Dig is a DNS lookup utility provided by ISC. This page is a simple web interface for dig.
$ dig autodiscover.outlook.com
; <<>> DiG 9.16.48-Ubuntu <<>> autodiscover.outlook.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 10390
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 65494
;; QUESTION SECTION:
;autodiscover.outlook.com. IN A
;; ANSWER SECTION:
autodiscover.outlook.com. 60 IN CNAME atod-g2.tm-4.office.com.
atod-g2.tm-4.office.com. 59 IN CNAME autod.ms-acdc-autod.office.com.
autod.ms-acdc-autod.office.com. 9 IN A 40.99.67.200
autod.ms-acdc-autod.office.com. 9 IN A 40.100.50.120
autod.ms-acdc-autod.office.com. 9 IN A 40.100.49.216
autod.ms-acdc-autod.office.com. 9 IN A 40.99.67.216
;; Query time: 44 msec
;; SERVER: 127.0.0.53#53(127.0.0.53)
;; WHEN: Tue Apr 23 12:29:00 UTC 2024
;; MSG SIZE rcvd: 185