ipv4only.arpa NS records

NS Authoritative DNS server
1d
a.iana-servers.net
b.iana-servers.net
c.iana-servers.net
ns.icann.org

Question and response

Question

dig ipv4only.arpa. NS

Answer

ipv4only.arpa. 86400 NS a.iana-servers.net. ipv4only.arpa. 86400 NS b.iana-servers.net. ipv4only.arpa. 86400 NS c.iana-servers.net. ipv4only.arpa. 86400 NS ns.icann.org.

Authority

The response has no authority records.

Additional

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