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

A records

MCI Communications Services, Inc. d/b/a Verizon Business
192.16.31.23   441

AAAA records

NO RECORDS

SOA records

ttl: 1,800
email: sysmgr@verizon.com362

TXT

v=spf1 ip4:140.108.1.0/24 ip4:140.108.26.0/24 ip4: Show more

CNAME records pointed here2