SOA
Start of Authority
Primary NS
Mailbox
hostmaster.oecd.org
Serial
2022101701
Refresh
21600
Retry
3600
Expire
604800
Minimum TTL
3600
NS
Nameservers
TXT
TXT Records
v=spf1 exists:CL.%{i}.null.spf.oecd.org -all
This domain sends no email
_4vkj10m8tawa3d2oub5pg0fng7toerb
All mail claiming to be from this domain is forged
Null SPF is for tracking purposes only
A