tls.automattic.com
Issued by R3
About this certificate
This digital certificate with serial number 03:9d:80:51:a1:09:55:51:9e:c3:38:69:7e:b4:a9:ce:d7:95 was issued on by Let's Encrypt.
With 2 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=tls.automattic.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:9d:80:51:a1:09:55:51:9e:c3:38:69:7e:b4:a9:ce:d7:95Serial Number (int): 314931754427581493805499714865188649752469
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 21:a1:76:c2:30:83:f9:32:f3:6b:e1:51:b5:be:83:6b:c3:bc:d8:65
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 60:80:a2:aa:4f:f8:89:a9:0f:83:02:0a:6a:9f:7b:8b:f3:17:ab:a6
Fingerprint (sha256): 8e:e4:a1:8d:f6:4c:b0:3d:39:07:77:7a:69:6f:46:c7:f7:54:44:b7:a7:b5:54:cb:47:82:83:aa:5f:0b:78:18
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate tls.automattic.com
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for tls.automattic.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
raha.fi
tls.automattic.com
tls.automattic.com
Other certificates including the domain name automattic.com
(limited to 100 certificates)
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
tls.automattic.com
Certificate
The complete raw certificate details for tls.automattic.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIELTCCAxWgAwIBAgISA52AUaEJVVGewzhpfrSpzteVMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAzMDMwMzA5NDdaFw0yNDA2MDEwMzA5NDZaMB0xGzAZBgNVBAMT EnRscy5hdXRvbWF0dGljLmNvbTBZMBMGByqGSM49AgEGCCqGSM49AwEHA0IABKFX cAqvoQ9PX9k31wJFGc6nmoxNWQtqBFu/hB1kR/AVPtPrZAz1RT6vfisWyRfyNuPU 7JQO/qzUVXbbBldIxYGjggIbMIICFzAOBgNVHQ8BAf8EBAMCB4AwHQYDVR0lBBYw FAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFCGh dsIwg/ky82vhUbW+g2vDvNhlMB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJQOYfr52L FMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3IzLm8ubGVu Y3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcvMCYGA1Ud EQQfMB2CB3JhaGEuZmmCEnRscy5hdXRvbWF0dGljLmNvbTATBgNVHSAEDDAKMAgG BmeBDAECATCCAQIGCisGAQQB1nkCBAIEgfMEgfAA7gB1AEiw42vapkc0D+VqAvqd MOscUgHLVt0sgdm7v6s52IRzAAABjgKA7IQAAAQDAEYwRAIgaxrKW9/B4dofNT/B c+zrfZcugFi5KYQB4XkHwtBiIEcCICCpgXKeQWt2dnM2MeoHk0Vu4b9X9sGPWOe7 YAZIDKDCAHUA7s3QZNXbGs7FXLedtM0TojKHRny87N7DUUhZRnEftZsAAAGOAoDu nwAABAMARjBEAiBgY8/ESBQ7YJox/BLv5xTSr2vwVaiViheoMGOfR28p7gIgDM9v 6Dg7GznZb9fBM0mt0jy9z4TDvSLrttVXyrpNsqQwDQYJKoZIhvcNAQELBQADggEB ADYdsKNMDXcOHAw2HonaKO/J73Tt7k1XFpsv0QLDnfIwaE3vaiHM9LkuXwZdCnfI IcpY5ixn3Thj2d/GlsTRhr06N+/j0F8b9Wjxu/G4pBqLVj48WeaIEE7C/pRl5wVa I5czMAU7Y7MXKG3u0Ss4Uwt9tYm5Wcsolmgy0TAOo706GB3Dm1s9zvu4NWm2PGgz uh1ljU7ATOPto824V47EYUEmOI/GTtbzf0jHVtb//OZBE35heTagOPzEjjwynsNd 7JcCWz/4KDBYYLlmVpiHv2N51ezbMnlVSgbRCgap2Rp8T/W1g1ztdp9zkO5aTAI2 l1ma9CeVq8gD1sY+4jfFID4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEoVdwCq+hD09f2TfXAkUZzqeajE1Z C2oEW7+EHWRH8BU+0+tkDPVFPq9+KxbJF/I249TslA7+rNRVdtsGV0jFgQ== -----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 314931754427581493805499714865188649752469 . . . . . . . . [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 2024-03-03 03:09:47 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-01 03:09:46 +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:19|false] PrintableString 'tls.automattic.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) 0004a157700aafa10f4f5fd937d7024519cea79a8c4d590b6a045bbf841d6447f0153ed3eb640cf5453eaf7e2b16c917f236e3d4ec940efeacd45576db065748c581 . . . . . . . . [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) 21a176c23083f932f36be151b5be836bc3bcd865 . . . . . . . . . . . . . . . . [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 (31 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'raha.fi' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tls.automattic.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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e0280ec84000004030046304402206b1aca5bdfc1e1da1f353fc173eceb7d972e8058b9298401e17907c2d0622047022020a981729e416b7676733631ea0793456ee1bf57f6c18f58e7bb6006480ca0c2007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e0280ee9f000004030046304402206063cfc448143b609a31fc12efe714d2af6bf055a8958a17a830639f476f29ee02200ccf6fe8383b1b39d96fd7c13349add23cbdcf84c3bd22ebb6d557caba4db2a4 . . . . [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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