tttsoftware.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:22:f5:12:2f:b1:d0:a0:ed:33:b8:70:a0:c3:c8:7e:bd:ff 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=tttsoftware.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:22:f5:12:2f:b1:d0:a0:ed:33:b8:70:a0:c3:c8:7e:bd:ff
Serial Number (int): 273232213558264609280367387920649728998911
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2d:b7:4a:55:7a:ae:7f:a6:ad:e8:c2:80:5d:30:0b:a9:c7:92:6b:e3
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): bb:d5:9d:31:f2:ed:ba:c5:21:0c:a3:cf:c0:ca:36:42:c3:4a:60:78
Fingerprint (sha256): 85:d2:8d:86:ac:b8:ac:9f:4e:82:b3:2a:1a:33:16:a6:ad:be:86:be:25:8f:73:3a:83:dc:6b:4a:dd:bf:7a:76

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

Revocation information

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

Check the revocation status for certificate tttsoftware.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tttsoftware.nl

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

tttsoftware.nl
www.tttsoftware.nl

Other certificates including the domain name tttsoftware.nl

(limited to 100 certificates)
tttsoftware.nl
*.tttsoftware.nl
vm11769.tttsoftware.nl
*.tttsoftware.nl
tttsoftware.nl
vm11769.tttsoftware.nl
*.tttsoftware.nl
tttsoftware.nl
*.tttsoftware.nl
tttsoftware.nl
tttsoftware.nl
tttsoftware.nl
tttsoftware.nl
tttsoftware.nl
vm11770.tttsoftware.nl
tttsoftware.nl
tttsoftware.nl
vm11770.tttsoftware.nl
patyna.vps8.pimenta.nl
*.tttsoftware.nl
tttsoftware.nl
*.tttsoftware.nl
vm11770.tttsoftware.nl

Certificate

The complete raw certificate details for tttsoftware.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvsfgumnGUOzmGucLXNAr
XxUtUrX9iKw9LgleyWjTGSGOzhv9do5RySdgXyBS3u7ZYBSAuElHUmWakuhyGfDL
zs7PuYsLZlPANJzjFxbMxEkY3z22/y3QkL7U1ZKpTfJRlqoB8ztVLNVN7tClOhm+
CNHEHLiyaX1PtMIJhClHMYX/HmJlI754ORTnOF4Bw90UQ6UefcFa0+pZucrOGmPN
jjdgz/+BCC+X+yU/PiqliPtq2EYmkiFkzc74U9zTOfWNMO72+sDxAJYpadyeXFdr
FtUJ5c3o4zlYF7CloSa1ghJqrjVOsbCkx6a60Loin3V1jOCXOu1RfJLgFiI5yY+g
9wIDAQAB
-----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 273232213558264609280367387920649728998911
 . . . . . . . . [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 2023-11-18 06:53:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-16 06:53:13 +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 'tttsoftware.nl'
 . . . . . . . . [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 24083841382153883778287734647442353538902356149602002169798527044838418326021044422237513601903890110672721453170674332595745707967256490304818953325197745269408172724037737223154209100908654011080081090445861753523877988671925859869095070034681227640469519107298188639201528921476492189814188398672855822034832266293857122875020187270901439569446965477196276103594165410719787322844780985098165643140962225299893992677396736604815966936793254243453013567948629265315746316712565542808002165766358649533612890123233836879259273983123297442803300200197639210672235082132514525690940988338695451731327390653317215396087
 . . . . . . . . . . . . . . . . . . . . [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)
							2db74a557aae7fa6ade8c2805d300ba9c7926be3
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tttsoftware.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tttsoftware.nl'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018be16b69510000040300483046022100dc93b7ffe8fdcfa058e2ce262d0b99b8e4a19c2903bdc916be490c4fca93ace1022100c6c1033edbd9253c81bfb2fb37e1a3e27c482d17adb225f6e96a0655ccae09c80077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018be16b69590000040300483046022100e0c63598a8e5203a910d962611c4b5a813a5e89cd224ec16ec82761f1845d5b9022100bb6fe1f10f7dbb5b8e93ea8039af9bf8d7b8f8e2b716744f60f1bc80858a82f4
 . . . . [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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