portal.clf.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:b2:92:ee:97:9a:00:57:b3:a9:9e:70:e3:9e:39:70:7b:96 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=portal.clf.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b2:92:ee:97:9a:00:57:b3:a9:9e:70:e3:9e:39:70:7b:96
Serial Number (int): 322102425236089808646349690255006424398742
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 38:81:74:dd:5f:0b:10:0b:be:04:9c:e9:42:19:4c:0f:52:ae:91:47
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a3:ca:54:e8:87:e3:a1:ec:f8:ab:2b:c1:7c:27:0e:dd:29:c5:e9:2b
Fingerprint (sha256): f2:d6:9d:b3:07:b6:d0:c1:13:a4:12:9d:12:89:b3:2a:c7:f9:f5:a0:9d:a7:8f:f7:a0:ee:00:f8:ad:5c:6c:2d

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 portal.clf.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for portal.clf.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

portal.clf.uk

Other certificates including the domain name clf.uk

(limited to 100 certificates)
clf.uk
jca1.clf-vps-001.clf.uk
hwa1.clf-vps-001.clf.uk
hwa1.clf-vps-001.clf.uk
clf.uk
tls.automattic.com
hpa1.clf-vps-001.clf.uk
clf.uk
clf.clf.academy
tls.automattic.com
staging.p161.clf-vps-001.clf.uk
clf.uk
*.clf.uk
staging.template1.clf-vps-001.clf.uk
clfhelpdesk.clf.uk
*.clf.uk
clf.uk
sa1.clf-vps-001.clf.uk
*.clf.uk
sni.cloudflaressl.com
bfa1.clf-vps-001.clf.uk
jca1.clf-vps-001.clf.uk
*.clf.uk
clf.uk
clf.uk
tls.automattic.com
wfa1.clf-vps-001.clf.uk
ba1.clf-vps-001.clf.uk
koa1.clf-vps-001.clf.uk
epa3.clf-vps-001.clf.uk
staging.p161.clf-vps-001.clf.uk
broadoakacademy.clf.uk
ba1.clf-vps-001.clf.uk
clf.uk
sts.clf.uk
tls.automattic.com
clf.clf.academy
clf.uk
clf.clf.academy
sni.cloudflaressl.com
staging.p161.clf-vps-001.clf.uk
tls.automattic.com
bpa1.clf-vps-001.clf.uk
ba1.clf-vps-001.clf.uk
dssb1.clf-vps-001.clf.uk
clfhelpdesk.clf.uk
jca1.clf-vps-001.clf.uk
bfa2.clf-vps-001.clf.uk
hwa1.clf-vps-001.clf.uk
tls.automattic.com
demoslider.clf-vps-001.clf.uk
broadoakacademy.clf.uk
bpa1.clf-vps-001.clf.uk
clfhelpdesk.clf.uk
clfhelpdesk.clf.uk
wfa1.clf-vps-001.clf.uk
bfa1.clf-vps-001.clf.uk
clf.uk
hpa1.clf-vps-001.clf.uk
hva1.clf-vps-001.clf.uk
clf.uk
sa1.clf-vps-001.clf.uk
tls.automattic.com
portal.clf.uk
clf.uk
clf.uk

Certificate

The complete raw certificate details for portal.clf.uk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFUjCCBDqgAwIBAgISA7KS7peaAFezqZ5w4545cHuWMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MTMxNzIyNDlaFw0x
OTExMTExNzIyNDlaMBgxFjAUBgNVBAMTDXBvcnRhbC5jbGYudWswggEiMA0GCSqG
SIb3DQEBAQUAA4IBDwAwggEKAoIBAQDW/yhpcvGC5rt6Y9ltYSzA7EZVott/G7zt
ZMfnJuwEuszucKlHwXznaGbzRSveHl/uMfyKIfRrD6QfhusyO8vPEAWh6UJZj5M2
K/Gxr03YyMloTKyPxwUHnjf8+aVHi9OdvwCPRAajQEu4Wa+U2nhqflNdjzrCkZXw
8a0EV+Xt6SrDKuxDA1ijn9o6uLi8FO4IADs/0Rw8NsfZru+ZT332cXz6jftfUpE7
/hc1I/HDeI1toungkx+TS6J4J5NyKxAYtrXM/aMH8a3vWcaB8QMfgTBoaftdTHjA
NwDHS1paGt40yXKyrec3NpL5o5mJvMzTxXm/4AZxFPCcbVhW8CKzAgMBAAGjggJi
MIICXjAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUF
BwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFDiBdN1fCxALvgSc6UIZTA9SrpFH
MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMw
YTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9y
ZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9y
Zy8wGAYDVR0RBBEwD4INcG9ydGFsLmNsZi51azBMBgNVHSAERTBDMAgGBmeBDAEC
ATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNl
bmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2AOJpS64m6OlACeiG
G7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABbIw36EkAAAQDAEcwRQIhAPs1m0nEA+5D
eOW7FbRP9PAV2gU+KAuq/LrfEoeE/mGzAiA1hETLYAxZbiIOcU8E+x8Cw2GzM+ED
N0e2u6xDQJA7EQB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAAB
bIw36FIAAAQDAEcwRQIhAMFk6n95HLOJR4yy/3Rigrpquvxy3R2oSoZ6ZbZHzjAP
AiBxlwLM1J4e7ZUwHuXRjwAKJW5g6guLgUvN5j7WPA3RAzANBgkqhkiG9w0BAQsF
AAOCAQEAke8FAlU/wWI+nbpEcuIuiLX7wOE5F5nktr5CEV1BnYBszv9IcGOJU9E0
v3QSMLWpk91j23vJIBqo2dBaBp3yvUdR9HhfMbY3gZfDEagiuxXCju7Oddd/LeEI
W6cVjrYHOKGmVD4cP3IVplN7EksMsMiZAfNcGAMfv+BW8u61uRuEzciC8jtJIo8I
mO7U92dGIUZwBtE53JajOUQDK/khKVsmXB5QQfPpHWpRa8CRbyGHx7p5VCpHSh2o
sFmzEmFgeUeWH5MC5Zbe+ycCAlxXxNSfHx1FUqjA0t8UXW2HI+5pJY+aFeBEnnPI
SiE0dT0fDWdCEH4WQuc+rx5MWTpOEw==
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1v8oaXLxgua7emPZbWEs
wOxGVaLbfxu87WTH5ybsBLrM7nCpR8F852hm80Ur3h5f7jH8iiH0aw+kH4brMjvL
zxAFoelCWY+TNivxsa9N2MjJaEysj8cFB543/PmlR4vTnb8Aj0QGo0BLuFmvlNp4
an5TXY86wpGV8PGtBFfl7ekqwyrsQwNYo5/aOri4vBTuCAA7P9EcPDbH2a7vmU99
9nF8+o37X1KRO/4XNSPxw3iNbaLp4JMfk0uieCeTcisQGLa1zP2jB/Gt71nGgfED
H4EwaGn7XUx4wDcAx0taWhreNMlysq3nNzaS+aOZibzM08V5v+AGcRTwnG1YVvAi
swIDAQAB
-----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 322102425236089808646349690255006424398742
 . . . . . . . . [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 2019-08-13 17:22:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-11 17:22:49 +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 'portal.clf.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 27140820292509825862866592693813196995150028485304913137056794936100655372719816270948292035241164461525788816188258839527088999305182260573175337974842102289869055657153843424871295142477461105884458691236432463525063630824462709498431486553807438464923033408119405305944169925951161383848855293611106673658519276260422380440842920533228902714293658157558668199657904930798117258056151233643413741949404935788718767395819219015680996393328521139301278653470250341448313878430161305372341465299299574469753842980168279902929830916114216309661296952635996612451984071504190897239926044780792633759119769985083662934707
 . . . . . . . . . . . . . . . . . . . . [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)
							388174dd5f0b100bbe049ce942194c0f52ae9147
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'portal.clf.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016c8c37e8490000040300473045022100fb359b49c403ee4378e5bb15b44ff4f015da053e280baafcbadf128784fe61b30220358444cb600c596e220e714f04fb1f02c361b333e1033747b6bbac4340903b11007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c8c37e8520000040300473045022100c164ea7f791cb389478cb2ff746282ba6abafc72dd1da84a867a65b647ce300f0220719702ccd49e1eed95301ee5d18f000a256e60ea0b8b814bcde63ed63c0dd103
 . . . . [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)
		0091ef0502553fc1623e9dba4472e22e88b5fbc0e1391799e4b6be42115d419d806cceff4870638953d134bf741230b5a993dd63db7bc9201aa8d9d05a069df2bd4751f4785f31b6378197c311a822bb15c28eeece75d77f2de1085ba7158eb60738a1a6543e1c3f7215a6537b124b0cb0c89901f35c18031fbfe056f2eeb5b91b84cdc882f23b49228f0898eed4f7674621467006d139dc96a33944032bf921295b265c1e5041f3e91d6a516bc0916f2187c7ba79542a474a1da8b059b31261607947961f9302e596defb2702025c57c4d49f1f1d4552a8c0d2df145d6d8723ee69258f9a15e0449e73c84a2134753d1f0d6742107e1642e73eaf1e4c593a4e13