Check Nameservers, IP Addresses, and MX Mail Exchange Records of any Domain Name.
DNS Checker Tool - Check Domain Name System (DNS) records for any website.
DNSQuerySniffer - DNSQuerySniffer is a system sniffer utility that demonstrates the DNS inquiries sent on your framework.
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.
Audit DNS - Audit your domain name DNS settings easily and quickly.
Dnsstuff - DNSstuff offers DNS tools, Network tools, Email tools, DNS reporting and IP information gathering.
DNSsy - Provides a comprehensive test and report on the health of your DNS.