tuc.org.uk

Issued by E1

About this certificate

This digital certificate with serial number 04:e1:9d:b1:cc:cb:c9:c4:1b:e5:51:ad:7c:c3:8e:64:b7:8f was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=tuc.org.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:e1:9d:b1:cc:cb:c9:c4:1b:e5:51:ad:7c:c3:8e:64:b7:8f
Serial Number (int): 425222288269891653025796279059280690460559
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f3:34:4a:9f:14:95:6a:89:6b:3b:dc:d1:ce:8e:22:72:8c:a1:f6:78
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac

Fingerprint (sha1): e1:c3:35:e3:ad:95:74:07:57:52:4c:f0:6e:30:e5:0a:00:0a:cd:d4
Fingerprint (sha256): 26:6d:d6:f8:19:03:db:49:20:59:7e:60:9b:94:7d:16:71:7e:eb:13:61:d7:a2:ef:03:4c:00:0e:89:5d:da:f1

Issuing Certificate URL: http://e1.i.lencr.org/

Revocation information

OCSP Server: http://e1.o.lencr.org

Check the revocation status for certificate tuc.org.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tuc.org.uk

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA384

Key Usage

Digital Signature

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

*.tuc.org.uk
tuc.org.uk

Other certificates including the domain name tuc.org.uk

(limited to 100 certificates)
www.tuc.org.uk
ssl377128.cloudflaressl.com
ssl7568.cloudflare.com
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ssl377127.cloudflaressl.com
ssl377128.cloudflaressl.com
wtuclearn.tuc.org.uk
rdsportal.tuc.org.uk
ssl7568.cloudflare.com
ssl377128.cloudflaressl.com
wtuclearn.tuc.org.uk
sni.cloudflaressl.com
ssl377126.cloudflaressl.com
ssl377126.cloudflaressl.com
tuc-main.edge.bluestate.digital
ssl377127.cloudflaressl.com
ssl377128.cloudflaressl.com
www.tuc.org.uk
ssl377128.cloudflaressl.com
*.tuc.org.uk
ssl277822.cloudflaressl.com
ssl377128.cloudflaressl.com
*.tuc.org.uk
www.tuc.org.uk
ssl7568.cloudflare.com
wtuclearn.tuc.org.uk
ssl377128.cloudflaressl.com
ssl277822.cloudflaressl.com
ssl277822.cloudflaressl.com
ssl277820.cloudflaressl.com
wtuclearn.tuc.org.uk
ssl377126.cloudflaressl.com
ssl377128.cloudflaressl.com
ssl377128.cloudflaressl.com
ssl377126.cloudflaressl.com
ssl7568.cloudflare.com
ssl377128.cloudflaressl.com
ssl377128.cloudflaressl.com
ssl7568.cloudflare.com
tuc.org.uk
ssl277822.cloudflaressl.com
ssl377128.cloudflaressl.com
sni.cloudflaressl.com
congress.tuc.org.uk
wtuclearn.tuc.org.uk
ssl377127.cloudflaressl.com
www.tuc.org.uk
*.tuc.org.uk
tuc-main.edge.bluestate.digital
ssl277820.cloudflaressl.com
ssl377128.cloudflaressl.com
ssl377126.cloudflaressl.com
ssl377128.cloudflaressl.com
www.tuc.org.uk
congress.tuc.org.uk
ssl277821.cloudflaressl.com
ssl277822.cloudflaressl.com
ssl277822.cloudflaressl.com
ssl377126.cloudflaressl.com
ssl377127.cloudflaressl.com
congress.tuc.org.uk
congress.tuc.org.uk
ssl377127.cloudflaressl.com
ssl377128.cloudflaressl.com
tuc-main.edge.bluestate.digital
ssl377128.cloudflaressl.com
ssl377126.cloudflaressl.com
ssl277822.cloudflaressl.com
ssl377128.cloudflaressl.com
ssl377126.cloudflaressl.com
*.tuc.org.uk
ssl7568.cloudflare.com
ssl377126.cloudflaressl.com
intranet.tuc.org.uk
ssl377128.cloudflaressl.com
tuc-main.edge.bluestate.digital
ssl377128.cloudflaressl.com
ssl377128.cloudflaressl.com
congress.tuc.org.uk
intranet.tuc.org.uk
mail.tuc.org.uk
ssl377128.cloudflaressl.com
wtuclearn.tuc.org.uk
ssl277822.cloudflaressl.com
ssl7568.cloudflare.com
ssl377127.cloudflaressl.com
congress.tuc.org.uk
tuc-main.edge.bluestate.digital
ssl377126.cloudflaressl.com
ssl377127.cloudflaressl.com
ssl377128.cloudflaressl.com
ssl377127.cloudflaressl.com
ssl277822.cloudflaressl.com
ssl377126.cloudflaressl.com
congress.tuc.org.uk
ssl377128.cloudflaressl.com
Lyweb01.tuc.org.uk
ssl377127.cloudflaressl.com
ssl377126.cloudflaressl.com
wtuclearn.tuc.org.uk

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIDgzCCAwmgAwIBAgISBOGdsczLycQb5VGtfMOOZLePMAoGCCqGSM49BAMDMDIx
CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQDEwJF
MTAeFw0yNDA0MDEwMTA0NDNaFw0yNDA2MzAwMTA0NDJaMBUxEzARBgNVBAMTCnR1
Yy5vcmcudWswWTATBgcqhkjOPQIBBggqhkjOPQMBBwNCAAQLImMmXn6IpH6a+o6w
QE48up7EgmCROeqS/5Rb/e8C0oEUdAt6a0REtzNAgEzApO46l2c21y+k6bhm598x
ZSOXo4ICGjCCAhYwDgYDVR0PAQH/BAQDAgeAMB0GA1UdJQQWMBQGCCsGAQUFBwMB
BggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBTzNEqfFJVqiWs73NHO
jiJyjKH2eDAfBgNVHSMEGDAWgBRa8+0r/DbCN3m5UjDqVG/PVcsurDBVBggrBgEF
BQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9lMS5vLmxlbmNyLm9yZzAiBggr
BgEFBQcwAoYWaHR0cDovL2UxLmkubGVuY3Iub3JnLzAjBgNVHREEHDAaggwqLnR1
Yy5vcmcudWuCCnR1Yy5vcmcudWswEwYDVR0gBAwwCjAIBgZngQwBAgEwggEEBgor
BgEEAdZ5AgQCBIH1BIHyAPAAdgA7U3d1Pi25gE6LMFsG/kA7Z9hPw/THvQANLXJv
4frUFwAAAY6XZtdSAAAEAwBHMEUCIQCNy+SagWi/p01nEfXDuqRxDgC56VnRZegN
JDjNDbJ+GAIgSNjI6e70MkS4skrQVrXJ8vJZYiWQXulXvCSh+POV4kkAdgCi4r/W
Ht4vLweg1k5tN6fcZUOwxrUuotq3iviabfUX2AAAAY6XZtgyAAAEAwBHMEUCIQDM
wFRzvofpjID70ABZvsKmMif5h+nLVAktq5KYu5/u2AIgYdyaSHKtnmIWqztwcb5I
iOUh2beQ2mAYIVwG0RZRGXMwCgYIKoZIzj0EAwMDaAAwZQIxAM5XVJWekE0My6qt
L8r5OHMtHLxstQMDT8k/0vTXc5ikxQJNWRqmjJmXruTLnnh6lwIwG+sLPIF88lkb
q0xmztcEGYY0uRklexAD5uME56PnaK15FmcFojc/0LA1gONP5rJV
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAECyJjJl5+iKR+mvqOsEBOPLqexIJg
kTnqkv+UW/3vAtKBFHQLemtERLczQIBMwKTuOpdnNtcvpOm4ZuffMWUjlw==
-----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 425222288269891653025796279059280690460559
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . . . . . [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 'E1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-01 01:04:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-30 01:04:42 +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 'tuc.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 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00040b2263265e7e88a47e9afa8eb0404e3cba9ec482609139ea92ff945bfdef02d28114740b7a6b4444b73340804cc0a4ee3a976736d72fa4e9b866e7df31652397
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							f3344a9f14956a896b3bdcd1ce8e22728ca1f678
 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac
 . . . . . . . . . . . . . . . . [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://e1.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://e1.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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.tuc.org.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tuc.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e9766d75200000403004730450221008dcbe49a8168bfa74d6711f5c3baa4710e00b9e959d165e80d2438cd0db27e18022048d8c8e9eef43244b8b24ad056b5c9f2f2596225905ee957bc24a1f8f395e249007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e9766d8320000040300473045022100ccc05473be87e98c80fbd00059bec2a63227f987e9cb54092dab9298bb9feed8022061dc9a4872ad9e6216ab3b7071be4888e521d9b790da6018215c06d116511973
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . [c:0|t:3|false] BIT STRING (824 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 31758807251749123979668827772036122013159000912504716097675718003875862420997552116823658917048625135054922089790103
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 4296995051854056074801980116728964547033276399293240226352780876781101875240065902854405520306221583663103813792341