www.bsix.ac.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:e5:e5:09:c9:b0:1f:54:8d:fe:e1:ac:f4:55:55:cd:9e:1f was issued on by Let's Encrypt.

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.bsix.ac.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e5:e5:09:c9:b0:1f:54:8d:fe:e1:ac:f4:55:55:cd:9e:1f
Serial Number (int): 426678249784360550460077008379463196319263
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2d:4c:19:e8:86:00:22:ec:3e:fb:2c:24:3c:91:37:65:37:46:68:51
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 30:05:7d:4e:95:f8:5e:80:f4:f5:33:f4:d2:fc:27:a3:21:e4:48:69
Fingerprint (sha256): 87:c7:e5:ee:1e:1c:4d:9b:76:b0:55:a4:bc:d2:67:a1:90:ed:b5:a1:f9:f4:9b:86:0f:06:64:26:71:7c:82:84

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.bsix.ac.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.bsix.ac.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

www.bsix.ac.uk

Other certificates including the domain name bsix.ac.uk

(limited to 100 certificates)
bsix.ac.uk
intranet.bsix.ac.uk
bsixexch200701.brookehouse.ac.uk
bsix.ac.uk
www.bsix.ac.uk
www.bsix.ac.uk
apps.bsix.ac.uk
www.bsix.ac.uk
www.bsix.ac.uk
www.bsix.ac.uk
bsix.ac.uk
www.bsix.ac.uk
www.bsix.ac.uk
www.bsix.ac.uk
bsixexch200701.brookehouse.ac.uk
www.bsix.ac.uk

Certificate

The complete raw certificate details for www.bsix.ac.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0H/NjdNuy5cdq+bBH9gb
TaJhLvuz0lxYB7R59dmYFs8yAoE+2SMrN4EQRIiyOenPVHgMgiDnoXEw/p+4euOq
HbFEzKg9KRZsqLa55dfRXPZO6fis3L0GTjBgEGlhzcTl/x71kFiBJ8Uk4TV4OjDX
706R3LY+zJDPL+5mIg4k8XNk0Dl7L8NHuldMLxIjRMZwWq5gY8yZODoZ4oXIO8c6
0jICWZO7wXtccWyJt4Q3PexW/J/tQWAuHjb1m8zJiJsXxvc8N1d/Ywf3wXH1u/Xn
mWvoM5FMUUtSCmRtS/n+X9LzuqRj/B+IrNRws2qm0uPlRhuKCj8yZC/wfX7LTNn8
XwIDAQAB
-----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 426678249784360550460077008379463196319263
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-14 13:29:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-14 13:29:16 +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.bsix.ac.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 26320589414149559697211204490374665092871482925970678936126397550268794176391972098179380841682866047301591265541576741548022691874852490027249907318872786926719065256830596705243359113670548930876649038597659729343932572438919176525884227246118537852415800399606076929168774564240400072283570570348710665232215001971437659573262778150973051380323971946667065568643461155357823230209572675739838355139363729097047716760793248313117438581694348499760326680762262726041329248937807406604616557332353169407892262309908001389429450664411661296734728279027885571383777706318340946280568803251558545338785337668228085316703
 . . . . . . . . . . . . . . . . . . . . [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)
							2d4c19e8860022ec3efb2c243c91376537466851
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bsix.ac.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f10076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c00000167ad1f1d30000004030047304502202d49f3ff72d53922e3e2c9eda2c62d30beb82f0aac2285b647e06a1e97e16995022100f3e9bcc0b24653e8f39b6a8714739d7e0846fbae6aaeae321061752aedc4892a007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000167ad1f1d0f00000403004830460221008053169994e7fecdb20886602c1d18294e55bd17dddef328d8dcbe603fa0e83c022100f4b79a9429b8e83b71d91c380dded2fb3347bd7f9a9e9e40719edae1fd79373e
 . . . . [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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