Skip to content

Instantly share code, notes, and snippets.

@wjessop
Created December 14, 2018 16:01
Show Gist options
  • Star 0 You must be signed in to star a gist
  • Fork 0 You must be signed in to fork a gist
  • Save wjessop/682989a200deb38a2a1dfbb880fb5cfa to your computer and use it in GitHub Desktop.
Save wjessop/682989a200deb38a2a1dfbb880fb5cfa to your computer and use it in GitHub Desktop.
$ dig mx suffolk.com
; <<>> DiG 9.10.6 <<>> mx suffolk.com
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12479
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1452
;; QUESTION SECTION:
;suffolk.com. IN MX
;; ANSWER SECTION:
suffolk.com. 900 IN MX 20 us-smtp-inbound-2.mimecast.com.
suffolk.com. 900 IN MX 10 us-smtp-inbound-1.mimecast.com.
;; Query time: 246 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Fri Dec 14 16:00:25 GMT 2018
;; MSG SIZE rcvd: 117
============================================================
$ host us-smtp-inbound-2.mimecast.com
us-smtp-inbound-2.mimecast.com has address 207.211.30.141
us-smtp-inbound-2.mimecast.com has address 207.211.30.145
us-smtp-inbound-2.mimecast.com has address 207.211.30.181
us-smtp-inbound-2.mimecast.com has address 207.211.30.221
us-smtp-inbound-2.mimecast.com has address 207.211.30.237
us-smtp-inbound-2.mimecast.com has address 207.211.30.242
us-smtp-inbound-2.mimecast.com has address 205.139.110.102
us-smtp-inbound-2.mimecast.com has address 205.139.110.107
us-smtp-inbound-2.mimecast.com has address 205.139.110.141
us-smtp-inbound-2.mimecast.com has address 205.139.110.145
us-smtp-inbound-2.mimecast.com has address 205.139.110.177
us-smtp-inbound-2.mimecast.com has address 205.139.110.181
us-smtp-inbound-2.mimecast.com has address 205.139.110.221
us-smtp-inbound-2.mimecast.com has address 205.139.110.242
us-smtp-inbound-2.mimecast.com has address 207.211.30.102
us-smtp-inbound-2.mimecast.com has address 207.211.30.107
============================================================
$ host us-smtp-inbound-1.mimecast.com
us-smtp-inbound-1.mimecast.com has address 205.139.110.107
us-smtp-inbound-1.mimecast.com has address 205.139.110.141
us-smtp-inbound-1.mimecast.com has address 205.139.110.145
us-smtp-inbound-1.mimecast.com has address 205.139.110.177
us-smtp-inbound-1.mimecast.com has address 205.139.110.181
us-smtp-inbound-1.mimecast.com has address 205.139.110.221
us-smtp-inbound-1.mimecast.com has address 205.139.110.242
us-smtp-inbound-1.mimecast.com has address 207.211.30.102
us-smtp-inbound-1.mimecast.com has address 207.211.30.107
us-smtp-inbound-1.mimecast.com has address 207.211.30.141
us-smtp-inbound-1.mimecast.com has address 207.211.30.145
us-smtp-inbound-1.mimecast.com has address 207.211.30.181
us-smtp-inbound-1.mimecast.com has address 207.211.30.221
us-smtp-inbound-1.mimecast.com has address 207.211.30.237
us-smtp-inbound-1.mimecast.com has address 207.211.30.242
us-smtp-inbound-1.mimecast.com has address 205.139.110.102
Sign up for free to join this conversation on GitHub. Already have an account? Sign in to comment