SOA
Start of Authority
Primary NS
Mailbox
dns.openprovider.eu
Serial
2021071904
Refresh
10800
Retry
3600
Expire
604800
Minimum TTL
3600
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx a include:spf.spamservice.nl ?all
A
IPv4 Addresses
AAAA