Category: DNS for Email
Articles about DNS records for email — MX, TXT, CNAME, PTR, and other records essential for delivery and authentication.
How DNSSEC Protects SPF, DKIM, and MX Records
DNSSEC protects email DNS records from forgery. We break down four concrete attacks on SPF, DKIM, DMARC, and MX — and how cryptographic signatures prevent them.
· 7 min read
What Is a CAA Record and How to Restrict TLS Certificate Issuance
A CAA record specifies which certificate authorities may issue TLS certificates for your domain. Learn how to configure it with practical examples.
How to verify if your domain has DNSSEC
How to verify DNSSEC for your domain using online tools and dig commands. Interpret results, fix common issues, and understand the impact of broken…
What is DNSSEC and how does it work
DNSSEC protects DNS responses with cryptographic signatures, preventing forgery of SPF, DKIM, DMARC, and MX records. Learn how it works and how to…
DNS Records for Email — A Complete Guide
MX, TXT, CNAME, PTR — every DNS record you need for email delivery and security in one place. Examples, rules, and a ready-to-use checklist.