SOA
Start of Authority
Primary NS
Mailbox
postmaster.introweb.nl
Serial
2023012701
Refresh
28800
Retry
7200
Expire
604800
Minimum TTL
86400
NS
Nameservers
MX
Mail Exchangers
TXT
TXT Records
v=spf1 mx a ip4:84.241.134.146/32 a:mail.tecnotion.com ip4:31.7.4.42 include:spf.protection.outlook.com include:spf.shockmedia.email include:spf.exclaimer.net include:sendgrid.net include:spf.fleurreceptie.nl -all
A