owinfo.tue.nl

Issued by R3

About this certificate

This digital certificate with serial number 03:69:f4:1a:90:63:55:8f:61:8a:97:1e:86:42:d5:f8:e9:62 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=owinfo.tue.nl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:69:f4:1a:90:63:55:8f:61:8a:97:1e:86:42:d5:f8:e9:62
Serial Number (int): 297390975881206170559638721505623386155362
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: df:91:fc:f4:0c:d1:db:05:bb:70:fb:cc:e4:ec:fa:7f:01:8d:60:c2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d0:55:da:9f:78:37:44:37:64:bb:b6:e7:4a:6c:3d:5c:5b:19:c8:af
Fingerprint (sha256): 01:ee:db:da:c7:13:47:7a:98:34:0f:0a:b4:07:c9:9c:2c:6e:67:8e:d4:af:8d:01:fa:71:12:75:c6:f4:55:91

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

Revocation information

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

Check the revocation status for certificate owinfo.tue.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for owinfo.tue.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

owinfo.tue.nl
owinfo2.tue.nl

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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqqYeAMfZoUhynmKBrpng
IC6Kxt+KKYdosNtvcaWyQeA/Vt1jSZIIShp9Juy2AdE5HHTepR2FKtJVh4qiyxRf
2CCYjNs3KmFTGYZ4kNTrps5sABThdjN16P+oyd2oGWClvYgLtQgjOq6uOlxcQj7i
p1D5FSJxsy3ixho45+BlsgfAFUeI/REGyZfO3OvVGRnplypoJG7xFpjmvpC6qr6d
2vJHAWV/5xf+lLbB4xCHVV3SxUh4Z4T2FoeduhTkVeETqj+2XM0VAzMSp3c9DlOp
q5dsvU2bW6da8fH2hqjSAIpiSvXorJb4dvou01z/mpW3Vzf+s8QLhdhCWpiTswXi
JwIDAQAB
-----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 297390975881206170559638721505623386155362
 . . . . . . . . [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 2023-11-19 16:31:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-17 16:31:32 +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 'owinfo.tue.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 21542427288290430746221733056285751512248518524542328151232639879078047780495906127339674579002184058863857769690219857246096884171026129772366021183562424679456828074950682830488819672902008094475133282538041519393604708937761109455484192988892269214135587394684537773957092834072508146904127835928980884038737177932554450960162711756582515278061629097618397339387179141459065668264784403558273808532940645587745479655712841099683734200420955734578485929356710723656610179465646238871098119430761344254628867987704557549122267771717224510019004385876157261211447289469057246309024937742826073836150541001835753628199
 . . . . . . . . . . . . . . . . . . . . [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)
							df91fcf40cd1db05bb70fbcce4ecfa7f018d60c2
 . . . . . . . . . . . . . . . . [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 (33 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'owinfo.tue.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'owinfo2.tue.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)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018be8a33c7800000403004730450220367ef808b808fac8d8fc223cde88d91ccd0bf3a71dface09f072b78f11b87f480221008e39c289423005a8784f0103f16e7d2eedbdc8a28a7687e28c61a0c487222ac100770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018be8a33cb90000040300483046022100ac46e7e30d93ac4dc212f7079add962194dae0a6f6849869a011584de78c59f9022100a2635eb4c91bf07360f27f8e6708baf9e5586ac8112aa253cb5e0120ddd16722
 . . . . [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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