DV SSL/TLS Certificate for ukas.group

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the ukas.group DV SSL/TLS Certificate

This certificate with serial number 05:ac:61:21:e8:1a:d2:67:17:81:4f:9a:d4:57:92:f4:78:83 for ukas.group was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for ukas.group provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:ac:61:21:e8:1a:d2:67:17:81:4f:9a:d4:57:92:f4:78:83
Serial Number (int): 494219107938234194192783449908643515103363
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: fc:8c:4e:57:a9:ed:95:9d:38:e3:ac:5e:f2:e7:dc:f2:e4:bd:a5:1b
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 34:20:5c:66:31:20:ba:90:24:8b:4f:49:3c:6f:9e:68:d8:9c:6e:f7
Fingerprint (SHA-256): ea:29:b5:ef:b5:a4:82:6b:db:62:83:9f:47:a5:3c:66:87:49:4e:2b:9e:1a:04:f0:e0:46:45:8f:cc:27:9d:1d

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/4.crl

Check the revocation status for certificate ukas.group
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for ukas.group

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for ukas.group in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw04fhClgR3dbnVvcJ+pc
8PPpCzAVPhahP56hzfKFhAfj9fhudDrI5QNkzy1QJ2oGmPYY2HjudmsH893RFr3d
neuUs3va9UPPOufk2ZtW11ZMKCl6p7L1bSWbpDPoPjyM+QUr55B+jF4+wDspLb7E
9JBdiFb4fom+xSwCgbHzuojF/bKzBfPUriERBf71O+YXwjIFuiXmDHGkgKFlwm8A
/Kz7yJQzvZlS6VkCtXV/XOL3nL4i0y0hmwssEYraOjoDtNAnTJ7j6XfAN1vVU5wa
Z+NiGpTnHJW8C6KX3K/mojv25OtWoEMO6kbphrv2Nol+2RTiG7mqdxuApTQJl+2V
4QIDAQAB
-----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 494219107938234194192783449908643515103363
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-25 00:01:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-23 00:01:52 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ukas.group'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 24654993409914979877231319212660879601821549588184782494103373231203368914768224789790954104247141207872546134723595289344280706644439125145513136158124240893941114844343192812419331244888213659757856575756156789410177703468432920940461970900954596681641510497371312250704464273751650851698750799625859515858584957291479470492868616910492743811415824004921874230477005734897765835366084363764261060586469026479355025202833130603395823776846595455471600170021802291472840106142583397824885740521711061927961861748247942579902173047115581014631133442959936762559701218730797421024271467926528681464736963801809035302369
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							fc8c4e57a9ed959d38e3ac5ef2e7dcf2e4bda51b
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ukas.group'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ukas.group'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/4.crl'
 . . . . . . . . . . . . . . . . [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)
							00f10077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa340000019704f486480000040300483046022100d97e265caf731d1471865c4d3a6bbc5ad37848da2f2b240aa61da4d50518864a022100c21d219e9b2ad30f4bba3ab59c84478dce34ad411e88e8fb089cf8b98e8140e700760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019704f48e200000040300473045022028b25d8f50dd0b0c9d22dbcaff69d025ffc57f3917928161d4d92ce10e03424f022100ce536e0e9ebebc299b101dfa7f528e3ba0e4723aa9777f4d7889a03b4ebd64dd
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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