SOA
Start of Authority
Primary NS
Mailbox
admin.demo.p111.lon.krystal.io
Serial
2026102501
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
TXT
TXT Records
v=spf1 ip4:185.194.90.3 ip4:77.72.2.111 ip4:77.72.0.110 a mx include:relay.k.io ~all
A