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Welcome to Let's Encrypt Community Support
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0
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89329
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August 7, 2015
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Certbot preferred challenge methods http to dns. How to use static CNAME delegation for DNS
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5
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40
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August 27, 2026
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Certificats bloqués suite à plusieurs tentatives
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16
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81
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August 26, 2026
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Intermittent "DNS problem: query timed out" (A/AAAA and CAA) affecting multiple domains on same authoritative NS — packet capture shows queries never arriving
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2
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94
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August 26, 2026
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Secondary validation returns intermittent DNS SERVFAIL for survey.lang-sheng.cn
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5
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188
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August 26, 2026
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Persistent NXDOMAIN on dns-01 challenge despite verified, consistent authoritative answers
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6
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216
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August 25, 2026
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Crt.sh seems down?
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11
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476
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August 25, 2026
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Renew certificate expired 490 days ago
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13
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257
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August 24, 2026
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How difficult is to install SSL
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7
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195
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August 23, 2026
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Anyone else using chisel server seeing this? Solution?
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4
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145
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August 23, 2026
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Attention! Potential fraud!
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1
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129
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August 22, 2026
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Production HTTP-01 validation times out immediately after staging succeeds (Primary validator only, no firewall block found)
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8
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377
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August 21, 2026
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SSL-certificaat
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1
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98
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August 21, 2026
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No response from destination server
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7
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187
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August 20, 2026
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Support for HTTPS records in alias mode
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14
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349
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August 20, 2026
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Acmebot Export Cert Password
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1
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85
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August 19, 2026
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Acme-Agent - Acme client/certificate manager
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2
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144
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August 18, 2026
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Re: 2026.08.10 CPS missing root program attestation
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1
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138
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August 18, 2026
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The challenge data keeps changing between 2 validations in pending state
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9
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172
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August 18, 2026
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Lets Encrypt Certificate Renewal Fails With Nginx After Configuration Change
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2
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122
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August 18, 2026
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Need a certificate file and key file for a Linkstation NAS
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2
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90
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August 17, 2026
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Certificate Renewal Failing
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1
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109
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August 17, 2026
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Allow users to modify their submitted content
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7
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181
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August 17, 2026
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I am unable to acquire a LE certificate, via GitLab Pages, for “norfolkNeighbourhoodWatch.co.UK”
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10
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212
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August 17, 2026
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HTTP-01 and TLS-ALPN-01 both fail with “Error getting validation data,” but no validator traffic reaches server
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4
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122
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August 17, 2026
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Delete Certificat
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2
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124
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August 16, 2026
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Intermittent "Loop Detected" error
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7
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167
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August 15, 2026
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Don't run deploy hook
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3
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153
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August 14, 2026
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Remote VA DNS timeout for ChangeIP nameservers — all DNS-01 challenges fail on secondary validation
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4
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164
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August 14, 2026
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My SSL certificate will expire on October how to renew?
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6
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279
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August 13, 2026
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