Dig Domains
; <<>> DiG Dig.Domains <<>> any 21.34.239.216.in-addr.arpa
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10031
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;21.34.239.216.in-addr.arpa. IN ANY

;; ANSWER SECTION:
21.34.239.216.in-addr.arpa. 21600 IN PTR any-in-2215.1e100.net.

;; Query time: 16 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Mon Jan 17 22:23:26 UTC 2022
;; MSG SIZE  rcvd: 90