Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig 207.218.192.0 PTR
; <<>> DiG 9.16.1-Ubuntu <<>> 207.218.192.0 PTR
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 2632
;; flags: qr rd ra ad; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 512
;; QUESTION SECTION:
;207.218.192.0. IN PTR
;; AUTHORITY SECTION:
. 86390 IN SOA a.root-servers.net. nstld.verisign-grs.com. 2021041600 1800 900 604800 86400
;; Query time: 0 msec
;; SERVER: 8.8.8.8#53(8.8.8.8)
;; WHEN: Fri Apr 16 11:41:38 UTC 2021
;; MSG SIZE rcvd: 117