Dig Domains
; <<>> DiG Dig.Domains <<>> any 50.123.89.167.in-addr.arpa
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 63915
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1

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

;; ANSWER SECTION:
50.123.89.167.in-addr.arpa. 900	IN PTR o16789123x50.outbound-mail.sendgrid.net.

;; Query time: 14 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Thu Apr 18 21:30:05 UTC 2024
;; MSG SIZE  rcvd: 108