knowledgedefinednetworking.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:f2:f6:dc:b6:21:de:55:13:14:4e:ad:4f:4f:be:7d:bf:39 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): 04:f2:f6:dc:b6:21:de:55:13:14:4e:ad:4f:4f:be:7d:bf:39
Serial Number (int): 431125612608261947459994179733070681063225
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 85:7e:bb:ba:d0:6c:02:75:3b:86:70:ac:0c:83:17:4d:e1:e1:64:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 70:ec:da:f2:f9:65:49:ed:c0:66:fa:87:cc:47:8d:c6:81:ae:42:01
Fingerprint (sha256): 08:dc:ab:5f:5e:0e:d5:dd:0e:75:16:56:1a:16:01:8c:3e:76:b3:41:1d:3e:0e:59:6b:a4:5a:b4:da:03:77:72

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvLl1C+u7blWylhNKMW3o
Uu0j6uZYdWi7asb+CyftOkNJEmlN2S8CbLYkXgzk6JEyN+WPbyiPcrb9ggapLEtd
6hzh2v8MVzySH8AlG1r1Cu5hJZhMMfmvrLBRaRs2cvnYF01tlP4Kd3YWCsPSCXFw
9ROrGvQcGO0IKbdvm2r/Gxm0FWUAu7N1ItVbLPCjOQHALYLjFdcL2Eqp+mdjUNTr
YFFqnaF7Maoyu6n6AwnDsLbJpya+iQQhcX9DwW9ryImcICg4hoLaUNEU9131mlfD
MS7/99pqxIEv4YtLvP9papuGnUT+WIUeWpiBr+hhW5mTzp7Flo09XF1UN2TUqf5Z
AwIDAQAB
-----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 431125612608261947459994179733070681063225
 . . . . . . . . [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 2019-09-01 22:08:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-30 22:08:46 +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 23824253693898154550665241145378998189799390306605139067981820703398458074661660292194086284011358323053465470200214838146425186028118408070847666899352046410494068528350389336393749428239078365998937427825331191487221757137577010793058931395772309442407741791510409678386818244497389014766221839067194771458870067905790563216528524342820498418746756418164512748558514697781190743089250754755654932562487454638604944990096783681051351204909631412705374919744972212369222482913942361854651398324934432589962813297534751854040849540404487689824753661060578685477201324606726889960103298078539496420945462313778451208451
 . . . . . . . . . . . . . . . . . . . . [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)
							857ebbbad06c02753b8670ac0c83174de1e16417
 . . . . . . . . . . . . . . . . [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)
							00f0007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cef1687d0000004030047304502203c57dcd2ae8405ec9725debf9f3e68d10e0302f11fd52a8c65d6d76613bfb94a022100b90f560e61e1e1ad2cbda2e42925f64cd26c374eba6665fbfd1b855f540dfe9f00760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cef1687c30000040300473045022100998d9ec0d6e5b8d23a2253f16dd45ebdacb73cf24238ce352f1dde74a2174f7202207a269f77b0d759cf0bdf11f288d5707fce06cec29a6a9c81f3c995da87dabd19
 . . . . [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)
		0023eada8875ad56feae0a1f7fd5ac62f5186b978892b4f5dd7c6dc6b89f4c6fbbc2b9c8f97814a7ade14fdc778ed78f7a0c9d6f4e98357b463aff13d666f8e6355ab2f98334d5d613625735dba6a63a517416e483d0b9e73962148e03089e5a1928705010670e7dd318c033d7680a865f7e5421259237c81e02fc6a273cd5fc08fad9b27dc6c520df5af2960dd945da997a465cae2f5735b92fe902d229e9a7ff984bd7d802664e04d90d4472b3263c79d4a1d9276558a54a9d4f8f98d22f7fc0f6b47e238fa8ce118d5b240b5d85f62e97ebaffce4e96559c9aec098507ed472b09d5198d0a0a712a3ccd737fcc790a8742d54c381d9476964b82f622b56f212