co2.citycontainer.dk

Issued by R3

About this certificate

This digital certificate with serial number 04:a5:64:e3:fa:5d:ff:22:91:03:93:cc:66:6e:5c:4a:92:97 was issued on by Let's Encrypt.

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=co2.citycontainer.dk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a5:64:e3:fa:5d:ff:22:91:03:93:cc:66:6e:5c:4a:92:97
Serial Number (int): 404729840798010792543650094886159028753047
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9c:7a:65:4d:2a:74:ac:fd:17:9a:ca:b6:c3:b4:cb:8b:2f:2a:26:02
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2e:9f:91:85:69:9b:05:fa:9c:0c:df:1b:c0:42:77:85:4c:0f:6f:96
Fingerprint (sha256): 95:6f:54:11:b2:ef:43:15:fa:a4:cb:e1:92:5f:2f:3e:48:dc:49:13:fa:e4:5d:33:73:86:68:a3:63:06:0f:be

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

Revocation information

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

Check the revocation status for certificate co2.citycontainer.dk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for co2.citycontainer.dk

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

co2.citycontainer.dk

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Certificate

The complete raw certificate details for co2.citycontainer.dk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE9jCCA96gAwIBAgISBKVk4/pd/yKRA5PMZm5cSpKXMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAxMTMwNDU2MTFaFw0yNDA0MTIwNDU2MTBaMB8xHTAbBgNVBAMT
FGNvMi5jaXR5Y29udGFpbmVyLmRrMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIB
CgKCAQEAqFDhMOaJQwPmJFeu9PXBd1yIAZVO6tm17m32UqmSg81RcUoHHjnXZa27
SuwP1Wextlma0eM3bZ3hQ7GTmMRwslVJbacPlPE77SEu0VpheN4gepld1yaBKZ8P
gMMHEn2bDiRrldN6E4ZuIPH2U1xSffHPSszTNbpeH+XQQ0W7vATqyJVC7PL7SNUc
yzkSgyNQwlEd9MA1zhF6x6ioaYcXN6C5X8Ktf+ioMJ9y4+V+BRyHjfboiV3XFXZ+
L0BJmuUhNvwL+520cKLsW3U6UQXFqa4fqmSBKcW1R+Dqjs4YV4QNF/0IhJpo85IR
yZc9+0NAKfg6DmRH4HONAxk2xL627QIDAQABo4ICFzCCAhMwDgYDVR0PAQH/BAQD
AgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAA
MB0GA1UdDgQWBBScemVNKnSs/ReayrbDtMuLLyomAjAfBgNVHSMEGDAWgBQULrMX
t1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0
dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVu
Y3Iub3JnLzAfBgNVHREEGDAWghRjbzIuY2l0eWNvbnRhaW5lci5kazATBgNVHSAE
DDAKMAgGBmeBDAECATCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2AO7N0GTV2xrO
xVy3nbTNE6Iyh0Z8vOzew1FIWUZxH7WbAAABjQFkXjYAAAQDAEcwRQIhAIFIyfTd
a7zOLoM+PtcnBo8aSiCXFobLbTFtLbP6UkUgAiB6MEQGA1YI3A6JaANFnsxRk7yK
8d+4BnsL8Tw8KBBVuAB3AEiw42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRz
AAABjQFkYE4AAAQDAEgwRgIhAPqj2J4LuJiTVep8bJnZ/Htpo0VDVANlY1FVbyex
UN2KAiEA22+zIX0sWbWKJrVdR0AGY3bkPIiKuso7jKbPMpnUPlcwDQYJKoZIhvcN
AQELBQADggEBAG+WTP+yGI9sdpe5UelN3qiRiReAoiXQfki5URvh4nweHpMGTVlL
JNdcrmJziWkH6smcYU6cjgXKwIqfv6NJBjJJWykI3BQyNA+HY3DehUi4l1rM7W5h
r0sGEM11kBl4mxLulat4dh0vW7YW/s+acNZivG0x0ClAnltDYtUWU6I+NUkkYSbk
/fWk6vLBXw6RqUzviycAaGZANIF2BWLXyBsL4OA5/7b//1/ZkOt+h2jYqauC0ATN
l341Zer9HcfUk1K/7W7xUbNeOR35crPjRlvrQzRvN2e9J6uihvxE6KzAxGa2txHk
6/FDaWNwMuzyS5TIuFNAtqH2mV/qky258TM=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqFDhMOaJQwPmJFeu9PXB
d1yIAZVO6tm17m32UqmSg81RcUoHHjnXZa27SuwP1Wextlma0eM3bZ3hQ7GTmMRw
slVJbacPlPE77SEu0VpheN4gepld1yaBKZ8PgMMHEn2bDiRrldN6E4ZuIPH2U1xS
ffHPSszTNbpeH+XQQ0W7vATqyJVC7PL7SNUcyzkSgyNQwlEd9MA1zhF6x6ioaYcX
N6C5X8Ktf+ioMJ9y4+V+BRyHjfboiV3XFXZ+L0BJmuUhNvwL+520cKLsW3U6UQXF
qa4fqmSBKcW1R+Dqjs4YV4QNF/0IhJpo85IRyZc9+0NAKfg6DmRH4HONAxk2xL62
7QIDAQAB
-----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 404729840798010792543650094886159028753047
 . . . . . . . . [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 2024-01-13 04:56:11 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-12 04:56:10 +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 'co2.citycontainer.dk'
 . . . . . . . . [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 21247918477371476461602137855417661599217665169050957882874992878502333624949841663963944198744692950302612069830502734064585342795325052123920986045369238529870292705738526101708547493911531910595026011679698038265653215574233716175864240257650313834687103238652533906941305066460163939760144182870260866703928530000181323996242070163408247795830139144630785206726948057470592926668690121266479372602902277930649587487510774694392696720372957954632818689328004554684379616422561087073359662597559645204470959424185402664097956137044466147093766923293919972537548019771591433878907106589060757547270192175068227745517
 . . . . . . . . . . . . . . . . . . . . [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)
							9c7a654d2a74acfd179acab6c3b4cb8b2f2a2602
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'co2.citycontainer.dk'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d01645e3600000403004730450221008148c9f4dd6bbcce2e833e3ed727068f1a4a20971686cb6d316d2db3fa52452002207a304406035608dc0e896803459ecc5193bc8af1dfb8067b0bf13c3c281055b800770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d0164604e0000040300483046022100faa3d89e0bb8989355ea7c6c99d9fc7b69a345435403656351556f27b150dd8a022100db6fb3217d2c59b58a26b55d4740066376e43c888abaca3b8ca6cf3299d43e57
 . . . . [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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