SOA
Start of Authority
Primary NS
Mailbox
administrator.dynu.com
Serial
49
Refresh
3600
Retry
900
Expire
604800
Minimum TTL
300
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:50.87.144.190 +ip4:192.254.185.202 +include:websitewelcome.com ~all
A