Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig 117.6.127.128 PTR
; <<>> DiG 9.16.48-Ubuntu <<>> 117.6.127.128 PTR
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 36831
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;117.6.127.128. IN PTR
;; Query time: 56 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Sun Apr 28 08:11:09 UTC 2024
;; MSG SIZE rcvd: 42