DNS configuration checkers allow you to verify your domain name servers (DNS) are setup correctly. These tests provide in depth analysis of your setup and offer suggestions on any issues found. NOTE: These are 3rd party sites and are not a part of DNS Texas, they are provided for your convenience.
DNS Check – http://dnscheck.iis.se
IntoDNS – http://www.intodns.com
Pingdom – http://dnscheck.pingdom.com