colab.coop

Issued by R3

About this certificate

This digital certificate with serial number 03:40:ed:af:c1:c1:9f:06:55:95:11:78:63:ff:dc:f8:37:23 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:
  • 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=colab.coop

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:40:ed:af:c1:c1:9f:06:55:95:11:78:63:ff:dc:f8:37:23
Serial Number (int): 283430868895017374902533763801399967627043
Serial Number lenght: 138 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): a4:94:08:0c:f7:6e:1f:3e:e4:02:19:4c:7f:a6:94:87:8c:f3:85:47
Fingerprint (sha256): 11:1f:f6:df:f6:18:bf:72:8a:f3:3e:39:0e:c5:88:9a:8e:02:6e:e4:02:20:cc:86:eb:58:ff:18:32:2f:76:e4

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

Other certificates including the domain name colab.coop

(limited to 100 certificates)
stage.uor.colab.coop
vtlaw.stage.colab.coop
www.christiancentury.org
quiz.stage.colab.coop
favianna.dev.colab.coop
cc-cdn.colab.coop
mancc.org
coephi.colab.coop
shelburnefarms.org
colab.coop
concept2.stage.colab.coop
ea.stage.colab.coop
newsqa.colab.coop
uor.colab.coop
monitoring-staging.colab.coop
actuals.colab.coop
colab.coop
colab.coop
cc.colab.coop
culturalpower.org
cc-cdn.colab.coop
geddup.stage.colab.coop
lanysha.com
colab.coop
concept2.stage.colab.coop
stagev3.colab.coop
dc.patternlab.colab.coop
vtlaw.cdn.colab.coop
colab.coop
academy.coop
ea.stage.colab.coop
hypermediations.net
atc-staging.colab.coop
childcare.roc.colab.coop
favianna.stage.colab.coop
favianna.stage.colab.coop
colab.coop
colab.coop
api.newsq.colab.coop
atc.colab.coop
roc.dev.colab.coop
christiancentury.colab.coop
monitoring.colab.coop
vermontlaw.edu
colab.coop
app.dinersunited.org
community.performingourfuture.com
favianna.dev.colab.coop
vta-islandora.prod.colab.coop
cc-cdn.colab.coop
cc-cdn.colab.coop
cc-cdn.colab.coop
atc-summersunday.colab.coop
cc-cdn.colab.coop
upandgo.coop
academic.prod.suboh.colab.coop
colab.coop
atc-sql.colab.coop
academy.coop
atc.colab.coop
atc-campaign.colab.coop
hypermediations.net
community.performingourfuture.com
culturalpower.org
vta-islandora.stage.colab.coop
actuals.colab.coop
upandgo.coop
cc-cdn.colab.coop
cc-cdn.colab.coop
cub-islandora.stage.colab.coop
atthecrossroads.org
cc-cdn.colab.coop
co-oplaw.org
actuals-api.stage.colab.coop
atc-sql.colab.coop
favianna.dev.colab.coop
vermontlaw.edu
likelincoln.org
colab.coop
app.refm-valuate-site-production.kube.v1.colab.coop
academy.coop
media.middlewaycenters.org
accessibilityexchange.ca
culturalpower.org
uor.colab.coop
shelburnefarms.org
api.geddup.com
upandgo.coop
academy.coop
cub-islandora.prod.colab.coop
atc-staging.colab.coop
co-oplaw.org
communityenterpriselaw.org
atc-summersunday.colab.coop
concept2.stage.colab.coop
favianna.dev.colab.coop
favianna.stage.colab.coop
cc-cdn.colab.coop
app.dinersunited.org
ogrin.colab.coop

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 283430868895017374902533763801399967627043
 . . . . . . . . [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 2023-10-13 23:40:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-11 23:40:00 +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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b2ba036f400000403004830460221008bfb2ea57d590c7b54726d04128623712d3e64f4b28ed42455b6e490fa2120d5022100966691d22c9a41ca5f271e920907059e167985f3f5e14a895f1e1d2b9207ad7800770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b2ba037e40000040300483046022100a1bbc00423a10e50b05ea1181108ff6ff341a439e5ab783e7ee1893bfa63fd54022100d5b2e09b254b7010fff903f4259f584923f585b2c2c710d10ed1e4656023df2a
 . . . . [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)
		00b888a003e113e484e089d47b561b81d73d6f70c3a013bdcc6576a5277ee4ff528d6f1f906add7ef2c9559d6f615e1193d383dcc2451373c43ffea37c6a613d0a4628c2715718322ed0c5df7f88a40d6b2464f10ba3350d3b085bedf40bc0e5653971a5dd70e5045436c51616f9a55794dea644233c95332292967feeceb7251c3e7c94171dc9c72765dd2ca3b97b4f7c6a262f2d66f928229026cc45b036bfd01caf11734b0cefc5d9f4ffb796a180d9f24ac95d1acb4508b6f5d163d7a79ac6212631ae2fc8d6f0f03bc5a0331053bc0d9c9db7e5671f035d8481fb5f0bbb37a2e3cbad0ab50abb93a800c6432c1d2e56cacaed84afc370a3549bcf524f70d8