postmarkapp.com NS records

NS Authoritative DNS server
5m
ns-1262.awsdns-29.org
Amazon Web Services
Route 53
ns-1657.awsdns-15.co.uk
Amazon Web Services
Route 53
ns-229.awsdns-28.com
Amazon Web Services
Route 53
ns-721.awsdns-26.net
Amazon Web Services
Route 53

Question and response

Question

dig postmarkapp.com. NS

Answer

postmarkapp.com. 300 NS ns-1262.awsdns-29.org. postmarkapp.com. 300 NS ns-1657.awsdns-15.co.uk. postmarkapp.com. 300 NS ns-229.awsdns-28.com. postmarkapp.com. 300 NS ns-721.awsdns-26.net.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0