SOA
Start of Authority
Primary NS
Mailbox
admin.demo.s99.lon.krystal.io
Serial
2026082500
Refresh
3600
Retry
1800
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 ip4:185.194.90.36 include:relay.k.io ip4:77.72.1.25 a mx ip4:92.204.218.68 include:secureserver.net ~all
A