Quick summary
- Term
- DNS-01 Challenge
- Plain-English definition
- A DNS-01 challenge is an ACME validation method where a domain owner proves control by publishing a DNS TXT record.
- Technical definition
- A DNS-01 challenge is an ACME validation method where a domain owner proves control by publishing a DNS TXT record.
- Commonly confused with
- Related domain, DNS, registrar, API, or agent-infrastructure terms.
- Related terms
- ACME, TXT Record, SSL Certificate
Definition
A DNS-01 challenge is an ACME validation method where a domain owner proves control by publishing a DNS TXT record.
Why it matters
DNS-01 validation is useful for wildcard certificates and automated certificate issuance.
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