SPF host—
PLAN EMAIL AUTHENTICATION
SPF and DMARC Record Generator
Create controlled SPF and DMARC starter records from the senders you explicitly authorize.
SPF + DMARC
Build records from senders you explicitly authorize.
Enter your own include domains and IP ranges. The generator avoids vendor assumptions and does not change DNS.
Start with monitoring, validate legitimate senders, then move toward enforcement.
DNS STARTER RECORDS
TXT—
DMARC host—
Publish only after inventorying every legitimate sender. SPF has a ten-DNS-lookup processing limit including nested mechanisms.
PRIVACY BY DESIGN
Know where each calculation happens.
This feature works in your browser. Inputs are not uploaded to Cihan Network.
