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

A records

AAAA records

NO RECORDS

MX records

SOA records

ttl: 3,600
email: hostmaster@aetna.com2,705

TXT

y38-mb7-j09 v=spf1 mx include:_spf.aetna.com inclu Show more

MX records pointed here1