SOA
Start of Authority
Primary NS
Mailbox
tech.key-systems.net
Serial
2025021800
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
28800
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 +a +mx +ip4:35.156.60.112 +include:mail.hostingww.com +ip4:103.152.248.0/24 +include:relay.mailchannels.net ~all
A