A records

Amazon.com, Inc.
54.230.193.252   7,440
54.230.193.235   4,799
54.230.193.213   5,390
54.230.193.56   8,145

AAAA records

NO RECORDS

MX records

Reflected Networks, Inc.
10 smtp-scan01.mx.reflected.net3,003

SOA records

ttl: 7,200
email: awsdns-hostmaster@amazon.com2,159,802

TXT

v=spf1 include:mail.zendesk.com ?all

CNAME records pointed here1