alpstark.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:df:29:70:27:c6:3d:0a:5e:08:b4:aa:fb:8e:19:da:93:da 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:df:29:70:27:c6:3d:0a:5e:08:b4:aa:fb:8e:19:da:93:da
Serial Number (int): 337274906310445396582847512879488057381850
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cc:3b:d5:49:00:43:1a:6d:06:a1:3e:16:f0:51:01:15:a1:93:b9:c0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): c2:f9:12:b2:bb:93:a7:26:82:20:64:b8:9d:b6:b1:93:be:7d:f9:d0
Fingerprint (sha256): fb:fc:40:a3:00:9a:47:db:ed:3b:03:24:ee:68:f4:d3:34:df:b6:f0:82:56:27:08:b9:cc:2c:54:b9:99:05:ec

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check 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

Other certificates including the domain name alpstark.ch

(limited to 100 certificates)
alpstark.ch
www.alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
www.alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
www.alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
alpstark.ch
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-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArkw3GJhMfZ4fbUumbxZ+
PLYUkiBFcQFZdS456aTHLe+Zzu/+h5OkqcmQ5XF2p8FLio2UfXu7nd9M2GQLgHLk
f0p/mzDOQ8DJNI+MAYI8LFpT0pgWLZ8EGDSuRa0t+DRjPfY/tRId2znZiIqiEJa2
HLl4Scj1pQKMRX5c47qVAdNto83GsnP9cKgD5z46clTXrjHJjxt1QZn3Yxz7zXVw
H2A3+fJelnCqP5+icJrtJGRuj11EvbkLTXy7PT8p27ysPXCm0GqdDFNRfGjOTeGN
DmZA882wOOP0/Uh/dbhwI5T+LdFv7W1MKtXIgpnvY5j2LpVOghfB6oA4B+FoRVkV
3wIDAQAB
-----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 337274906310445396582847512879488057381850
 . . . . . . . . [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 2019-04-24 21:05:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-23 21:05:45 +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 22003048189344420665106706444967878580057480058427141888618674052730263067250578149185606592306702611854575050916633094725282530323359919305464188191942825637537221170664432981648617618662910745766812477978678559641298696698782292781119418728891325291670460408573539937198367202314019532917348095933755760285967496326031306179710135750028966827151298633187571676259704162994611777388414563003861244289320505337337067483599829608652229401430359680470893855532035112719541917935174598324041840550987485576030248597756731167455708879971693088897649692501477157353470395443399765971484349095227478444038901029486198330847
 . . . . . . . . . . . . . . . . . . . . [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)
							cc3bd54900431a6d06a13e16f0510115a193b9c0
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a51621e870000040300473045022100cde28291b3674b18a6d15fdbc2f06ca6f7b02a79c9b3500850bfa86fa3be88bf02202010852df8b3f3207ff29581b65009feb568ec16daa1daaefe80044d2870bea5007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a51621e760000040300473045022100f6b987f32176f06965cc2ad0266885741e16780a8e15900b5280d6be9f02e2280220331dd72ccc54267d4199b09c2642cf7f20f2932bfb64b1d8a4b77411a093a8b5
 . . . . [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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