SOA
Start of Authority
Primary NS
Mailbox
admin.demo.p123.lon.krystal.io
Serial
2026083001
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
TXT
TXT Records
v=spf1 ip4:77.72.2.21 ip4:77.72.2.123 ip4:77.72.2.69 ip4:77.72.1.205 ip4:77.72.1.202 +a +mx +ip4:77.72.2.66 include:relay.k.io ~all
A