bitly.com NS records

NS Authoritative DNS server
1d
ns-1053.awsdns-03.org
Amazon Web Services
Route 53
ns-1689.awsdns-19.co.uk
Amazon Web Services
Route 53
ns-343.awsdns-42.com
Amazon Web Services
Route 53
ns-880.awsdns-46.net
Amazon Web Services
Route 53

Question and response

Question

dig bitly.com. NS

Answer

bitly.com. 86400 NS ns-1053.awsdns-03.org. bitly.com. 86400 NS ns-1689.awsdns-19.co.uk. bitly.com. 86400 NS ns-343.awsdns-42.com. bitly.com. 86400 NS ns-880.awsdns-46.net. bitly.com. 86400 NS ns-cloud-b1.googledomains.com. bitly.com. 86400 NS ns-cloud-b2.googledomains.com. bitly.com. 86400 NS ns-cloud-b3.googledomains.com. bitly.com. 86400 NS ns-cloud-b4.googledomains.com.

Authority

The response has no authority records.

Additional

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