SOA
Start of Authority
Primary NS
Mailbox
administrator.dynu.com
Serial
7300
Refresh
1800
Retry
300
Expire
86400
Minimum TTL
300
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx a:spf-relay.dynu.com ~all
mailconf=https://autoconfig.dynu.com/mail/config-v1.1.xml
A
IPv4 Addresses
AAAA