DV SSL/TLS Certificate for www.sperryn.co.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.sperryn.co.uk DV SSL/TLS Certificate

This certificate with serial number 06:cc:11:52:db:92:ed:94:79:8c:d9:b0:90:bc:21:91:db:74 for www.sperryn.co.uk 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 www.sperryn.co.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): 06:cc:11:52:db:92:ed:94:79:8c:d9:b0:90:bc:21:91:db:74
Serial Number (int): 592114345540192212221128673825697758829428
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: c1:68:f3:4f:4a:12:86:17:f5:8b:1b:0a:76:3b:d7:a2:e9:96:f7:71
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): e6:cc:92:c8:7b:0b:37:67:af:bc:11:db:16:d5:b6:f3:21:65:a5:68
Fingerprint (SHA-256): d6:cb:ee:b6:3e:e0:ec:0a:2e:71:4b:6b:93:54:4f:96:9d:e2:cd:75:d4:9a:e5:73:0c:cb:e2:c4:f8:e9:e6:b0

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/117.crl

Check the revocation status for certificate www.sperryn.co.uk
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.sperryn.co.uk

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 www.sperryn.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnYz61hW4L7J9j+31Fx3V
CAi3syFK7A+kKxlh8EJE/0LeqQ9cTtblTpQv8StO0tDOM1NgfblasRAzFcu7Ak9o
pBJR8dL6aIeLqgVQduQAmLnmV4ruzDKwPSg+BZesA4LQ6Lt8Zhj2LLoiXvVRxfTR
nz8z3RYsPuO3I3p7RaEIWqWOcWSv4b/6KCV3LZ5+h30+Ai8dFIITOq1K9MkTg8Rw
/DoQ4Bw5I8qvXX+zww04hJgid6wDORKeNAFomHoKmk50nlI+tDUKfgQJldYMijus
4Yu6YykTO4FKfYZIrEPm7iX5TCfjGMKUBecQpr5QUHQJnGoP1WoH8iFm9wksUlq5
2QIDAQAB
-----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 592114345540192212221128673825697758829428
 . . . . . . . . [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 2025-07-11 06:02:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-09 06:02:13 +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 'www.sperryn.co.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 19888933624473985675674676888042475890931783255479881550251439215169166402665425110434404990648435724766632320063561752092674915917938849212272842209934878600789002070752647464209679598265224500188560876856839715431803389995237223282303273242151392912860379524054011969648854364607675438299930714041113587845706694854178265915934837369111749453658634576977744591946441985610473200507539118937659774348767106548221684872419897125818748085693263469313969753994640908906099031588955869461636853164844503145396105694867581913555028874021959854651276662880024734565564617982048499873736688846479645367871387148040286157273
 . . . . . . . . . . . . . . . . . . . . [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)
							c168f34f4a128617f58b1b0a763bd7a2e996f771
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sperryn.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sperryn.co.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 (40 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/117.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)
							00f1007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197f8495316000004030047304502202831fad31741808eb2d748ff8385c3af58c5c6bdcc1325bf20c0287a63cb5e6a0221008c5154ed81cef13debc97dcab4fffccbd6c3947e43c3ead5a126ff6de19dd5080077000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197f849530d0000040300483046022100bf49a1f33e397713521c7f2306443a885425394aaa5c3c8c4e55e9cb2053e7fc0221009d27fed59bf5401e2adebc6351515d938eee95b7cd88e20eb33b697dad89b619
 . . . . [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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