Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig 87.42.5.59 PTR
; <<>> DiG 9.16.1-Ubuntu <<>> 87.42.5.59 PTR
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 62345
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;87.42.5.59. IN PTR
;; Query time: 0 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sat Sep 23 03:32:55 UTC 2023
;; MSG SIZE rcvd: 39