List of DNS interrogation websites:
- DNSstuff Toolbox
- Network-Tools.com
- DNS Query Utility
- DIG
- DNS Lookup Tool
- DNS Check
- DomainTools
One of the most popular is DIG.
List of DNS Interrogation websites
DNSstuff Toolbox
http://www.dnsstuff.com
Network-Tools.com
Network Tools: The Trusted Free Online Network Tools Provider For 20 Years
DNS Query Utility
http://www.dnsqueries.com
DIG
http://www.kloth.net
DNS Lookup Tool
https://www.ultratools.com
DNS Check
http://dnscheck.pingdom.com
DomainTools
http://www.domaintools.com