colab.coop

Issued by R3

About this certificate

This digital certificate with serial number 04:24:8f:2a:06:3a:09:e1:53:19:cc:5e:eb:a7:3b:11:9e:31 was issued on by Let's Encrypt.

With 3 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=colab.coop

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:24:8f:2a:06:3a:09:e1:53:19:cc:5e:eb:a7:3b:11:9e:31
Serial Number (int): 360889606742352821517330199236390432120369
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 50:b4:79:a6:9c:55:8b:d6:6d:c5:1e:ce:85:90:44:e7:c3:7c:cf:79
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b8:34:df:2c:a5:dd:48:c6:65:a7:45:39:fc:09:63:e4:0c:f6:fa:ce
Fingerprint (sha256): 08:d2:73:7d:d5:6b:e4:d5:7c:4a:e1:b2:2e:4f:ff:ab:bb:ae:52:2e:bc:0a:f2:9b:60:d4:8d:b8:1f:d9:7c:9f

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate colab.coop

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for colab.coop

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

app.colab-site-production.kube.v1.colab.coop
colab.coop
www.colab.coop

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Certificate

The complete raw certificate details for colab.coop in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxnSmhY1h/sEVnWRPRUyM
gL/MBmXPNLP8+Xi6LStNJvQdWXlA0Jg5abYvTvi3Cum7i7oPHX6sdojqcdFINXhU
qyQMwijrNHlmj2zVO+llc0o34hMLdHgTIf5tgPKUcD6bU+0XlzVeJ+0NGir9h+Zu
+88XSDTA79zvwNb+LthuleB4VguUKZ6MAaiw9KLFsQvWW0yF42keZd+O6ZJfWGVb
+NYUxyryC3g4ykUf4drjc+sV1nxOjZR4OKc5Y9xd/3yx7HatbzWYr+CkCqhYR6xW
n4eD5dHeX4PudxZm0p1QqNKZS1sPmlOE0gracLYXE6ai0ZyU9tCbP0pTKCu4OCvm
YwIDAQAB
-----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 360889606742352821517330199236390432120369
 . . . . . . . . [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 2023-08-15 00:39:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-13 00:39:31 +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 'colab.coop'
 . . . . . . . . [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 25052706876565412416557661504914782093729630864274410030993138608525241024294644711197073840413176561400752386710724510190589823291970383003052378143983404485079636350554145915128458545147805906953948450558222220406509399576119441499136751340999444148139025893690580879198989047296833675461157963799065525875019452450272095537500238654047653989966006164009263407506527860473267321689745142176181522658977214933627168335822151379098374730303145642366342176861626373222230824130944892267842051591248369884474138706137778132527341192588778992349539649904144003578269479029536698593163138249089785545983444424652598535779
 . . . . . . . . . . . . . . . . . . . . [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)
							50b479a69c558bd66dc51ece859044e7c37ccf79
 . . . . . . . . . . . . . . . . [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 (76 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.colab-site-production.kube.v1.colab.coop'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'colab.coop'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.colab.coop'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189f6d924e60000040300463044022053309bd911afff65687bdcf2161840bdcb2e7356e6d93b7f50568e2eacafc7a202206a24fe59b4e20ef497c3ebb251376f955baa7589bf860b07a4a07a356855149f007700e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189f6d924e00000040300483046022100a4dfc57edee2265731675e6c30ae5cc0c775e9fb8c71d28d92e5ae521a756319022100c8908df84c1262245f10c648021befd27ce26dc03cd17b8998be9423a58cdbb1
 . . . . [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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