Check Nameservers, IP Addresses, and MX Mail Exchange Records of any Domain Name.
DNSInspect - DNS is a free online service to check your domainโs servers for common DNS and mail errors and produces a report with explanations how to fix them.
Whats My DNS - Instantly check your domain names current IP address and DNS record information against multiple name servers located in different parts of the world.
DNSQuerySniffer - DNSQuerySniffer is a system sniffer utility that demonstrates the DNS inquiries sent on your framework.
DNSChecker.org - Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.
Audit DNS - Audit your domain name DNS settings easily and quickly.
ViewDNS.info - Free DNS related tools including Reverse IP Lookup, DNS Propagation Checker, Chinese Firewall Test...