tttsoftware.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:05:9a:26:43:06:f0:00:0d:8d:49:04:d1:c8:f0:d2:41:34 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=tttsoftware.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:05:9a:26:43:06:f0:00:0d:8d:49:04:d1:c8:f0:d2:41:34
Serial Number (int): 263243169407988022511167285990045632315700
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d7:84:a9:58:12:cc:39:c6:3e:02:f1:8f:97:12:8d:b9:4e:5e:0c:62
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 2c:fe:2b:8b:7b:80:1c:6b:f3:ea:7f:ff:25:cb:8b:df:08:23:71:ea
Fingerprint (sha256): ba:e6:41:c0:0a:81:71:9a:99:72:ae:85:f9:f6:16:1b:e0:54:82:b8:97:f7:98:a6:c8:d7:bc:3d:0c:9a:1e:11

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)

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsnvdUpbTzJaVkFGtpIhh
dHyqm/AJ/20Iw0ZxV20m54gxpYjL5XeCo/01Irb6irMgjp2HazTUBrFv50GqPW3X
3VfAoOVCe1A9mdWJvG7HCFcTjNBvU3Ro0EbEPH0OhKNFYXCKPmhu5gRUHRY6DPPf
u6U4fmOrjXHRQnZYBB506JU4VrST84JHENWl+ocoI11dFZOcA14T+GNZHTkw4+S9
SEv+iAcdx9lf0aJOWBjc2zwk2H8f2JowlB3VDAsGghH3GSGBjOQ81B36DBBG+BDg
EKgHR1p0RfMziCUS2jczm+7QGw3JvLTJmoCZMKtPpcTvxn5XmEVnDqv1ailW9f2d
MQIDAQAB
-----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 263243169407988022511167285990045632315700
 . . . . . . . . [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 2023-03-23 06:53:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-06-21 06:53:12 +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 22531498165831085242768758828585072681131686778841934084013878923530395115990499514372605573423153428052424052732377969298028885075465103991860787376032967995443283137321889982402152037024012509301929987048709338529718319906707662825412580311240348990105381254765754293306321327198202821244663909999896475012713046266746449859755166167413022162930434393920157788814389656269672594849835569485959547757711940089702056005320564039837645688843816043773168925100268233695530566614887553666286999645877233614299421766203470322002947352335663964082891804537734818342748449225539734791784258828557350221646391437733643787569
 . . . . . . . . . . . . . . . . . . . . [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)
							d784a95812cc39c63e02f18f97128db94e5e0c62
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001870d752316000004030047304502206341576e6bc84039d0074831c44d65b67b9a500ee2b15674be55d4e62123676a022100bf0565cf09f64efe5c65017ebcd80bbb9f5d4527d246109412df0586649bb0340076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001870d7523240000040300473045022100874254ad875396752905d68235b3ea6f7e8a2233d1c69fdf5eb29577b67ccc2a02203219a38a7cb7ba952a264e6faba8e44db338c195474d226c4a7b63d72053aac1
 . . . . [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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