appleid.com NS records

NS Authoritative DNS server
1h
a.ns.apple.com
b.ns.apple.com
c.ns.apple.com
d.ns.apple.com

Question and response

Question

dig appleid.com. NS

Answer

appleid.com. 3600 NS a.ns.apple.com. appleid.com. 3600 NS b.ns.apple.com. appleid.com. 3600 NS c.ns.apple.com. appleid.com. 3600 NS d.ns.apple.com.

Authority

The response has no authority records.

Additional

. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0