nirkko.ch
Issued by R3
About this certificate
This digital certificate with serial number 03:1c:33:97:23:0f:d0:c9:04:c4:1d:bb:55:2f:e5:b0:26:59 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=nirkko.ch
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:1c:33:97:23:0f:d0:c9:04:c4:1d:bb:55:2f:e5:b0:26:59Serial Number (int): 270933339444815060849498372167160933918297
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 09:d9:69:12:7e:95:2e:62:f5:6b:c0:53:36:b7:20:1e:57:23:43:5c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): a8:7d:a0:f7:3a:ea:65:71:53:2b:53:d4:e4:3d:ac:f0:88:0e:f2:05
Fingerprint (sha256): 13:1f:9b:a6:d2:0b:e5:fe:f8:62:01:c0:68:53:f5:43:86:d8:7d:34:a2:81:e9:6f:b0:e1:b1:c7:08:56:51:be
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate nirkko.ch
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for nirkko.ch
Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
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
*.nirkko.ch
nirkko.ch
nirkko.ch
Other certificates including the domain name nirkko.ch
(limited to 100 certificates)
Certificate
The complete raw certificate details for nirkko.ch in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIE7TCCA9WgAwIBAgISAxwzlyMP0MkExB27VS/lsCZZMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEwMDMxMzE2NDRaFw0yNDAxMDExMzE2NDNaMBQxEjAQBgNVBAMT CW5pcmtrby5jaDCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALYowC8Q 4kkc+oEkYbQCgDTLohNLEvCMAe1K5E23/PZgZrhTiIywPcQ6ueoX4U4mDz+yArWk NtF+4BLfmbmVySAh4z0pqESufXBTpNZuG+NcimLoKDaCxP4QnIbM9PKuOZQnkqKC /f8yEtkEt3gaVAEw+EB35PvdDnLShuk7YgUtvW2VNQQaliHiK1AR7/nyWMk+Ytkh cpOQLHbjFWMQARDzu2MxBKbX98eCw17CoiWDCWgPqglJMmNSn6/H0/LOA8aULt4y H1GSzQ6Ax1iBH936p8s22AyAR7IVYlVhsxtCc7y46VuIy0pYRmufdzifMyHO4it4 zSXeK2ZAAADWAnECAwEAAaOCAhkwggIVMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU CdlpEn6VLmL1a8BTNrcgHlcjQ1wwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA5h+v nYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMuby5s ZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8wIQYD VR0RBBowGIILKi5uaXJra28uY2iCCW5pcmtrby5jaDATBgNVHSAEDDAKMAgGBmeB DAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2ANq2v2s/tbYin5vCu1xr6HCR cWy7UYSFNL2kPTBI1/urAAABivXl/EEAAAQDAEcwRQIhANF1QLHB9Kb7NcNlVsdw 5pYKHfKJax2HNsYIqpRI00vTAiAdtMNEQ3mysUGl3SHNkVlrS7O7CuSIX2dtoTaT TVV2PAB3AHb/iD8KtvuVUcJhzPWHujS0pM27KdxoQgqf5mdMWjp0AAABivXl/JYA AAQDAEgwRgIhANVowS/CviIoVquszriDAHZ1EBc2NPGTB6CEij+SKCfuAiEAjOhF bYdx1kznbZRXlDQqQoyLJcnrr8UqnhGm6Rmt65MwDQYJKoZIhvcNAQELBQADggEB AIrbY23ZVrY8kdgyXr+aWlg69+0yKub5xlMEogtY9JtMY43Ik8dO+fcJWlAo2eHm a1nVWUbJ7ANr5u6cdUgLEXgL4uWjmIORmv2d1BiNnEzVFIq7WCc/evEjCAoob8PC 2dGf+SFsIcV4oBCqB4829pLaV3l0onlRdNj3/ykmSN3KJSLP6hwgtevnUaQN5XCy swCVzV6wBXlJuQwigiEQ4G8lL1FTmO4BB5OCZSgw3aDoP47SRultqLUcq8aLMnDZ uZcO/k3hj44m1u8ZSaLuKWJUGQNIGiOk/sex2XWVfuycKqZPSN3ZeDLpT1VDvv8r /0oWGv8eWeqclA6f1RrRTlU= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtijALxDiSRz6gSRhtAKA NMuiE0sS8IwB7UrkTbf89mBmuFOIjLA9xDq56hfhTiYPP7ICtaQ20X7gEt+ZuZXJ ICHjPSmoRK59cFOk1m4b41yKYugoNoLE/hCchsz08q45lCeSooL9/zIS2QS3eBpU ATD4QHfk+90OctKG6TtiBS29bZU1BBqWIeIrUBHv+fJYyT5i2SFyk5AsduMVYxAB EPO7YzEEptf3x4LDXsKiJYMJaA+qCUkyY1Kfr8fT8s4DxpQu3jIfUZLNDoDHWIEf 3fqnyzbYDIBHshViVWGzG0JzvLjpW4jLSlhGa593OJ8zIc7iK3jNJd4rZkAAANYC cQIDAQAB -----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 270933339444815060849498372167160933918297 . . . . . . . . [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 2023-10-03 13:16:44 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-01 13:16:43 +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 'nirkko.ch' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption) . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22995466431900249293200635018809436905675513250116815778974540593468505106994776033339505459184971026401814255127887281224220956919228461250396141356190545244701677354623556078027933729329340857516719752400347940942272927621647146759400565358239201181981603648301489827904740969329134413365222461576886904136628327522731542949715910479581531790878586065197319487252710666677127756040350403973039075584725286100566475869645968559942594598399267317706368217802141018870434070271296261344615370656046407195607189243512784681382837265055816692717112850250800837980473856848682688795873120665448337205736190247828184236657 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537 . . . . . . . . [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 (3 bits) 05a0 . . . . . . . . . . . . . . . . [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) 09d969127e952e62f56bc05336b7201e5723435c . . . . . . . . . . . . . . . . [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 (26 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.nirkko.ch' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nirkko.ch' . . . . . . . . . . . . . . . . [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) 00f1007600dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018af5e5fc410000040300473045022100d17540b1c1f4a6fb35c36556c770e6960a1df2896b1d8736c608aa9448d34bd302201db4c3444379b2b141a5dd21cd91596b4bb3bb0ae4885f676da136934d55763c00770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018af5e5fc960000040300483046022100d568c12fc2be222856abacceb88300767510173634f19307a0848a3f922827ee0221008ce8456d8771d64ce76d945794342a428c8b25c9ebafc52a9e11a6e919adeb93 . . . . [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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