Let's Encrypt Community Support = 40rem)" rel="stylesheet" data-target="discourse-ai_desktop" /> = 40rem)" rel="stylesheet" data-target="discourse-calendar_desktop" /> = 40rem)" rel="stylesheet" data-target="discourse-reactions_desktop" /> = 40rem)" rel="stylesheet" data-target="poll_desktop" /> Topic Replies Views Activity Welcome to Let's Encrypt Community Support 0 89250 August 7, 2015 HTTP-01 and TLS-ALPN-01 both fail with “Error getting validation data,” but no validator traffic reaches server Help 3 56 August 17, 2026 Production HTTP-01 validation times out immediately after staging succeeds (Primary validator only, no firewall block found) Help 4 180 August 16, 2026 New Certificate but server responds with certificate expired warning Help 0 47 August 16, 2026 Delete Certificat Help 2 92 August 16, 2026 Intermittent "Loop Detected" error Help 7 126 August 15, 2026 Don't run deploy hook Help 3 125 August 14, 2026 Remote VA DNS timeout for ChangeIP nameservers — all DNS-01 challenges fail on secondary validation Help 4 126 August 14, 2026 My SSL certificate will expire on October how to renew? Help 6 220 August 13, 2026 How to remove domain from policy blocklist Issuance Policy 2 130 August 13, 2026 Certbot for new dns "skrime.eu" Help 5 218 August 11, 2026 Sudden auth failures with DNS challenge Help 2 142 August 11, 2026 Acme.sh - DNS manual mode - Unable to verify TXT Help 2 158 August 11, 2026 Non standard paths Help 2 101 August 11, 2026 2026.08.10 CPS missing root program attestation Incidents 0 164 August 10, 2026 Stuck wildcard cert won't switch to standard — Let's Debug passes both methods, site down 3 days** Help 1 116 August 8, 2026 Mailserver Certifacte shows the wrong domain Help 8 134 August 8, 2026 SSL renew urgent Help 11 400 August 7, 2026 Verbose log files Help 6 144 August 6, 2026 Get and update test certificate with DNS challenge Help 5 175 August 6, 2026 Domain compromission Help 5 141 August 5, 2026 Crt.sh availability Help 3 175 August 5, 2026 Unable to pass challenges Help 1 113 August 4, 2026 Multipli domain Help 5 156 August 3, 2026 Cannot add certificate on Synology behind company Firewall Help 6 204 August 2, 2026 Challenge goes faulty Help 28 311 August 2, 2026 Unable to generate certificate using dns verification Help 3 218 July 31, 2026 Revisiting dns-account-01 support Feature Requests 1 216 July 30, 2026 Entra Domain Services and Secure LDAP Feature Requests 8 176 July 30, 2026 What should I be doing if not DNS challenge Help 14 265 July 29, 2026