Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig mail.sochi.ru
; <<>> DiG 9.16.48-Ubuntu <<>> mail.sochi.ru
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29295
;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;mail.sochi.ru. IN A
;; ANSWER SECTION:
mail.sochi.ru. 21599 IN CNAME domain.mail.yandex.net.
domain.mail.yandex.net. 7199 IN CNAME mail.yandex.ru.
mail.yandex.ru. 299 IN A 77.88.21.37
;; Query time: 1408 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Fri Mar 29 06:16:40 UTC 2024
;; MSG SIZE rcvd: 120