praestantiatech.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:54:ef:be:07:e2:25:2d:11:4c:51:53:34:c9:54:47:07:1c was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=praestantiatech.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:54:ef:be:07:e2:25:2d:11:4c:51:53:34:c9:54:47:07:1c
Serial Number (int): 377351534735689471410791244249701443634972
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c2:c9:16:f7:ec:7e:c6:dc:93:93:d1:4b:9a:ab:f2:44:23:11:c5:fd
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6d:65:f7:e9:29:c7:f2:ee:83:e8:4e:65:0e:a5:d7:08:f7:fd:05:74
Fingerprint (sha256): 8b:ca:88:9e:69:e7:e9:c5:51:5d:e3:fc:24:6a:3a:6c:53:da:fe:a1:e6:0c:a2:63:91:ca:c0:2f:8d:db:27:f2

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate praestantiatech.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for praestantiatech.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

praestantiatech.co.uk
www.praestantiatech.co.uk

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support.telecominfo.fr
www.praestantiatech.co.uk

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAu/WULm/QPAPtLDx8w12f
Q203E4QZcMPA/HDRBOUYpN12WOeXavf50Txp2RISHrM9/TVTR1r6agkxI5insyZE
UjFglS8odDJ5ONN+S8DAI0u7G79H5e/H5TXMSuvLG3eJQEKj1OVFb4+rbpcZ8PUx
1zCK2BrAXvzvkEzJ941OD9c8npj+BeT3FANqTUuZX4X/XEPNAqwHyYktojQwjN3g
r3kgXeN1epbzEzndWqzNFsQktKwJiy3YIsUS68lw0LXrvy7DjAA7t/rP8dMWWsZ3
h7r27YebPQThKmCzy0eSvhvulbCXQon6J4C770NvOI8vTf87SLWBIg/fHfY5EkFt
4QIDAQAB
-----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 377351534735689471410791244249701443634972
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-22 17:35:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-20 17:35:22 +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 'praestantiatech.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 23727662464923584328593586621393142395047990147472673613463913307981946735173705842144122022339338764169068230151556697779560327113791151735377865456955624899965839176974155764707687580132828529301560089038734009422507018984787914429905600494714451282891783551119923781461421038932401022479572115948909456859238162403712924670229677875623739598007484083790891220601888671260935926392148813609758934302790468705267990830400205095158147313543773795745795364006567144344854118656872933392949625269572752895527645497684119570137953948785089646723476009816051064005427074291285425881842126630680750440753176228863164902881
 . . . . . . . . . . . . . . . . . . . . [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)
							c2c916f7ec7ec6dc9393d14b9aabf2442311c5fd
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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://r3.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://r3.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 (52 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'praestantiatech.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.praestantiatech.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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001897ee28e2000000403004730450220269cad67af44768f483f291b21422c3b0ff88fdd7c1124318b7a8f2fcd9e2886022100f509a316e91c0866a5b402e57b6310bc76b5fef58a815965b97ba3308ce8c6040075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001897ee28e2b0000040300463044022078ef0f365eaee1e0b5b13362ad2368f3e5c108102cfa3fa1d2f6d2f0b4a550990220210789fae03e4ab338d052c3a828c46974ae9e899b6b547ae0f19cd177c4d09c
 . . . . [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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