src_823f7b237762257237
- Source-provided label
- Not reported
- Evidence class
- mentioned in report
- Confidence
- Not reported
- Observed
- Feb 18, 2026 00:00 UTC
- Retrieved
- Oct 08, 2026 03:47 UTC
DNS-PERSIST-01: A New Model for DNS-based Challenge Validation
When you request a certificate from Let’s Encrypt, our servers validate that you control the hostnames in that certificate using ACME challenges. For subscribers who need wildcard certificates or who prefer not to expose infrastructure to the public Internet, the DNS-01 challenge type has long been the only choice. DNS-01 works well. It is widely supported and battle-tested, but it comes with oper
Reference details
- Source category
- Research & news
- Report title
DNS-PERSIST-01: A New Model for DNS-based Challenge Validation- First reported
- Feb 18, 2026 00:00 UTC
- Last reported
- Feb 18, 2026 00:00 UTC
- Catalog updated
- Oct 08, 2026 03:47 UTC
- Record ID
98d09ed7935a5b432ae2ea0a280c1a3e35c7e74d2d334b80fb84df63d1b865f9
Published indicators
Network indicators are visibly defanged. This page does not make them clickable or send them to another service.
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Source observations
This record contains metadata and attribution only. It does not host, download, unpack, render, or execute malware samples.
Feed collection status
Sources represented on this page. Publication and observation dates describe the content; successful batch dates describe local collection. A recent batch does not certify complete coverage or current provider availability.
1 sources: 0 stale, 0 needing attention, 0 paused, 1 unverified.
Review source update dates and status
- src_823f7b237762257237Collection status unverifiedLast successful batch: Unverified
Stale means older than twice the recorded collection interval, with a minimum of one hour; without an interval, the threshold is 24 hours. Cached content remains available while a feed is stale, paused, or unverified.