How DNS Works for Email: MX, SPF, DKIM & DMARC Explained
You hit send and it just works. This is why: how DNS routes email with MX records and proves it is real with SPF, DKIM and DMARC.
A complete plain-English explainer: DNS as the internet's phonebook, how a name is resolved, how MX records route your email, and how SPF, DKIM and DMARC stop spoofing. Built for anyone who sends email and wants to know what keeps it delivered and trusted.
Try it yourself, free:
DNS lookup: https://dnsai.com/search/
SPF analyzer: https://dnsai.com/spf-analyzer/
DKIM lookup: https://dnsai.com/dkim-lookup/
DMARC lookup: https://dnsai.com/dmarc-lookup/
Free DNS lookup and email analysis tools: https://dnsai.com
Enterprise bulk DNS intelligence and monitoring: https://app.dnsai.com (start free, no credit card)
Chapters:
0:00 You hit send
0:11 DNS is the internet's phonebook
0:22 Domain hierarchy
0:38 How a name is resolved
0:52 MX records: routing email
1:15 Email's identity problem
1:27 SPF and DKIM
1:46 DMARC ties it together
2:00 The whole journey
2:23 DNS at scale
#dns #emailsecurity #dmarc
Music: "Deliberate Thought" by Kevin MacLeod (incompetech.com)
Licensed under Creative Commons: By Attribution 4.0
https://creativecommons.org/licenses/...