ucb.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bb:10:ec:5d:6c:97:06:0b:f2:55:49:74:dc:81:0d:d4:17 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=ucb.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bb:10:ec:5d:6c:97:06:0b:f2:55:49:74:dc:81:0d:d4:17
Serial Number (int): 324992155334354879718409671836847169197079
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 41:85:69:05:8a:ba:e9:ed:16:da:ed:81:a5:3e:a2:52:b3:04:9b:31
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 6b:8f:ba:6a:49:1a:04:9d:58:dd:2d:71:54:a8:08:6c:90:88:c0:02
Fingerprint (sha256): bb:1c:6b:b4:4f:2f:2d:ba:69:78:39:5e:87:7a:1b:0f:00:d4:db:4a:97:54:3b:b4:b8:cf:57:b0:50:74:e7:12

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 ucb.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ucb.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

ucb.co.uk

Other certificates including the domain name ucb.co.uk

(limited to 100 certificates)
*.ucb.co.uk
ucb.co.uk
appeal.ucb.co.uk
servu.ucb.co.uk
*.ucb.co.uk
*.ucb.co.uk
ex.ucb.co.uk
podcast.ucb.co.uk
ucb.co.uk
servu.ucb.co.uk
ex.ucb.co.uk
ex.ucb.co.uk
servu.ucb.co.uk
servu.ucb.co.uk
ucb.co.uk
ucb.co.uk
ucb.co.uk
ucb.co.uk
*.ucb.co.uk
ucb.co.uk
*.ucb.co.uk
ex.ucb.co.uk
podcast.ucb.co.uk
vmicollab.ucb.co.uk
ucb.co.uk
podcast.ucb.co.uk
ucb.co.uk
podcast.ucb.co.uk
podcast.ucb.co.uk
ex.ucb.co.uk
rd.ucb.co.uk
ex.ucb.co.uk
ex.ucb.co.uk
rd.ucb.co.uk
ucb.co.uk
ucb.co.uk
ucb.co.uk
podcast.ucb.co.uk
servu.ucb.co.uk
ex.ucb.co.uk
ex.ucb.co.uk
rd.ucb.co.uk
podcast.ucb.co.uk
vmicollab.ucb.co.uk
*.ucb.co.uk
ucb.co.uk
ucb.co.uk
ucb.co.uk
servu.ucb.co.uk

Certificate

The complete raw certificate details for ucb.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwazAixRx+kEg5PdzKum/
Y8nBPB35ydLRU0qz/Pv+/jio8VZ4wLZS9H6LndUpwXj8D5R64Mnbf35bbdXNqio4
dgd5IwfRE16PXKiorhPJYP4Z/DP1p0zNLu54ieHlhyIuqIPx4uhIU05Epgs31keh
R1nZQqxHF+Z/LJBd6CuBnPta2p7fn1bW4oaAA0Zn2crcOsdzj8vCDkqCt3toUlE6
lIl8bxLUMaLnevoAKRtK6yFE9DwYQyHOZTXzqF/CQVnYstFk0TA+5wEr5BVJRn/c
S87+BJKa+4IYwZ6bm3j31Ic3PDOFynZRW/zJiN5zcXQ2w6gAxFY783SLXVt991ky
bQIDAQAB
-----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 324992155334354879718409671836847169197079
 . . . . . . . . [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 2019-08-28 07:21:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-26 07:21:46 +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 'ucb.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 (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 24449180104873510125945747234191090672953492708586794043450444827835177763678798099954180585386519214709854498705791725705506815591523154300536116358159019139336700254574207654466994704334425036589366787910496922556673385954849915893297005052523547380636126631948334759520591044397565162642328547260202868212367411650891559664684701213160503560240780126275890890554454787719223576208806086976551476059272589922787712608968049479844871234453701724576801617798002190139524453690498898601619877825065911639791247110609716968911306719484270290595124247854446355268856927105144011784780413251168113468064104400201298031213
 . . . . . . . . . . . . . . . . . . . . [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)
							418569058abae9ed16daed81a53ea252b3049b31
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ucb.co.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)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016cd7510506000004030047304502203b3b4e989f27010610ab7eb9e1626f3fd9ac60f247191e454828a5e488ebea8f022100a217f88c04e4d180aa998dec80078118827b6c2f200e1fe1d15f8531432d0a3300770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cd75105250000040300483046022100d62b09fd68a5e87047a78cec814c13ac551b7f88a0b1a5e75aa139b39062f7cd02210082b8897a8db300f20da4427e7dbede8470aba444eb68aa9ea7d26bbd605aaa44
 . . . . [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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