SOA
Start of Authority
Primary NS
Mailbox
administrator.dynu.com
Serial
126
Refresh
1200
Retry
300
Expire
86400
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:216.172.189.150 +include:relay.mailchannels.net +include:relay.mailchannels.net +ip4:162.253.145.83 ~all
mailconf=https://autoconfig.dynu.com/mail/config-v1.1.xml
A