www.blym.org.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:1d:7b:68:66:98:8b:1b:02:88:d4:4a:a3:53:ae:42:d3:5d 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 03:1d:7b:68:66:98:8b:1b:02:88:d4:4a:a3:53:ae:42:d3:5d
Serial Number (int): 271369083559234298998719744057958667047773
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 43:c8:9a:73:13:fd:54:ec:a4:1c:7e:f4:4a:96:bc:55:64:69:92:0b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4a:10:6a:b4:a5:8e:42:55:c6:24:6a:3b:4d:e9:e2:1e:26:64:c6:04
Fingerprint (sha256): 87:ef:9e:72:8c:01:f1:cb:8b:3b:59:d2:44:a9:88:98:d6:31:97:bc:0d:92:b9:f0:eb:a2:a3:f5:9f:3d:09:02

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtIaw2jG8l92HegoRemFM
mu5iY8tMjBeD0mBKwfiKP4oL+jpB+2/N94Xbk+5S5n0C+p3obP9lOVKwGDI6CGm9
wfpeYq6q9K020mouauDLg3oVDUPVAUos0FmSsOJo82GaoVVnteJbS4GQpHqPOTUK
crl4JFViuUNW3V6CaoAvXr8PAs2xcu9zBy+SwZ5lqlBDV8OzapdhKIuSPKAG80JB
RjTrsYv66FZHNQul0ndVVhY4BZ7gD3+69z4L/kxDHK0dyFeC0vAxfXw0Pf7iNPhE
YqGwdfx6LbPXd2Dg0yy3lAduL8S7jDB10Fi2SVsmeI0MSJxKvTYwHaFLGUQa1c6q
PQIDAQAB
-----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 271369083559234298998719744057958667047773
 . . . . . . . . [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 2023-09-06 21:53:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-05 21:53:05 +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 22789313417310371076975681047893761803810083355172150428203801996796230895476008717788946361117806427894314201895569720515039205724994595424521380406423784942017770903791972159204464718259253444217911618555210717293836686180501818266768300616783950339051790386222024088998927881991144364014143579724226937122879229965165495538481755503392771201842211629667691464811694072277387365230835374689433093479401385268864058356817200181610027742825994837616382680583309861456204856532708133596698211873162252062198269685226348127117230310658350366966460222189826455678322529134330615011349508250603300201845664285230896163389
 . . . . . . . . . . . . . . . . . . . . [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)
							43c89a7313fd54eca41c7ef44a96bc556469920b
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a6cb3052200000403004630440220288ceab4a89b00ac8db048df3249129c1e38876ba5c24239264f9cf715326a6b0220372d4db371366f495e19254b5003e646594c8cdcbf12a0d8d7092e07eaccd339007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e0000018a6cb30561000004030047304502202d749b2402e016d0f19b5932f14c09e7f137976fd72a8e89042f1b293d356066022100ca9c0cf628782c530ba59444a7b5c511242ec43b1e4fadd7450b8b0233ab3132
 . . . . [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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