NSToolbox

DNS Lookup Tool

Query DNS records for any domain name and analyze DNS configuration

Quick examples:

DNS Record Types

A

A Record

Maps domain to IPv4 address

AAAA

AAAA Record

Maps domain to IPv6 address

CNAME

CNAME Record

Canonical name alias

MX

MX Record

Mail exchange server

TXT

TXT Record

Text information

NS

NS Record

Name server