DNS
DNS records that affect security and email deliverability.
Guides
- DNS Security BasicsA checklist of DNS records every domain should have — CAA, DNSSEC, SPF, DKIM and DMARC — with why each one matters.
Articles
- DMARC in Plain EnglishSPF, DKIM, DMARC. Three DNS records, one goal: stop other people from sending email as you. Here is what each one actually does.