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@wjessop
Created December 14, 2018 16:01
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$ 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
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