Let's Encrypt Community Support

Topic	Replies	Views	Activity
Unexpected renewal failures since April 2024? Please read this! Help A noticeable number of Let's Encrypt users who previously had many successful certificate renewals have been having renewal difficulties since April 2024. Many of these have been attributable to a recent change on the Le…	4	11653	May 22, 2024
Welcome to Let's Encrypt Community Support	1	79378	August 7, 2015
Failed to renew certificate xxx with error: Some challenges have failed Help	2	525	June 30, 2024
Idea - Rechallenge and Revoke, Extend Cert Lifetime Issuance Policy	1	52	June 30, 2024
The Certificate Authority failed to verify the temporary Apache configuration changes made by Certbot. Ensure that the listed domains point to this Apache server and that it is accessible from the internet Help	7	92	June 30, 2024
DNS problem: looking up A for xxx.domain.top: DNSSEC: DNSKEY Missing; no valid AAAA records found for xxx.domain.top Help	32	66081	June 30, 2024
Let's Encrypt http-01 ACME challenge fails with timeout Help	9	249	June 30, 2024
DNS-01 Challenge Failing Help	22	288	June 30, 2024
Curl says: unknown CA Help	6	148	June 30, 2024
There is a server found at this domain but it returned an unexpected status code Invalid domain or IP Help	2	140	June 30, 2024
Some challenges have failed when i run sudo certbot --nginx -d www.example.com Help	8	103	June 29, 2024
"Some challenges have failed" when run "certbot certonly --standalone -d XXXX" and "certbot certonly --standalone -d XXX --debug-challenges -v" Help	3	442	June 29, 2024
DNSKEY Missing; DNS problem on .TOP domain Help	29	2373	June 29, 2024
The key authorization file from the server did not match this challenge Help	3	160	June 29, 2024
Figuring out manual cert install Help	1	107	June 29, 2024
Combining wildcard with normal domains Feature Requests	4	199	June 29, 2024
Internal Error npm ssl wildcard error Help	1	120	June 28, 2024
New server renewal certificate denies connection to server Help	19	184	June 28, 2024
Proof of Concept: NGINX ACME Dynamic Module Client dev	5	306	June 28, 2024
Let’s Encrypt is not renewing with bacme client Help	11	446	June 28, 2024
Unable to renew certificate after long period without errors - DNS problem: server failure at resolver looking up AAAA Help	6	253	June 28, 2024
Regular backups of certificates Help	4	138	June 28, 2024
Pfsense with stunnel: Error resolving "r10.o.lencr.org": Address family for nodename not supported (EAI_ADDRFAMILY) Help	17	503	June 28, 2024
OCSP issue with cert issued from E5 Help	6	142	June 28, 2024
One of three urls, can't renew certificate Help	13	305	June 28, 2024
Unable to renew certificate Help	18	351	June 28, 2024
Timeout during connect (likely firewall problem) Help	4	279	June 28, 2024
First Time Certificate Help	14	290	June 27, 2024
Using certbot behind nginx to get certificates Help	24	202	June 27, 2024
Certificate: Some challenge is failed Help	4	225	June 27, 2024

Unexpected renewal failures since April 2024? Please read this!

A noticeable number of Let's Encrypt users who previously had many successful certificate renewals have been having renewal difficulties since April 2024. Many of these have been attributable to a recent change on the Le…