Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig run.app
; <<>> DiG 9.16.48-Ubuntu <<>> run.app
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 9548
;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;run.app. IN A
;; ANSWER SECTION:
run.app. 21600 IN A 216.239.34.53
run.app. 21600 IN A 216.239.38.53
run.app. 21600 IN A 216.239.32.53
run.app. 21600 IN A 216.239.36.53
;; Query time: 76 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Thu Apr 25 08:40:00 UTC 2024
;; MSG SIZE rcvd: 100