CN': '简体中文',
-    'zh-TW': '繁體中文',
-    xx: '** xx',
-    src: '** source',
-    lr: '** lr',
-    rl: '** rl',
-    uk: '** Ukrainian',
-    ca: '** Catalan',
-  },
-  proxyMode: false,
-}
diff --git a/src/environments/environment.production.ts b/src/environments/environment.production.ts
index 08d8c67039..3b53af8963 100644
--- a/src/environments/environment.production.ts
+++ b/src/environments/environment.production.ts
@@ -1,10 +1,12 @@
+import { getSubDomain } from "./subdomain.adapter";
+
 export const environment = {
   production: true,
   debugger: false,
   ROBOTS: 'all',
   API_NEWS: 'https://info.orcid.org/feed/',
-  API_PUB: '//pub.orcid.org/v3.0',
-  API_WEB: '//orcid.org/',
+  API_PUB: `//pub.${getSubDomain}orcid.org/v3.0`,
+  API_WEB: `//${getSubDomain}orcid.org/`,
   BASE_URL: '',
   INFO_SITE: 'https://info.orcid.org/',
   SHOW_TEST_WARNING_BANNER: false,
@@ -34,3 +36,5 @@ export const environment = {
   },
   proxyMode: false,
 }
+
+
diff --git a/src/environments/environment.qa.ts b/src/environments/environment.qa.ts
index 218e3bf92a..ec88f0e58c 100644
--- a/src/environments/environment.qa.ts
+++ b/src/environments/environment.qa.ts
@@ -1,10 +1,12 @@
+import { getSubDomain } from "./subdomain.adapter";
+
 export const environment = {
   production: true,
   debugger: true,
   ROBOTS: 'noindex, nofollow',
   API_NEWS: 'https://info.qa.orcid.org/feed/',
-  API_PUB: '//pub.qa.orcid.org/v3.0',
-  API_WEB: '//qa.orcid.org/',
+  API_PUB: `//pub.${getSubDomain}orcid.org/v3.0`,
+  API_WEB: `//${getSubDomain}orcid.org/`,
   BASE_URL: '',
   INFO_SITE: 'https://info.qa.orcid.org/',
   GOOGLE_ANALYTICS_TESTING_MODE: true,
diff --git a/src/environments/environment.sandbox.ts b/src/environments/environment.sandbox.ts
index 845bcc8ed0..459a254f6e 100644
--- a/src/environments/environment.sandbox.ts
+++ b/src/environments/environment.sandbox.ts
@@ -1,10 +1,12 @@
+import { getSubDomain } from "./subdomain.adapter";
+
 export const environment = {
   production: true,
   debugger: false,
   ROBOTS: 'noindex, nofollow',
   API_NEWS: 'https://info.qa.orcid.org/feed/',
-  API_PUB: '//pub.sandbox.orcid.org/v3.0',
-  API_WEB: '//sandbox.orcid.org/',
+  API_PUB: `//pub.${getSubDomain}orcid.org/v3.0`,
+  API_WEB: `//${getSubDomain}orcid.org/`,
   BASE_URL: '',
   INFO_SITE: 'https://info.qa.orcid.org/',
   GOOGLE_ANALYTICS_TESTING_MODE: false,
diff --git a/src/environments/subdomain.adapter.ts b/src/environments/subdomain.adapter.ts
new file mode 100644
index 0000000000..6dac065eee
--- /dev/null
+++ b/src/environments/subdomain.adapter.ts
@@ -0,0 +1,4 @@
+export function getSubDomain() {
+  const subdomain = window.location.hostname.split('.').slice(0, -2).join('.');
+  return subdomain? subdomain+'.':''
+}