SOA
Start of Authority
Primary NS
Mailbox
hostmaster.dns4isp.net
Serial
2026073001
Refresh
10800
Retry
3600
Expire
2419200
Minimum TTL
3600
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx a ip4:91.103.163.215/32 -all
v=spf1 a mx ip4:91.103.163.192/27 ip4:91.103.161.32/28 ip6:2a00:1790:6:0:0:0:0:0/64 -all
A