Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig www.csts.cz
; <<>> DiG 9.16.1-Ubuntu <<>> www.csts.cz
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 53465
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;www.csts.cz. IN A
;; ANSWER SECTION:
www.csts.cz. 1800 IN A 193.105.158.110
;; Query time: 396 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Wed Mar 29 12:18:22 UTC 2023
;; MSG SIZE rcvd: 56