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

A records

Amazon.com, Inc.
23.20.239.12   9,468,189

AAAA records

NO RECORDS

MX records

NO RECORDS

NS records

Amazon.com, Inc.
nsg2.namebrightdns.com4,564,092
nsg1.namebrightdns.com4,564,091

SOA records

ttl: 28,800
email: dns@namebright.com5,124,747

TXT

v=spf1 -all