来源：https://www.namepros.com/threads/domain-verification-techniques-using-dns-draft.1295284/

Domain Verification Techniques using DNS (draft)​
draft-ietf-dnsop-domain-verification-techniques-01

Abstract

Many services on the Internet need to verify ownership or control of a domain in the Domain Name System (DNS). This verification is often done by requesting a specific DNS record to be visible in the domain. There are a variety of techniques in use today, with different pros and cons. This document proposes some practices to avoid known problems.

文档：https://datatracker.ietf.org/doc/draft-ietf-dnsop-domain-verification-techniques/