Tagged “how-to”
13 articles
How to add DMARC, SPF and DKIM records on Azure DNS
An Azure DNS-specific walkthrough of publishing TXT and CNAME records for DMARC, SPF and DKIM, covering record sets, the @ apex, TXT chunking, the CLI add-record trap, Alias records and why delegation must be set at the registrar.
Read more
How to add DMARC, SPF and DKIM records on Cloudflare
A precise, Cloudflare-specific walkthrough of publishing TXT and CNAME records for DMARC, SPF and DKIM in the Cloudflare DNS editor, with the real gotchas: root versus host name, the orange-cloud proxy, automatic TXT chunking, CNAME flattening at the apex, TTL on Auto, and Email Routing conflicts.
Read more
How to add DMARC, SPF and DKIM records on DigitalOcean
A DigitalOcean-specific walkthrough for publishing DMARC, SPF and DKIM as TXT and CNAME records in the DigitalOcean DNS editor, covering the root-vs-host hostname convention, the no-auto-chunking DKIM trap, apex CNAME rules and TTL.
Read more
How to add DMARC, SPF and DKIM records on Gandi
A precise, Gandi-specific walkthrough for publishing DMARC, SPF and DKIM in the Gandi LiveDNS editor, covering the root vs host name convention, TXT quoting and chunking, CNAME trailing dots and TTL.
Read more
How to add DMARC, SPF and DKIM records on GoDaddy
A precise, GoDaddy-specific walkthrough of adding TXT and CNAME records for DMARC, SPF and DKIM in the GoDaddy DNS editor, covering root versus host names, TXT chunking, CNAME rules and TTL.
Read more
How to add DMARC, SPF and DKIM records on Google Cloud DNS
A precise, Google Cloud DNS-specific walkthrough for publishing TXT and CNAME records for DMARC, SPF and DKIM, including the gotchas that silently break authentication: public versus private managed zones, console versus gcloud TXT quoting, trailing dots on CNAME targets, 255-byte chunking and a TTL strategy for a safe staged rollout to p=reject.
Read more
How to add DMARC, SPF and DKIM records on IONOS
A precise, IONOS-specific walkthrough of adding TXT and CNAME records for DMARC, SPF and DKIM in the IONOS DNS editor, covering the root-versus-host gotcha, TXT chunking, CNAME flattening, TTL and a safe sequence to p=reject.
Read more
How to add DMARC, SPF and DKIM records on Namecheap
A precise, Namecheap-specific walkthrough for adding DMARC, SPF and DKIM records in the Advanced DNS editor, covering the host-field gotchas, TXT chunking, CNAME targets, TTL and the safe path from p=none to p=reject.
Read more
How to add DMARC, SPF and DKIM records on OVH
A precise, OVH-specific walkthrough for adding SPF, DKIM and DMARC records in the OVH DNS zone editor, covering the apex naming rule, TXT chunking for long DKIM keys, CNAME trailing dots and TTL behaviour.
Read more
How to add DMARC, SPF and DKIM records on AWS Route 53
A precise, Route 53-specific walkthrough for publishing SPF, DKIM and DMARC: empty Record name versus host names, TXT quoting and 255-character chunking, why DKIM CNAMEs must never become Alias records, and TTL strategy for a safe staged path to p=reject.
Read more
How to add DMARC, SPF and DKIM records on Squarespace
A precise, Squarespace-specific walkthrough of adding TXT and CNAME records for DMARC, SPF and DKIM in the Squarespace DNS editor, including the gotchas that actually break setups: the doubled-domain Host field, TXT chunking, CNAME-at-apex, SPF flattening and TTL.
Read more
How to add DMARC, SPF and DKIM records on Wix
A precise, Wix-specific walkthrough of adding TXT and CNAME records for DMARC, SPF and DKIM in the Wix DNS editor, covering the real gotchas: relative host names, long-TXT chunking, CNAME targets without a trailing dot, the one-SPF-record rule and TTL during testing.
Read more
Automating DMARC, SPF and DKIM with the DMARC Engine API
Most teams start with email authentication as a one-off project: someone fixes the SPF record, publishes a DKIM key, sets a DMARC policy, and moves on.
Read more