SOA
Start of Authority
Primary NS
Mailbox
hostmaster.systemdns.com
Serial
1746737755
Refresh
10800
Retry
3600
Expire
300
Minimum TTL
60
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:_spf.hostedemail.com ip4:167.89.22.99 ip4:149.72.200.43 ip4:149.72.248.16 ~all
A