SOA
Start of Authority
Primary NS
Mailbox
info.gpc-systems.nl
Serial
2026070201
Refresh
10800
Retry
3600
Expire
1814400
Minimum TTL
7200
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 a mx include:spf.protection.outlook.com ip4:185.104.29.162 ip6:2a06:2ec0:1:0:0:0:0:163 include:filter-out.zxcs.nl ~all