www.expressoft.eu

Issued by R3

About this certificate

This digital certificate with serial number 04:8d:91:d9:57:17:6b:da:bb:ef:45:f3:88:2c:a6:54:50:f2 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:
  • 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=www.expressoft.eu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8d:91:d9:57:17:6b:da:bb:ef:45:f3:88:2c:a6:54:50:f2
Serial Number (int): 396622824017125687378897172011403613327602
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 67:b2:c0:0f:a0:a1:28:de:95:bb:e0:36:43:b8:b7:6f:34:09:3b:4b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 1c:0e:5c:78:7b:5f:76:17:0b:a7:4c:b2:1c:35:e0:18:42:7b:4d:5f
Fingerprint (sha256): f6:5c:d9:c7:16:cb:44:2b:3c:ac:15:36:48:72:0a:03:83:55:87:10:34:6f:11:ea:1e:e8:34:66:43:16:3b:91

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

Revocation information

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

Check the revocation status for certificate www.expressoft.eu

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.expressoft.eu

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

expressoft.eu
www.expressoft.eu

Other certificates including the domain name expressoft.eu

(limited to 100 certificates)
*.expressoft.eu
expressoft.eu
expressoft.eu
mybusiness.expressoft.eu
expressoft.eu
*.expressoft.eu
*.expressoft.eu
mybusiness.expressoft.eu
mybusiness.expressoft.eu
www.expressoft.eu
expressoft.eu
www.expressoft.eu
*.expressoft.eu
testcrm.expressoft.eu
*.expressoft.eu
*.expressoft.eu
expressoft.eu
*.expressoft.eu
mybusiness.expressoft.eu
www.expressoft.eu

Certificate

The complete raw certificate details for www.expressoft.eu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvIWQVoznk01iSgEPcwkt
m7S8VU7w0T95ASAszTZOuKQv7z4RHHisy30u+eU4QiUuogn3p8VvfReoQSMwQRFD
5iV6CvUWcUGW7M6TEIS3XVGUkbVTJmoelThDKLBxEQgFJBsceVKjlnVwpF2UZZHk
5Kn6pPZq9ySa+4fRqaY598uts0kuFqJ5bd7X5I+HgzRTKTSuNDeVvI/Ph/MSbur5
FaLlfAV2+bCrIivm9SvqFweiyxrjLA2f1KHdvKhYGcOxf0dkJSYX+54/80tfbmrT
Sr2elSabbjVrSHe8n/JuBduDmZYMOQLH4SmSVZrmNXPwVCGdi9U/PsPftJgNfCnx
zQIDAQAB
-----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 396622824017125687378897172011403613327602
 . . . . . . . . [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 2023-10-13 11:11:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-11 11:11:45 +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 'www.expressoft.eu'
 . . . . . . . . [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 23798664108322949023020413742011630819496581662671184146860606793285111515580405109690755461308155493422481170290483349955657535208454208909389899277986450570374213315311092090329240253159435763111999816726742850394396967812366137673092377323475493550831518274839054292462711160661920019732628013302131750170934062780896965333576727876798242612081751013736667000476601084013536998263478266895202411395430197512927776227481809247806634357644608788193105744366944744281430332301077444984373902247640147044351390110666166453323994821835649987015287882287376116341732017935382234242185366440470624804353222087467959185869
 . . . . . . . . . . . . . . . . . . . . [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)
							67b2c00fa0a128de95bbe03643b8b76f34093b4b
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'expressoft.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.expressoft.eu'
 . . . . . . . . . . . . . . . . [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)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b28f329ff0000040300473045022058d6135730d6a2d2e2ffab2bb940c7d4be234ff97854f3d1328211df07f44e3e022100cc64848ba59f2c0ab774d176e918b7eb53d017d0ec190214511db116b6fe374500750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b28f32a3100000403004630440220378a0d982438037ad52733161f7710abb163536354ef19c4348840826e9af5d702200199cf9ca5ab3ece7748018c295b1e731bd491e4e831aec1ac93b6b6f001ba60
 . . . . [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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