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Topic	Replies	Views	Activity
Third-party-Tools to check your configuration Help If you want to create a certificate, check your website or if you want to find hidden problems in your configuration: One of the following tools may be helpful. Some are small, some check a lot of things. Trouble to unde…	3	27903	November 1, 2018
About the Help category Help	3	7559	October 29, 2018
Certbot docker 404 when requesting challenge Help	8	21	January 18, 2026
Timeout during connect (likely firewall problem) Help	11	50	January 18, 2026
Errors in NPM log files Help	5	61	January 18, 2026
Chrome and Edge receiving NET:ERR_CERT_DATE_INVALID Help	8	50	January 17, 2026
Http-01 challenge fails with Connection refused Help	5	92	January 17, 2026
Can't get ssl certificate : Acme::Client::Error::RateLimited: Service busy; retry later Help	3	63	January 16, 2026
Request for Increased Rate Limits – High-Volume ACME Service for Multi-Tenant SaaS Platform Help	3	67	January 16, 2026
DNS-01: CAA Timeout from ACME server but unable to replicate Help	7	79	January 16, 2026
Unable to create certificate - Problems with CAA records using ACME terraform provider Help	6	152	January 15, 2026
Http-01 return no valid A records found Help	4	45	January 15, 2026
About Communication IP Address Restrictions Help	4	98	January 15, 2026
Does Let’s Encrypt already support issuing certificates for IP addresses? Help	7	163	January 15, 2026
Failed to create certificate with Namecheap shared hosting Help	1	42	January 14, 2026
Synology DS916+ SSL broken? Help	6	116	January 14, 2026
Certbot failed to authenticate some domains Help	6	84	January 14, 2026
I am unable to create a certificate in Fedora 43 for my website. "Some challenges have failed." Help	66	173	January 14, 2026
Certbot update request Help	1	67	January 14, 2026
Using shortlived in Prod Help	9	123	January 13, 2026
Error getting validation data Help	22	119	January 13, 2026
How to create Trusted Certificates using cerbot for xrdp server Help	5	129	January 13, 2026
ACME account is temp restricted? Rackspace failed to renew certificate? Help	9	97	January 13, 2026
HTTP 429 rate limit persists for over 2 months despite single-domain certificate requests Help	3	110	January 13, 2026
Unclear how to setup QNAP NAS using Cerbot with Let's Encrypt Help	6	64	January 13, 2026
Secondary SERVFAIL DNS error running certbot Help	52	86	January 13, 2026
Can't install certbot using snap Help	4	40	January 12, 2026
Rate limit failures getting cert for newly added Public Suffix "us.ci" Help	1	69	January 12, 2026
Nginx Proxy Manager can not get a certificate. Why? Help	18	102	January 11, 2026
Will the changes at Certbot/snap/LE between now and 3/31/2026 mean a re-do of Certbot? Help	16	300	January 9, 2026