alpstark.ch
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:0d:b0:b1:a7:c2:7a:63:65:99:2f:5a:a4:82:57:a7:0d:d0 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=alpstark.ch
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:0d:b0:b1:a7:c2:7a:63:65:99:2f:5a:a4:82:57:a7:0d:d0Serial Number (int): 265995395131625590495252255417340933901776
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: ba:be:5e:3c:54:8a:0b:3d:9b:14:42:78:b3:2f:21:af:aa:a2:a8:13
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a8:1a:ac:1a:50:3f:04:d6:0a:b0:6b:45:cb:8c:17:79:7f:b9:d9:cb
Fingerprint (sha256): e0:11:61:d7:49:35:57:2d:e0:6d:23:f7:f2:33:7e:8f:bc:36:80:1e:da:8f:5a:c5:4a:cb:48:e8:3e:cd:80:72
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate alpstark.ch
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for alpstark.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
alpstark.ch
www.alpstark.ch
www.alpstark.ch
Other certificates including the domain name alpstark.ch
(limited to 100 certificates)
alpstark.ch
www.alpstark.ch
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alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
Certificate
The complete raw certificate details for alpstark.ch in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGEjCCBPqgAwIBAgISAw2wsafCemNlmS9apIJXpw3QMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODA4MjEyMTAwMjBaFw0x ODExMTkyMTAwMjBaMBYxFDASBgNVBAMTC2FscHN0YXJrLmNoMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzE4FK0aVdwXBbnF3C/sl2KWzVR2VuV74CCsr EcQkKh8ByD9wCMpLe36qbuUV5CCwp36mNSzmKIR9WuE7kr/VRifblo6BxdLe80im qWLoqAyJxt+fFDjBYSp0/oby5K0JWtYIjk8NdLsP7NP1NAk0VuKLsxADtH2BFsZO aIpNTmlR/Lzr3arcHi+2Aipg/ETNV+sGXg4OT78QDMIC/2Y8Ef5Sk1JuCE9BXIA4 8wf+Xw0Lmgt/8eKHIKt029yswHkbhzqCx555KpvMD9AxXnaAQZfkeF/0b1xPM5Xz jyU0ERDIG74jVSA8F2vVl7vqXmjLWMzWZpq33D/WXPhf0TFrLwIDAQABo4IDJDCC AyAwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBS6vl48VIoLPZsUQnizLyGvqqKoEzAf BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv MCcGA1UdEQQgMB6CC2FscHN0YXJrLmNogg93d3cuYWxwc3RhcmsuY2gwgf4GA1Ud IASB9jCB8zAIBgZngQwBAgEwgeYGCysGAQQBgt8TAQEBMIHWMCYGCCsGAQUFBwIB FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCBqwYIKwYBBQUHAgIwgZ4MgZtU aGlzIENlcnRpZmljYXRlIG1heSBvbmx5IGJlIHJlbGllZCB1cG9uIGJ5IFJlbHlp bmcgUGFydGllcyBhbmQgb25seSBpbiBhY2NvcmRhbmNlIHdpdGggdGhlIENlcnRp ZmljYXRlIFBvbGljeSBmb3VuZCBhdCBodHRwczovL2xldHNlbmNyeXB0Lm9yZy9y ZXBvc2l0b3J5LzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AMEWSuCnctLUOS3I CsEHcNTwxJvemRpIQMH6B1Fk9jNgAAABZV6AvgkAAAQDAEcwRQIgDHFoTyAlLrBY 2KnGyE4T444JZiKrI6X+wrnwDS9Z+3QCIQDLuk+4XP4jJ24CLwmsKAf8Nk5K6+zM tN//XUFvKGOihQB2AKRQEmkFWhVUXmIRqze8ED9irlV2pF5LFxRFPhsiEGolAAAB ZV6AvgkAAAQDAEcwRQIgFZP6pWeO6nAwylLu+t5TXrR/TIbd9rExd6NLM03qR0oC IQCnPNgZJang9pqpsHa+xgWcRxkmW10cQPegMJwH5tmR/TANBgkqhkiG9w0BAQsF AAOCAQEAUsZXeqXsHu1BGEU1sQ9Dnl17wMToTJ/PQoTrJW9y5X96jXR36UEahBPg SKNU3TItI3Ime6xfXYo4G16UXXMjROHH4gKpbgEBhOjP1DMR/VGeTbmxdoiQrFGO 9sptz4Kl3PusLTB0R/HYW5X4UQXGKXjSUrUC3rcVb3klsTQHHRFwNCiG1JmMl/uA Q9OxlgwYNXpBE71yPH2MYhwjxzQshvzGZ7KtRY0HV6KuPSiMvFO9vV7PwWthq7FU b9RCvxdqLvpcevXseYIXBaSvphFhQhm1X0RcoV2xkpwmbxSFAeNEv7erxkgolLuF ekxUkrKhmFglZtFNH+UFoGnHK96tvQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzE4FK0aVdwXBbnF3C/sl 2KWzVR2VuV74CCsrEcQkKh8ByD9wCMpLe36qbuUV5CCwp36mNSzmKIR9WuE7kr/V Rifblo6BxdLe80imqWLoqAyJxt+fFDjBYSp0/oby5K0JWtYIjk8NdLsP7NP1NAk0 VuKLsxADtH2BFsZOaIpNTmlR/Lzr3arcHi+2Aipg/ETNV+sGXg4OT78QDMIC/2Y8 Ef5Sk1JuCE9BXIA48wf+Xw0Lmgt/8eKHIKt029yswHkbhzqCx555KpvMD9AxXnaA QZfkeF/0b1xPM5XzjyU0ERDIG74jVSA8F2vVl7vqXmjLWMzWZpq33D/WXPhf0TFr LwIDAQAB -----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 265995395131625590495252255417340933901776 . . . . . . . . [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 'Let's Encrypt Authority X3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-08-21 21:00:20 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-19 21:00:20 +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 'alpstark.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 25791087403461992041537620935043689780560685501909634447405000621836075006765017111329067632085477404731629229977507747130630168750367723357308718818138683183220140136709190655328364476318035842420175400241328190506064925477678996025929584497688003711976832050887454666569816096966595438057754502930182993273250833569435249757499123245043887939223331149080655495934617618749378316751079004580487984075845941082372100577990470689752966172441554399440426346934664894042215871141548741038174983433172148586955010453821762366162924348334245815063628642423530974704641543162252451356011420714439973893687887629117530663727 . . . . . . . . . . . . . . . . . . . . [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) babe5e3c548a0b3d9b144278b32f21afaaa2a813 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alpstark.ch' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alpstark.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 (246 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600c1164ae0a772d2d4392dc80ac10770d4f0c49bde991a4840c1fa075164f63360000001655e80be09000004030047304502200c71684f20252eb058d8a9c6c84e13e38e096622ab23a5fec2b9f00d2f59fb74022100cbba4fb85cfe23276e022f09ac2807fc364e4aebecccb4dfff5d416f2863a285007600a4501269055a15545e6211ab37bc103f62ae5576a45e4b1714453e1b22106a25000001655e80be09000004030047304502201593faa5678eea7030ca52eefade535eb47f4c86ddf6b13177a34b334dea474a022100a73cd81925a9e0f69aa9b076bec6059c4719265b5d1c40f7a0309c07e6d991fd . . . . [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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