Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig canvas.instructure.com
; <<>> DiG 9.16.48-Ubuntu <<>> canvas.instructure.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 18756
;; flags: qr rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;canvas.instructure.com. IN A
;; ANSWER SECTION:
canvas.instructure.com. 60 IN CNAME cluster7.instructure.com.
cluster7.instructure.com. 899 IN CNAME canvas-iad-prod-c7-70074814.us-east-1.elb.amazonaws.com.
canvas-iad-prod-c7-70074814.us-east-1.elb.amazonaws.com. 59 IN A 100.26.89.196
canvas-iad-prod-c7-70074814.us-east-1.elb.amazonaws.com. 59 IN A 35.168.83.255
canvas-iad-prod-c7-70074814.us-east-1.elb.amazonaws.com. 59 IN A 18.215.220.252
;; Query time: 116 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Apr 23 22:45:01 UTC 2024
;; MSG SIZE rcvd: 188