knowledgedefinednetworking.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a1:55:fd:e4:e8:9c:d7:92:0d:64:02:fd:af:3f:6c:7b:1c was issued on by Let's Encrypt.

With 8 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=knowledgedefinednetworking.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a1:55:fd:e4:e8:9c:d7:92:0d:64:02:fd:af:3f:6c:7b:1c
Serial Number (int): 316236621543117623324247902850686204541724
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dd:b9:7c:29:91:9e:09:d3:8c:d9:5b:cd:be:1d:84:95:e8:b7:ad:88
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a8:b3:de:e4:6a:04:07:d9:fc:8d:38:5b:07:6a:ee:fd:cb:74:75:09
Fingerprint (sha256): 8e:73:1e:4f:64:c9:74:9d:f7:c3:70:c7:1a:9e:b8:84:c9:38:98:d1:5c:36:6f:2e:4a:4f:8f:69:f2:40:e9:fa

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate knowledgedefinednetworking.org

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for knowledgedefinednetworking.org

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

cba.upc.edu
ccaba.upc.edu
ccaba.upc.es
knowledgedefinednetworking.org
www.cba.upc.edu
www.ccaba.upc.edu
www.ccaba.upc.es
www.knowledgedefinednetworking.org

Other certificates including the domain name knowledgedefinednetworking.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for knowledgedefinednetworking.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzdv6+by13Q30gE9peMiv
HvXo/Jp4R4D9nKMHx4iLsQfo5+0FPBH6hiJrNLcmBl/lLt/dGYg5cYhpm7jpNtLW
XiLkh+ZFqKsXEIH8fkamrHENargL2TXPOA1bf7zjt+7p7DdKmh/ha5Ytf9lCEaYQ
xK/IXBPx8p1xZTFQVMDsXvcyG+7WOZaXCYR+tadx9kMr4xH536CdoRB3zo/67Cd4
5MprYxvpNSxn4tq8wO+eHevvv33m5LntjhHOsgvsZqKwXMqvLWujTUWvVwDrYqtm
V/rFMpvUlewSrdoX0+FLDsFAa9EudCs8K8Yka6li5w0OL4jlTZ9u+d1EZdm382Ev
0QIDAQAB
-----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 316236621543117623324247902850686204541724
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-11-02 23:47:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-01-31 23:47:29 +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 'knowledgedefinednetworking.org'
 . . . . . . . . [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 25987328883029767214736930129626588781076006090182011148858424633422886653412157787842198644869580402859401870687906693053756660675941777585867042045402374785559741550083867327466380897067571571844774642210479167071585029745502237999369524445839763925203185523458637641244573886094651453511290703567690973160724298805406070940823393059312516552519861280203738858177852753962517875093024153055938985432372077847733217207384804190492732691368146123900965988275344743084803912547648455541240017091981404570612557708093835449217262296407822336166311029536525301738505386560884429867062261405288326213053689881539089870801
 . . . . . . . . . . . . . . . . . . . . [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)
							ddb97c29919e09d38cd95bcdbe1d8495e8b7ad88
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (167 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cba.upc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ccaba.upc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ccaba.upc.es'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'knowledgedefinednetworking.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cba.upc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ccaba.upc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ccaba.upc.es'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.knowledgedefinednetworking.org'
 . . . . . . . . . . . . . . . . [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)
							00f00076005cdc4392fee6ab4544b15e9ad456e61037fbd5fa47dca17394b25ee6f6c70eca000001758b92b80a0000040300473045022100de1bba557c16389167041e26e0b3501e90b92ac82fea6356a508e2a12c829c9502200fbf8e98c69b40af4491a2b9f7c9299cc98ef4d3f755376a8855aa4b0160add9007600f65c942fd1773022145418083094568ee34d131933bfdf0c2f200bcc4ef164e3000001758b92b807000004030047304502202deb6eb85addae00a0e3460efea7db077543de4e1c3b77033d83994cd8812b26022100987eeead9fa4d40291491b266b446f1e6d097cb3a6f770dbf1475ac6a430014a
 . . . . [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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