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Welcome to Let's Encrypt Community Support
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0
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89360
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August 7, 2015
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Hi, i built a thing: a service to do dns-01 for domains whose dns you don't want to hand over
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4
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62
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August 29, 2026
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Certbot preferred challenge methods http to dns. How to use static CNAME delegation for DNS
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6
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140
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August 28, 2026
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Correct DNS but TLS cert won't provision
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3
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109
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August 28, 2026
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CERTBOT Fails due to no IPV6
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4
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105
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August 27, 2026
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Secondary validation returns intermittent DNS SERVFAIL for survey.lang-sheng.cn
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7
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274
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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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123
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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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108
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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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229
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August 25, 2026
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Crt.sh seems down?
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11
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604
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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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308
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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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232
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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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158
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August 23, 2026
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Attention! Potential fraud!
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1
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148
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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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416
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August 21, 2026
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SSL-certificaat
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1
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108
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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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216
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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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415
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August 20, 2026
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Acmebot Export Cert Password
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1
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87
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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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154
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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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145
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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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201
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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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135
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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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107
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August 17, 2026
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Certificate Renewal Failing
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1
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115
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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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203
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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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254
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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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140
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August 17, 2026
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Delete Certificat
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2
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134
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August 16, 2026
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Intermittent "Loop Detected" error
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7
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197
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August 15, 2026
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