Blog DNS Toolbox: How to Perform a Full DNS Enumeration and Domain Research

A records

Merck and Co., Inc.
155.91.16.2   73

AAAA records

NO RECORDS

SOA records

ttl: 3,600
email: rm-hostmaster@ems.att.com26,086

TXT

v=spf1 mx include:cmail1.com include:spf1.mailgun. Show more