www.blym.org.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:ac:7b:60:31:6f:18:eb:f9:b7:e1:97:ee:3f:2f:91:2b:27 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=www.blym.org.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ac:7b:60:31:6f:18:eb:f9:b7:e1:97:ee:3f:2f:91:2b:27
Serial Number (int): 407141705344062475833095315773626682256167
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 05:e6:73:9c:66:60:51:13:39:0b:e1:6a:e4:f0:8c:60:80:47:04:57
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3a:f9:7e:c9:c7:89:b7:14:46:e5:09:fc:4e:7e:70:13:bb:a9:d5:d9
Fingerprint (sha256): e1:ec:61:60:5a:9f:47:dd:4a:75:f6:29:01:0b:9c:af:80:8e:87:7f:b2:63:0b:d1:c9:4a:e8:5a:b9:25:00:33

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

Revocation information

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

Check the revocation status for certificate www.blym.org.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.blym.org.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

blym.org.uk
www.blym.org.uk

Other certificates including the domain name blym.org.uk

(limited to 100 certificates)
blym.org.uk
blym.org.uk
blym.org.uk
blym.org.uk
blym.org.uk
blym.org.uk
blym.org.uk
blym.org.uk
www.blym.org.uk
blym.org.uk
blym.org.uk
www.blym.org.uk
blym.org.uk
blym.org.uk
blym.org.uk
www.blym.org.uk
blym.org.uk
blym.org.uk
blym.org.uk

Certificate

The complete raw certificate details for www.blym.org.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0YXRznjtnekqvk6XEmiR
z3XSxu3XUm3Q51LnQ8gx0hj0EDk2kbjYvUZ8QQk/avi2CfoMTkI+eto7vKYF2VBp
dE2yyMJyZ5S70aS5ZHD/oftu9WjN6xa8OIfmZodWAM9idzb7ByY+4wkvGhGxgD77
T1O7cjibUhpEwF+ltSp2H/b7WjkdyeM0Fvr5H0NQdGPbsxhu4JGfCm8GC1i84XrW
ntdYefmwTO+0rX2R2s0YPBhw12s2AjfjIwqK/An51M0n9MkevoHlJOSA9UiEDAN5
u1ENhghM9FmxzX/+BLioVBhPtc5ROod2kHs6CBtdKm9XmHtfuH7NJn8Jt0bD34hf
iwIDAQAB
-----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 407141705344062475833095315773626682256167
 . . . . . . . . [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 2023-11-06 21:53:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-04 21:53:04 +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 'www.blym.org.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 (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 26449794620788110258077628758931449857904155872454742585559433585586102160412323352804204695185295390405114617605203116572358646579640744951945665940228651823901914050283229178148560350422645204276914555391821081188349948087830663259595256900385840396912898443504741699869269944301346595205085983882932290043651068968977279191614438782143135712273951340200452905962749880560202096987030029420101850678254985581826868859452584528822622861020410174029410999892129648752830951042370653783134401237804544766285162890034251255237345838792082406617654545808103420732412784355720026792504219012254610594538751992727261962123
 . . . . . . . . . . . . . . . . . . . . [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)
							05e6739c66605113390be16ae4f08c6080470457
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blym.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.blym.org.uk'
 . . . . . . . . . . . . . . . . [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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ba6d6ef910000040300473045022100fbcd30fa26aa7af27e4e942b04c26ea7a6339fce1377d5330f60540ce9d0704f02200c727f45dcff01dd6639a83bffbc764371124fca5a329c0e8e1f5c8538afcc680076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ba6d6ef8e0000040300473045022100efeacc2dadb53e803bdbb0539fa397cc3b36813da4d337cedb42797087bc953102207af221c7a164b084101b7aecc5988b511ac13521551de48cc2c68f5e42a2a775
 . . . . [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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