# RFC 9991

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> Last updated: 2026-05-25T07:19:06.575875+00:00
> 1 articles mentioning **RFC 9991**

- [DMARC Is Now a Proper Internet Standard: What Changed in RFC 9989/9990/9991](https://wpnews.pro/news/dmarc-is-now-a-proper-internet-standard-what-changed-in-rfc-9989-9990-9991) — 2026-05-22