Domain > dns.concentric.com

More information on this domain is in AlienVault OTX

Whois

Property	Value
Email	domainreg@xo.com
NameServer	: ns4.concentric.com
Created	: 1997-08-15T06:00:0
Changed	2012-10-01 00:00:00
Expires	2015-08-14 00:00:00
Registrar	MELBOURNE IT, LTD. D

DNS Resolutions

Date	IP Address
2021-07-03	52.73.166.54 (ClassC)
2025-11-20	3.175.34.2 (ClassC)

HTTP/1.1 200 OKContent-Type: text/htmlContent-Length: 6614Connection: keep-aliveDate: Thu, 20 Nov 2025 22:36:46 GMTLast-Modified: Thu, 20 Nov 2025 16:18:19 GMTx-amz-server-side-encryption: AES256Accept-Ranges: bytesServer: AmazonS3Set-Cookie: X-Sourcelive; Path/Strict-Transport-Security: max-age63072000; includeSubdomains; preloadContent-Security-Policy: default-src https:; img-src self data: https:; script-src unsafe-inline https:;style-src unsafe-inline https:; object-src self https:; font-src https: data:; worker-src blob:; connect-src https:;X-Frame-Options: SAMEORIGINX-XSS-Protection: 1; modeblockETag: 9e7d73ed48db3ad6f746c28a5090ff03X-Cache: Miss from cloudfrontVia: 1.1 14d8985a9dc0ead7a1065737baef3fe0.cloudfront.net (CloudFront)X-Amz-Cf-Pop: HIO52-P3X-Amz-Cf-Id: qd71SbfbxwdNCtlc6eSRZzR_ZMavzDaZEnn2nuwUEV9mPjEOOU3ETw

!--  ~ Copyright (c) Vercara, LLC. All rights reserved.  -->!doctype html>html langen>head>  meta charsetutf-8>  meta http-equivCache-Control contentno-cache, no-store, must-revalidate>  meta http-equivPragma contentno-cache>  meta http-equivExpires content0>  title>UltraDNS Management Portal/title>  base href/>  meta nameviewport contentwidthdevice-width, initial-scale1>  link relicon typeimage/x-icon hreffavicon.ico>  link relstylesheet hrefhttps://maxcdn.bootstrapcdn.com/font-awesome/4.7.0/css/font-awesome.min.css>  !--script defer srchttps://use.fontawesome.com/releases/v5.0.10/js/all.js integritysha384-slN8GvtUJGnv6ca26v8EzVaR9DC58QEwsIk9q1QXdCU8Yu8ck/tL/5szYlBbqmS+ crossoriginanonymous>/script>-->  link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/jquery.perfect-scrollbar/0.6.16/css/perfect-scrollbar.min.css>  link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/bootstrap-select/1.12.2/css/bootstrap-select.min.css>  link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/bootstrap-formhelpers/2.3.0/css/bootstrap-formhelpers.min.css>  link relstylesheet hrefhttps://cdn.datatables.net/1.10.13/css/dataTables.bootstrap.min.css>  link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/select2/4.0.3/css/select2.min.css>  link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/switchery/0.8.2/switchery.min.css>  link relstylesheet hrefhttps://cdn.jsdelivr.net/bootstrap.daterangepicker/2/daterangepicker.css>  link relstylesheet hrefhttps://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/toastr.min.css>  link relstylesheet href/assets/stylesheets/select2.scss>  link relstylesheet href/assets/stylesheets/daterangepicker.scss>  link relapple-touch-icon sizes57x57 href/assets/images/favicons/apple-icon-57x57.png>  link relapple-touch-icon sizes60x60 href/assets/images/favicons/apple-icon-60x60.png>  link relapple-touch-icon sizes72x72 href/assets/images/favicons/apple-icon-72x72.png>  link relapple-touch-icon sizes76x76 href/assets/images/favicons/apple-icon-76x76.png>  link relapple-touch-icon sizes114x114 href/assets/images/favicons/apple-icon-114x114.png>  link relapple-touch-icon sizes120x120 href/assets/images/favicons/apple-icon-120x120.png>  link relapple-touch-icon sizes144x144 href/assets/images/favicons/apple-icon-144x144.png>  link relapple-touch-icon sizes152x152 href/assets/images/favicons/apple-icon-152x152.png>  link relapple-touch-icon sizes180x180 href/assets/images/favicons/apple-icon-180x180.png>  link relicon typeimage/png sizes192x192 href/assets/images/favicons/android-icon-192x192.png>  link relicon typeimage/png sizes32x32 href/assets/images/favicons/favicon-32x32.png>  link relicon typeimage/png sizes96x96 href/assets/images/favicons/favicon-96x96.png>  link relicon typeimage/png sizes16x16 href/assets/images/favicons/favicon-16x16.png>  script srchttps://code.jquery.com/jquery-3.6.4.min.js>/script>  script src/assets/javascript/jquery.rss-3.3.0.js>/script>  script src/assets/javascript/mobile-detect.min.js>/script>  !-- link href//fonts.googleapis.com/css?familyOpen+Sans:400italic,600italic,700italic,400,600,700 relstylesheet typetext/css> -->  link idlink_stylesheet_fonts relpreload href/assets/stylesheets/fonts/fonts.css asstyle crossorigin onloadthis.onloadnull;this.relstylesheet/>  !--  script src/assets/javascript/sidebar.js>/script>    script src/assets/javascript/left-sidebar.min.js>/script>-->  !--script srchttps://unpkg.com/imagesloaded@4/imagesloaded.pkgd.min.js>/script>-->  script srchttps://cdnjs.cloudflare.com/ajax/libs/toastr.js/latest/js/toastr.min.js>/script>  !--script src//maxcdn.bootstrapcdn.com/bootstrap/3.3.7/js/bootstrap.min.js integritysha384-Tc5IQib027qvyjSMfHjOMaLkfuWVxZxUPnCJA7l2mCWNIpG9mGCD8wGNIcPD7Txa crossoriginanonymous>/script>-->  script>      // transfers sessionStorage from one tab to another      // solution from https://stackoverflow.com/questions/20325763/browser-sessionstorage-share-between-tabs      var sessionStorage_transfer  function(event) {          if(!event) { event  window.event; } // ie suq          if(!event.newValue) return;          // do nothing if no value to work with          if (event.key  getSessionStorage) {              // another tab asked for the sessionStorage -> send it              localStorage.setItem(sessionStorage, JSON.stringify(sessionStorage));              // the other tab should now have it, so were done with it.              localStorage.removeItem(sessionStorage); // - could do short timeout as well.          } else if (event.key  sessionStorage && !sessionStorage.length) {              // another tab sent data - get it              var data  JSON.parse(event.newValue);              for (var key in data) {                  sessionStorage.setItem(key, datakey);              }          }      };      // listen for changes to localStorage      if(window.addEventListener) {          window.addEventListener(storage, sessionStorage_transfer, false);      } else {          window.attachEvent(onstorage, sessionStorage_transfer);      };      // Ask other tabs for session storage (this is ONLY to trigger event)      if (!sessionStorage.length) {          localStorage.setItem(getSessionStorage, foobar);          localStorage.removeItem(getSessionStorage, foobar);      };    function autoResize() {    $(#status_dashboard_iframe).height($(#status_dashboard_iframe).contents().height());    }  /script>  script>    var global  global || window;    var process  process || {      env: { DEBUG: undefined },      version:     };  /script>  meta namemsapplication-TileColor content#ffffff>  meta namemsapplication-TileImage content/assets/images/favicons/ms-icon-144x144.png>  meta nametheme-color content#ffffff>  link relstylesheet hrefstyles.c0917c8350e4de50.css>/head>body classsidebar idultra-body>  app-root idroot>/app-root>script srcruntime.2d3b74dc8eb75927.js typemodule>/script>script srcpolyfills.d01c6dc0c355db3b.js typemodule>/script>script srcmain.640aa2b4df3568f4.js typemodule>/script>/body>/html>

Subdomains

Date	Domain	IP
ns1.concentric.com	2025-11-06	156.154.64.25
NS2.CONCENTRIC.COM	2025-11-05	156.154.65.25
ns3.concentric.com	2025-11-10	156.154.66.25
mx1c28.concentric.com	2014-05-22	66.226.70.70
mx2c28.concentric.com	2025-08-21	66.226.70.79
mx3c28.concentric.com	2025-08-22	66.226.70.72
secure.concentric.com	2025-11-06	66.226.70.65
assets.ovmp.concentric.com	2025-01-25	68.142.66.196
dns.concentric.com	2025-11-20	3.175.34.2
mailhost.concentric.com	2014-04-25	207.155.252.164
www.concentric.com	2013-04-01	208.111.160.6

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Domain > dns.concentric.com

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