*.learnsailing.com
Issued by R3
About this certificate
This digital certificate with serial number 03:8c:1b:33:5f:e2:fb:07:c3:15:01:21:a1:4a:32:b3:e2:55 was issued on by Let's Encrypt.
With 4 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.
We have idenified some issues with this certificate:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=*.learnsailing.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:8c:1b:33:5f:e2:fb:07:c3:15:01:21:a1:4a:32:b3:e2:55Serial Number (int): 309012545072050270025848854188506880402005
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: c4:2c:bb:2f:4c:5f:18:e2:e3:77:71:9f:24:25:03:b4:17:8f:52:ce
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 02:b7:75:cc:43:e9:7d:19:3e:0b:2d:c0:f0:c2:74:44:10:45:38:65
Fingerprint (sha256): f0:da:18:f4:d0:aa:85:c7:f5:68:4d:23:ff:f2:54:b6:f4:cb:52:a9:a2:64:56:3b:6f:5c:7e:44:d8:dd:99:3a
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate *.learnsailing.com
4
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for *.learnsailing.com
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
9 extensions
No
unhandled critical extensions
CA Certificate
This is not a CA certificate
Subject Alternative Names
*.bowtosternboating.com
*.learnsailing.com
bowtosternboating.com
learnsailing.com
*.learnsailing.com
bowtosternboating.com
learnsailing.com
Other certificates including the domain name learnsailing.com
(limited to 100 certificates)
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
learnsailing.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
*.bowtosternboating.com
learnsailing.com
bowtosternboating.com
learnsailing.com
bowtosternboating.com
learnsailing.com
bowtosternboating.com
bowtosternboating.com
*.learnsailing.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
learnsailing.com
bowtosternboating.com
bowtosternboating.com
bowtosternboating.com
*.bowtosternboating.com
learnsailing.com
bowtosternboating.com
learnsailing.com
bowtosternboating.com
learnsailing.com
bowtosternboating.com
bowtosternboating.com
*.learnsailing.com
Certificate
The complete raw certificate details for *.learnsailing.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEaTCCA1GgAwIBAgISA4wbM1/i+wfDFQEhoUoys+JVMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEyMDQxMTQzMzlaFw0yNDAzMDMxMTQzMzhaMB0xGzAZBgNVBAMM EioubGVhcm5zYWlsaW5nLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABEfz vYeZhSbv4Yym7fTjE4ysFNlCSh3CFjXNgDjiHCc4CAd+zQ9qFoWljZyEkALcp680 aw9YtSHY+bd+3aJpAt+jggJXMIICUzAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFMQs uy9MXxji43dxnyQlA7QXj1LOMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMF8GA1Ud EQRYMFaCFyouYm93dG9zdGVybmJvYXRpbmcuY29tghIqLmxlYXJuc2FpbGluZy5j b22CFWJvd3Rvc3Rlcm5ib2F0aW5nLmNvbYIQbGVhcm5zYWlsaW5nLmNvbTATBgNV HSAEDDAKMAgGBmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2AEiw42va pkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjDTbCOIAAAQDAEcwRQIgCmDk 5F/TczOPZXHFrnzwR+mJd2F0TvVu+LVff4x1hQMCIQD5744Aq/Uaolaa56SzQYXs ZwVV4vfSWaiwCBD2/lHsIQB3ACnQOhu2dKpxHNMDW2VXwU+Kp4tP6DiUSeykU/lE vSRoAAABjDTbCrUAAAQDAEgwRgIhAN3RPKSWzSABeKe7CzVbIX35GaikilfryK17 MV2bsUBlAiEAuH/V5IFYnjODvw6ZlDzkV/+as4gwfBlk6+PRxoQzPfgwDQYJKoZI hvcNAQELBQADggEBAFQxbLLqrkQTYE9UtUe6TDIo0XCaC1mIC/CSswhlVg+Y8PTG fBBbHLilUAwpz6MuiPE3CcjyLOfeVUHTR753NSeMH8tbg0Vr/4+4fhPf6B8P1ryN PCmfLnXfj83l1Gfz++hr5AfwPI3wyguDGVRVifUhV8ntkMPyHbGgmY8DmJlQJoee yuG9IB1326hEOQYOfZYIiUhXloNE2mcJXlbsyFOVRI31jtH9amRFRW/Rdmk4ZbMS BuwoaDLdjfjMqLk8Z+YplSpAz8Hi+3Q7nZ4twxHohLqXA1HTK2d8jDp1AcCRuG/Q gaxMcfpsw7SxfJSY1jnDupRphYwdTIgcS6VXkho= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAER/O9h5mFJu/hjKbt9OMTjKwU2UJK HcIWNc2AOOIcJzgIB37ND2oWhaWNnISQAtynrzRrD1i1Idj5t37domkC3w== -----END PUBLIC KEY-----
ASN.1 decoded
[c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2 . . . . . . . . [c:0|t:2|false] INTEGER 309012545072050270025848854188506880402005 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-04 11:43:39 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-03 11:43:38 +0000 UTC . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.learnsailing.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) 000447f3bd87998526efe18ca6edf4e3138cac14d9424a1dc21635cd8038e21c273808077ecd0f6a1685a58d9c849002dca7af346b0f58b521d8f9b77edda26902df . . . . . . . . [c:2|t:3|true] ORAddress . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (1 bits) 0780 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes) c42cbb2f4c5f18e2e377719f242503b4178f52ce . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (88 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.bowtosternboating.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.learnsailing.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bowtosternboating.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'learnsailing.com' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (12 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes) 00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c34db08e2000004030047304502200a60e4e45fd373338f6571c5ae7cf047e9897761744ef56ef8b55f7f8c758503022100f9ef8e00abf51aa2569ae7a4b34185ec670555e2f7d259a8b00810f6fe51ec2100770029d03a1bb674aa711cd3035b6557c14f8aa78b4fe8389449eca453f944bd24680000018c34db0ab50000040300483046022100ddd13ca496cd200178a7bb0b355b217df919a8a48a57ebc8ad7b315d9bb14065022100b87fd5e481589e3383bf0e99943ce457ff9ab388307c1964ebe3d1c684333df8 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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