tttsoftware.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:4d:71:f1:dd:f5:37:2b:82:7a:53:c9:dc:cd:f6:f5:c9:12 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): 03:4d:71:f1:dd:f5:37:2b:82:7a:53:c9:dc:cd:f6:f5:c9:12
Serial Number (int): 287690058657100100512176676287465416673554
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2d:28:b4:87:ab:32:08:7d:fa:69:67:82:fd:93:66:22:c2:a4:e2:ab
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): ea:65:4b:8e:d4:12:40:de:c7:cf:40:01:23:7f:78:cb:be:a2:ba:58
Fingerprint (sha256): 74:9e:4b:44:42:6b:ff:79:78:05:66:e5:28:4e:35:65:ee:55:73:f1:23:fa:36:f2:9e:4f:fd:7a:57:9d:c9:ec

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmluaCbA2urs73B5/gb3P
cekMW2VAL6U6OXhagLeMCWgZ6KV5ZpVROV2UOnQIPnqunPrGppmTbTFoFi8nnolg
2Ws+tA7umwMh90CF55+1Zi8cwrB/y5+TBjsfJ7fM11R+2hz9SuKVXgX2HE9eNhpN
PgU7KZX05s9T5De49g60aQndJ6Cs3nzKCq+Z5M1uebagUNuX6XPUqbNPPeqB43z9
a+VlCQCv2h2PRwbmlu8w7TFZCbCIpvklA1ZwuOtkkYSrh0K7FUgYQjegokws1Y/C
55YVfdPFH4sFFy5GE56a8uLEGr36HB9IlaL+bbliNboWyb77uIdLB3abAbZaUjRC
9QIDAQAB
-----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 287690058657100100512176676287465416673554
 . . . . . . . . [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 2024-01-17 06:53:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 06:53:14 +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 19485869451664967748184304499921203773542765455609241793067880964767034535806887464399369853678543466081672100687401064142894075944842265692828424775196078401184669804586133765305380454934912531284258527217039633176890152373227049812245746789938156872117281133247824571035320061336388608570452740419340508853150850700987858422542653936248485641026760216839715402747406829863067985708308100302533042227364678878143768531183374301995200557661519278103917010937586673967460448444679604264467261209518884524792924028688408043216698869282098059114794679514633869590128256227305629398065272090549863081703308244427396629237
 . . . . . . . . . . . . . . . . . . . . [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)
							2d28b487ab32087dfa696782fd936622c2a4e2ab
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d1668fa3c0000040300473045022100a2d643b452e95351a84538e52d16c3709efb9b9aff6dd0acd237730977ef726202207fa98249cd55b694613b3f4eae113485cc6a9fd2ec48e549d0fe646e11f132fe0077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d1668fa450000040300483046022100f07039ed3142201aef7fd0ecaccb7a847c8d7520a5cf8e502fa3d4fa08bf03ad022100ff0a72e95dafa2f48b4417363cb8c8c8e84d2065150b9093bafdd65c48f991d0
 . . . . [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)
		0049a7e3fe189a6883dd6c28d91c77a9b5ca271e08c5b2ddbea26b7088a1031161b288db970c6e713c07a7d4ceaa01a3686bfb585ee5aa967779ddc8d41411236816dec6bcb8d460028897ea8db1f4c4d7ea2a85a74a238157ca18a39e85bcbb600146b3cb6dd89a6118061652e737d285edf2cd1616ed50f179a6da5ade7635ffc74d0deea9c4ca0e4b9bcf431a208fc1a468f47ce40cfe605acad6c7d75f3e62e6b0b7e1617a7858f3ad9d855466d752fbc6d0326674c9a43560f6011939f12cc2c30fc42c6737ce3081e05ad5b5502655272f87b466a7bda44b2eda5e22530ebadd7a54f7c6022fe094155754c58b5df1256bb2944e247ba92e458a82dbb650