SOA
Start of Authority
Primary NS
Mailbox
hostmaster.canonical.com
Serial
2017022631
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
3600
MX
Mail Exchangers
TXT
TXT Records
forward-email-site-verification=jGtll1UK8H
v=spf1 include:_spf.canonical.com include:spf.forwardemail.net -all
AAAA