SOA
Start of Authority
Primary NS
Mailbox
hostmaster.polarsystems.com
Serial
1
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
3600
NS
Nameservers
TXT
TXT Records
v=spf1 mx a ip4:161.58.134.102 ip4:204.202.242.153 ip4:198.247.84.94 ip4:198.247.84.34 ip4:204.202.242.176 include:g19.spf.mxservers.net ~all
A