level-up.org

Issued by R3

About this certificate

This digital certificate with serial number 03:ae:80:2f:97:80:b7:6d:aa:7a:7f:06:0f:c9:e3:01:c8:a0 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=level-up.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ae:80:2f:97:80:b7:6d:aa:7a:7f:06:0f:c9:e3:01:c8:a0
Serial Number (int): 320716377933778676239130779693418960504992
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 71:09:91:f5:9f:07:a8:5e:26:60:14:f4:16:b6:f0:32:e1:db:72:8e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 00:6f:29:1c:8d:e5:fc:99:99:c5:d3:91:ec:7d:48:d7:04:09:59:44
Fingerprint (sha256): 50:14:a7:d5:7c:36:ba:20:6c:9e:a5:82:22:73:53:15:b5:56:70:4f:1e:be:cf:70:56:03:ba:97:9f:3e:8c:dd

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

Revocation information

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

Check the revocation status for certificate level-up.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for level-up.org

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

level-up.org

Other certificates including the domain name level-up.org

(limited to 100 certificates)
www.level-up.org
level-up.org
www.level-up.org
level-up.org
level-up.org
www.level-up.org
www.level-up.org
level-up.org
level-up.org
level-up.org
level-up.org
level-up.org

Certificate

The complete raw certificate details for level-up.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA7nBRyjGgkJaup4Z/Go+f
0T37TUf8S+1E6KwcAfMRHtBBwixwrRdI38c9ZpyuCAMpHAacKk19QwRocc+BcjSo
juAPl+8ER+EvEz04aJ8TdRT4tLpcKWVg0jwJKgEGBfMPngdvmvzHYJAvxOExuMAI
G2/Kr5Tr9P4bOmmPhLi/8LaT723/Xe4tdbJzDpwkXZ5OnBhiX4XZUa8iPlN6eCE0
8puuT1fAFerpk9KbwS200GHcyOqjJvtPDlcP6Li597CbRVgoUSNovl1+masCkq7J
0hnnhoUM/inS0Ayw2SJXOejw38yWnW8d6wbYa6ARe1bv7vihL3RINAZ/awbaEhCT
nwIDAQAB
-----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 320716377933778676239130779693418960504992
 . . . . . . . . [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 2023-11-10 13:25:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-08 13:25:43 +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 'level-up.org'
 . . . . . . . . [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 30100103387466930243118781020138583353760136063664670226754204268575001859753021788357064018535962210525858745317099760498402296587937510979758635208277469798449469925309474016126107268907365427938000766875420666980345038714187442438115403971740817581430145705149078851272988992762530150016241464328839687312979732893378253919709520530992750756179274062521698221769038786838376653720619982835988358517531526869237520338472173132062378269948660082369994196879466319029416785340383194605602855926878442624023922869454254310030177293195720647099351835310789535880011942359965007912620697314273513593749211700454560404383
 . . . . . . . . . . . . . . . . . . . . [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)
							710991f59f07a85e266014f416b6f032e1db728e
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'level-up.org'
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bb99fe06d000004030047304502201112a6ca19d08ac4d8c47e8f79b282de82ac7a697378b2663a73f2a445a4dd2d022100f6ade7ca4df0bef4fd7450614ab26253bd5a70358ceadf43d450987b0461634b00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bb99fe0aa0000040300473045022100d04154f411b6ee36f8b484e82a623428c067fd6ff8648dd267e468a262b8ddee0220610d21a5e6e54e38bbc5948d7582db73a1d4a63b8af73c6dbf5753778df5535a
 . . . . [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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