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

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

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

This certificate with serial number 06:50:9b:9e:87:63:33:d0:f2:20:bc:c6:ac:c9:f1:c9:4e:eb for www.babybrains.co.uk was issued on by Let's Encrypt.

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.babybrains.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): 06:50:9b:9e:87:63:33:d0:f2:20:bc:c6:ac:c9:f1:c9:4e:eb
Serial Number (int): 550103158412471788337254396033034688745195
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: c5:0d:41:d9:36:7c:83:8c:c3:85:ce:90:86:2f:45:ca:08:52:17:d3
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): d3:dd:14:05:16:f5:44:c3:38:a2:49:0d:40:fc:f2:2a:d3:4f:a2:b9
Fingerprint (SHA-256): 45:9d:97:32:9f:bc:f5:3c:52:c3:d5:52:5c:1a:0d:3c:17:c8:36:30:d6:f1:ca:19:c8:e1:66:4d:fb:23:da:1f

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/108.crl

Check the revocation status for certificate www.babybrains.co.uk
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.babybrains.co.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

www.babybrains.co.uk

X.509 Certificate

The complete raw X.509 certificate details for www.babybrains.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvwv+t26elQRhFIGZYNFS
+qONsLV0yS7gdeOIin/7p/E2DXkN2kV4Bk9rf+SvGYGFXLX42+xnPWgcnMY/Ek8e
XYuu/vUpXd0lYlTP96yCbVDxS6HEjEi6+6BT4FAN2QH/TsEJfwbeG7v31NlGiXSm
qFcrmxxrZbWAf6P6VxwQyLsvA0v26Ra+Ytq1iVWfgG89Fat4HcCOs7WuIMg7pY/V
rO6NVeO+oGIyjEuWDEt/MC9r6SMObemdKDv+dMhn7/OZULzlayfQKhLZzKGGeTe9
tPQkgjlA2pBNiAQhH5PVaSZCrDyq+pjWTVL7blsFOE19WEMtUnNgWKAEDrs+O4Qh
fQIDAQAB
-----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 550103158412471788337254396033034688745195
 . . . . . . . . [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 2025-06-25 08:23:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-23 08:23:58 +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 'www.babybrains.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 24117431196789736409792956248118376699773668117623744448618706658022971596005283204993873323654156857141761882599923951494465747870327123952184360741144465766681383206540426943053146601764539949456831066275937753037032507304204519144020778397672442401839997063042391583508281139497039678536952743272024467839068685221586786466838549822670906289958359647873582554143734296727707824552844988733899930451212857122791236514855182354296735927824201689905367743330566151919677071509613977506125664839428675294003536442621147877827158411837144102792673032469388259525141989918392874413424759867978309441859714945412877263229
 . . . . . . . . . . . . . . . . . . . . [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)
							c50d41d9367c838cc385ce90862f45ca085217d3
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.babybrains.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/108.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197a6655c2300000403004730450220080c3511d920942737ebb8f1f7950c211440f6150cd60a4de35f7a6305e7cf4c022100b7c14629e86034deb14bec448fabb8e309dc50a6f4e5dfb4e4f72bec699d9fc9007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197a6655ccb00000403004730450220727d48777dd296013c1fe3c8851852e45eb29244d02ca1407410f20549454918022100824d3f7868c1282cab9c551949fa551f896806b63b1872576b540ab1b409ec31
 . . . . [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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