mailboxvalidator.com current DNS records

A records

Amazon.com, Inc.
52.70.161.170   5

AAAA records

NO RECORDS

MX records

Linode, LLC
10 mx.hexasoft.my13

SOA records

ttl: 7,200
email: awsdns-hostmaster.amazon.com2,726,557

TXT

v=spf1 ip4:45.56.79.8 ~all