DV SSL/TLS Certificate for rscp02.hosting.zen.net.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the rscp02.hosting.zen.net.uk DV SSL/TLS Certificate

This certificate with serial number 05:a0:5b:7e:0f:6a:8f:32:94:55:74:1f:ee:8c:c5:74:0d:cb for rscp02.hosting.zen.net.uk was issued on by Let's Encrypt.

With 4 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 rscp02.hosting.zen.net.uk 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:a0:5b:7e:0f:6a:8f:32:94:55:74:1f:ee:8c:c5:74:0d:cb
Serial Number (int): 490128222655850636904443965587073881345483
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 7d:71:c5:67:b2:63:0e:ec:96:e9:dc:2c:ac:ca:45:71:32:e7:3c:d9
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 64:d2:1f:1e:62:95:f3:66:d6:94:f3:2e:79:eb:5b:06:41:72:40:41
Fingerprint (SHA-256): e6:4a:ad:80:97:2e:c0:98:d9:3a:85:6c:2f:49:51:1e:d8:61:64:54:3a:74:3b:7a:bd:40:1e:70:4a:fb:f7:ab

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/76.crl

Check the revocation status for certificate rscp02.hosting.zen.net.uk
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for rscp02.hosting.zen.net.uk

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 rscp02.hosting.zen.net.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3vJEcfNEYreh6vnpcNqi
wXJjUIXbBJogJ/+XtJNVJg2RNEsrMX5PL5d1LxWsztWHMRFJorRpBpes9fyGjgyP
/LDR+ctrgE9jNU7rR3OrBd+oMeM6+X3IahWf9TUOuBpef5Gj5/djvrUmKQVx5rKw
SjK4EGiEiPEr078O4JDHBF9/vRjluuDgkrANWAiwLKS34M21sQ2XL9iE1jaX0M/6
QMf7tF74OxVWdj06pyRNnEFI7Qe9+L4xiOpvIqGjUJ+IMxYqrr4r4ZKa2EIaZ7Hf
Ce8PFoGhTnV5LzBBVL4f3sohtXamq4fGVUJ/S8qLqR4VqRqZuvg3FD7v349Iar8f
iQIDAQAB
-----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 490128222655850636904443965587073881345483
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-20 16:04:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-18 16:04:58 +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 'rscp02.hosting.zen.net.uk'
 . . . . . . . . [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 28144370192103739855666546620251743802578794444393807484150068812783903151896612522665308391873405293154445828579746386836773216854261195343651604415652647461799140438161844354347209708569746673067804626624136272823652418614590365879896528780732475478896020533322403526029496235496587675476706627843288686812632811585799265744685727565489132420087236485453301730384391588081495793806454926044333618604641079303207103586669929538156043443015633183378781127331993204284911147649366807603388943165324101106591041538588589397937683152104494961760440585369973556998906987486255873520574019455474875795046275662500310491017
 . . . . . . . . . . . . . . . . . . . . [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)
							7d71c567b2630eec96e9dc2cacca457132e73cd9
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (124 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ipv6.rscp02.hosting.zen.net.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.rscp02.hosting.zen.net.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'rscp02.hosting.zen.net.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.rscp02.hosting.zen.net.uk'
 . . . . . . . . . . . . . . . . [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 (39 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://r10.c.lencr.org/76.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000196eea6773b000004030046304402203e4f2e60468704a0bc901e68a8ac7a6ae08124922f0453e9115e6179c70a437402207a78b5fa78cf5caca287e60d60b07540dc17e446a9f747f09956f4794c534d790076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000196eea67f1b0000040300473045022019d7d56117f273ef85391a8c8dd86eebf03cd447864e347ff336ef8df77d75270221008d3214a6a5ee370032ab5641e5d7e5c054198c54ec0f5d567419da2e58447ba6
 . . . . [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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