l2i.3cx.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 04:73:9d:b0:d6:ee:87:51:fd:12:e2:0a:0b:9d:9e:2d:d7:f7 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=l2i.3cx.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:73:9d:b0:d6:ee:87:51:fd:12:e2:0a:0b:9d:9e:2d:d7:f7
Serial Number (int): 387791222921868081260768899784939123103735
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 05:1d:04:06:a6:9e:16:3f:ff:0b:3b:8c:c4:69:0f:72:24:00:e7:0e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5e:4f:10:6d:9a:ea:4d:ea:56:24:1b:49:de:05:44:3a:f9:19:78:5e
Fingerprint (sha256): 02:1e:95:fb:0f:3a:9f:ce:f1:12:82:bc:96:6a:d1:93:70:5a:80:0f:70:7a:83:03:fb:05:c8:54:87:f8:7b:36

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

Revocation information

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

Check the revocation status for certificate l2i.3cx.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for l2i.3cx.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

l2i.3cx.co.uk

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Certificate

The complete raw certificate details for l2i.3cx.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA5+1KU3h0xdjb9UIIdta+
1KtXbE0RXIT27dNqlqh+0uEknG39+FMspcIy+O6qvP/Q4tzIfdyq6yyr+IG+M18w
YKufIX9UPjlR8WhRKX8vFq8KuFgH4P6lMgf212MsSXq6UD0PHCHFa9UDbFKWSwB0
aoI4tojl/0qq55DUnwKFR4NIGKeDjzHbEujEtz+3PyOd9SWQ0e08YYfTfoBWcEyr
t+4thaJD40XqslRHLzdWGany5yGxhW3NjFCM8CpSK9/7LSrz1CyuJ+P9myJQyUrN
fGBbs2rhNYr1m41G82qjNpzud9g4vthhJbwxV/jmF4rTRV911d7hai8VKENrKcjV
xwIDAQAB
-----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 387791222921868081260768899784939123103735
 . . . . . . . . [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 2023-08-13 00:44:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-11 00:44:21 +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 'l2i.3cx.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 29278060673025043447578569892983979047716456581715953968877750460669827983792260523387357931063140634787563623254808427782282451668508240537741643773367817932417130787391942731206399713151738154067276930164506403928043501256789608305551064549665438576296032570933044847497720765132491787692821085491665675789448074643804223745236188544476492702179129164195427311069466910661820557312628903700003180015612023329545989705895918271023215966774076967970654317103804135464174202338317053583815792266742063297412023490148658893888517887165215559878868361907962811490987966096180380639518816024485356275494699159251665343943
 . . . . . . . . . . . . . . . . . . . . [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)
							051d0406a69e163fff0b3b8cc4690f722400e70e
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'l2i.3cx.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000189ec90d5fd000004030047304502200dcb5488e2716a8bcb68d5e6117996e793f3f785d0887e47c2a29252105a35ff0221008586444d646bdd8e1d1ecd9ff8b0fa0b9839e649c8f52714d9b0515a392749490076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189ec90d60b000004030047304502205630160b8019f968db8a9b60d0603f25ab51e73bee3b967681e4ef784c2d71b0022100fc34a39133ce22abbd51cbcbbf4eb914af9a248fcc3bf567d42cbcfd6e693763
 . . . . [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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