DV SSL/TLS Certificate for cpcontacts.markpayton.co.uk

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the cpcontacts.markpayton.co.uk DV SSL/TLS Certificate

This certificate with serial number 06:f3:5b:2d:d4:1d:0c:64:85:02:54:1f:9f:8d:55:50:c8:5d for cpcontacts.markpayton.co.uk was issued on by Let's Encrypt.

With 11 subject alternative names, this certificate can be used to secure multiple FQDNs. 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 cpcontacts.markpayton.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:f3:5b:2d:d4:1d:0c:64:85:02:54:1f:9f:8d:55:50:c8:5d
Serial Number (int): 605483528455496875940906267655571256690781
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 33:00:81:8f:44:91:1e:69:ea:2f:4c:e9:ea:e1:68:58:86:b4:09:3d
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): 81:31:d5:44:61:9b:2e:3f:72:92:04:5b:28:2e:21:75:07:45:98:28
Fingerprint (SHA-256): 76:06:bd:22:80:e9:5c:62:96:e2:4a:42:4f:94:c0:f1:cd:26:90:a0:32:6d:18:cd:80:fd:ee:17:48:39:37:3e

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/94.crl

Check the revocation status for certificate cpcontacts.markpayton.co.uk
11
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for cpcontacts.markpayton.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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

*.markpayton.uk
autodiscover.markpayton.co.uk
cpanel.markpayton.co.uk
cpcalendars.markpayton.co.uk
cpcontacts.markpayton.co.uk
mail.markpayton.co.uk
markpayton.co.uk
markpayton.uk
webdisk.markpayton.co.uk
webmail.markpayton.co.uk
www.markpayton.co.uk

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAs1ScOPnniNh/D6EJ6RzD
kP7H4phrrgNMBIf/lfxaZ18VuufdvnCnw8iwnFq2rAvjnvAwxhDba1OAKAj5ihrl
eSxhiyN/tIjw2LXfXsF494nizZxWoGb+fjiKGzOjmJRzpSvdBGGuHZ42C4/2hfD4
0iMJ6RYgm5HoPmEs4Tn0AuxJ6fwPQ7Q0gyLBhmuHAeGqIvZCEl1w7y0/8FCritCs
hSqccsGwvXui9chtW09225Kp2l8+4fmnY6jlYfBKDU7hBx+/MYWkBdR9SGihlpHq
0AITK/XklzH9VrHT/mNm0mRgExsFxtkDpALgRngYiYwxgDJfNn0Dp5wW9IBEjtW0
rQIDAQAB
-----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 605483528455496875940906267655571256690781
 . . . . . . . . [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 2025-05-11 13:48:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-09 13:48:54 +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 'cpcontacts.markpayton.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 22638379455464576246003694396420990255989690332926970740672571887792238056097249059999477820436835867374854331928640556272625469060309797387970368351479001626958729000824819124821845437220028705977865013901838719156740727913034041412240727064815441418427671329070132171224028779674239117867027406432774607130408908323903404157432402249945673843513180571065044709454927307243109509318071023483131747781132865938207907108660256857558363878798469019512861370847688861034513820651695232578530123060513223930895183060244840835443416740409445436647551853178092204420019885823393401427489051995381159770550442040380393632941
 . . . . . . . . . . . . . . . . . . . . [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)
							3300818f44911e69ea2f4ce9eae1685886b4093d
 . . . . . . . . . . . . . . . . [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 (266 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.markpayton.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcalendars.markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpcontacts.markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'markpayton.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.markpayton.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.markpayton.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 (39 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/94.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000196bfd0ac09000004030047304502202a7aff5902d25a9b5a532a3543654deecb7afa30a9f7e327a8136d478640b1cb022100995076b6a477ddf95914c6102c386fb3596c3144b8322324ab2cb04192bb8343007500af181a28d68ca3e0a98a4c9c67ab09f8bbbc22baaebcb138a3a19dd3f9b6030d00000196bfd0b7a50000040300463044022023153d05c1ecffd0831201d6086fd4888ca29d3efd1a89f183769d54d2d8d52a02200d30abb57bd88b4cca22c7e00e2ead19be3cc1b4392c00ec7f1a0a9dacfcdfcd
 . . . . [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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