pl.citizenlab.co

Issued by R3

About this certificate

This digital certificate with serial number 03:18:a8:40:50:8f:5e:9e:f2:1a:fc:df:47:b9:8f:49:d8:8b 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=pl.citizenlab.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:18:a8:40:50:8f:5e:9e:f2:1a:fc:df:47:b9:8f:49:d8:8b
Serial Number (int): 269727278845625754434795419925229465098379
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a9:36:5a:6a:2b:b8:59:60:bb:7f:59:1a:21:49:0b:57:dc:c3:b5:8d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 21:ee:b5:81:7b:de:0a:d1:dc:a7:57:0f:2b:2d:aa:01:02:94:a5:fc
Fingerprint (sha256): 1f:a8:0a:c8:0a:57:19:35:9b:4e:ed:be:cc:46:89:f2:3f:e8:b9:6b:11:a5:e7:9a:73:36:2e:ca:e8:c5:b1:3f

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

Revocation information

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

Check the revocation status for certificate pl.citizenlab.co

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for pl.citizenlab.co

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

pl.citizenlab.co
www.pl.citizenlab.co

Other certificates including the domain name citizenlab.co

(limited to 100 certificates)
*.citizenlab.co
*.citizenlab.co
*.citizenlab.co
citizenlab.co
*.citizenlab.co
citizenlab.co
*.citizenlab.cl
*.citizenlab.co
*.meinaugustusburg.de
pl.citizenlab.co
*.hq.citizenlab.co
citizenlab.co
*.hq.citizenlab.co
*.hq.citizenlab.co
*.meinaugustusburg.de
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api.inspire.citizenlab.co
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demain-mont-saint-guibert.be
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*.meinaugustusburg.de
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*.hq.citizenlab.co
www.zukunft-pfaffenhausen.de
citizenlab.co
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www.schiedammersmakendestad.nl
citizenlab.co
*.citizenlab.co
www.zukunft-pfaffenhausen.de
*.citizenlab.co
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*.citizenlab.co
jobs.citizenlab.co
*.hq.citizenlab.co
api.inspire.citizenlab.co
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*.citizenlab.co
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epic.citizenlab.co
citizenlab.co
jobs.citizenlab.co
*.sandbox.citizenlab.co
jobs.citizenlab.co
*.meinaugustusburg.de
demain-mont-saint-guibert.be
*.citizenlab.co
jobs.citizenlab.co
design.citizenlab.co
*.hq.citizenlab.co
*.citizenlab.co
on.citizenlab.co
jobs.citizenlab.co
*.hq.citizenlab.co
www.zukunft-pfaffenhausen.de
www.zukunft-pfaffenhausen.de
citizenlab.co
*.citizenlab.co
citizenlab.co
citizenlab.co
jobs.citizenlab.co
jobs.citizenlab.co
citizenlab.co
*.citizenlab.co
citizenlab.co
www.zukunft-pfaffenhausen.de
jobs.citizenlab.co
citizenlab.co
citizenlab.co
*.citizenlab.co
citizenlab.co
*.start.citizenlab.co
*.citizenlab.co
*.citizenlab.cl
demain-mont-saint-guibert.be
demain-mont-saint-guibert.be
*.citizenlab.co
*.citizenlab.co
*.meinaugustusburg.de
demain-mont-saint-guibert.be
*.start.citizenlab.co

Certificate

The complete raw certificate details for pl.citizenlab.co in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkVmh5/Is1UFGp1UYPI9H
rrAB8b99y6jBn3Q8Bf7MrjV9jq9x3z9Hjp27YXv4XHyAvWv4D6XGcuiCL3tInykb
JfymTFBvh3cmNDZTmgjQGYeGbgzOnFIx6SmT4wkLa/FQctW3ezshWiX6n8dZXb2v
5leobOSYQfxweGZHL1G/9lK5sq80b5IxvLB099OxlO7Z+sFxQ//xtjUpbwXtAevZ
WnPXbOIRoLUBZek4mjmPrYhQGQuoK4WVRTWlU65vNXDm+dE8Z/HCLHIX/DrMNIJ5
H5NoSJ4r47TkDsA/ot/gHJ3aqx7W02ZVhxdZXOQKuJQdLzUyMBPYOBBfUeP3wrMI
XwIDAQAB
-----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 269727278845625754434795419925229465098379
 . . . . . . . . [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 2023-12-01 21:10:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-29 21:10:29 +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 'pl.citizenlab.co'
 . . . . . . . . [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 18348753626271737844754010595728988287040204990319017258719560900328930299447263236593777932681524615622639940579341228493545328191647296486683678905042406076279069285433047658519065870617851888971309327966068153109124839650755048618862459216932495258143179019116957474563738408900065397178101095755844050867054329651676184450684015958652993979088294217033238214397088854358181349035345816629172943500597597527153033289801684822006787897575919705223964394959639648613656771848183452147537463426667511652886630986320925459730300300597347180392574743887352850828801071974382431205420177742905751208928569008164229548127
 . . . . . . . . . . . . . . . . . . . . [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)
							a9365a6a2bb85960bb7f591a21490b57dcc3b58d
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'pl.citizenlab.co'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.pl.citizenlab.co'
 . . . . . . . . . . . . . . . . [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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c276eed41000004030046304402207baa1e03312e794db68aed86d4097ba32e09659b5b94438aef07367815b1689502202a5b339127e08aaee05f66d6c30d9e477fa19d292841cec4d7d5501b4ad443090077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c276eed4c0000040300483046022100c7fa65cb4cdbd100a5b9d7eb7e6ed4196c3ae65dc732e719151558ee103377a5022100cb4f99308607f99f1d60d857927f119035dd811ea8e38e1a5e58f5d39869de7f
 . . . . [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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