spf.usa.net NS records

NS Authoritative DNS server
6m
dnsext01.usa.net
dnsext02.usa.net

Question and response

Question

dig spf.usa.net. NS

Answer

spf.usa.net. 360 NS dnsext01.usa.net. spf.usa.net. 360 NS dnsext02.usa.net.

Authority

The response has no authority records.

Additional

dnsext01.usa.net. 900 A 165.212.55.54 dnsext02.usa.net. 900 A 165.212.55.55 . 0 OPT ; payload 512, xrcode 0, version 0, flags 0