DNS Tools

DNS Health Report

Check for any problems with your DNS hosting

DNS Lookup

Look up a DNS record (A, MX, NS, SOA, etc.)

Reverse DNS lookup

Check an IPs reverse DNS entry.

WHOIS Lookup

Lookup contact info for a domain or IP


Check connectivity/trip time to host


Trace the route/trip times to host

Email test

Check for mail delivery problems

DNS Traversal Lookup

Check DNS responses from each DNS server match

HTTP Headers

Show HTTP headers returned for a URL

DNS Lookup at host

Lookup DNS record at specific host

SSL Certificate Information

Check SSL details (dates, ciphers, hashes etc)

Email bounce check

Check bounced email (hard, soft, autoreply, repy etc)

Full NsLookup Tool

Advanced DNS query tool