SOA
Start of Authority
Primary NS
Mailbox
hostmaster.server3.veilig-online.com
Serial
2020051100
Refresh
14400
Retry
3600
Expire
1209600
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 include:mxo.ispnoc.eu a mx ip6:2a00:1ca8:e:3c4::7c4a ip4:46.249.53.27 ~all
A