istec.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c8:47:27:11:c5:6f:1d:5a:88:af:35:c0:89:0c:90:0e:03 was issued on by Let's Encrypt.

With 6 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=istec.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c8:47:27:11:c5:6f:1d:5a:88:af:35:c0:89:0c:90:0e:03
Serial Number (int): 329487909227189944117662078685612145118723
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ea:d5:9c:3c:85:b3:1d:38:1a:cf:73:91:3d:a5:26:7d:24:50:5b:78
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8d:39:ee:32:b8:10:a9:73:f0:aa:ac:37:0d:5f:02:e0:50:14:29:52
Fingerprint (sha256): 25:7c:ba:38:56:df:ba:79:02:8e:59:e7:69:cd:c1:14:2e:d3:1a:c6:50:e7:6a:42:51:9f:46:e0:44:3c:23:66

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 istec.org

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for istec.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

aula.istec.org
istec.org
metabuscador.istec.org
submissions.istec.org
vm-unlp.istec.org
www.istec.org

Other certificates including the domain name istec.org

(limited to 100 certificates)
submissions.istec.org
celsius.istec.org
biredial.istec.org
biredial.istec.org
istec.org
*.istec.org
istec.org
istec.org
istec.org
aula.istec.org
istec.org
istec.org
istec.org
istec.org
www.istec.org
www.istec.org
istec.org
istec.org
biredial.istec.org
*.istec.org
aula.istec.org
istec.org
istec.org
istec.org
istec.org
istec.org
aula.istec.org
istec.org
istec.org
biredial.istec.org
submissions.istec.org
istec.org
istec.org
aula.istec.org
istec.org
biredial.istec.org

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyy5ojMSvtUsFimwS+Ffk
hv+gxpMeuQjM8kmMBZVvojhMaNf0qRG/VeTcJ3NYVC6Dr/G1Pe0SkDDnY/CaNhIw
ByoBeMRX+x75ErMB+8WNjRQMr/HMBf0oQaA9fpxAqybS/tgiBrQVr/aOBjfFNcov
MP7HoADrfvD7LWakFx1EmzHsYDkIi8RJxOTiyWOpgIpbMD4EXiZVzVyOLjlwq+t8
g6O4SPKQmozWCMVxBzx00NeSGUZTV+vNR+yBxQntQh4OilMQcx9Z7Rp92LHiMsQw
xT/to7AcqiHXxUW/cJynrgnm8c6luHWpJHnK38h6TofJDUaXl8JJrBhtOuryw3uy
kwIDAQAB
-----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 329487909227189944117662078685612145118723
 . . . . . . . . [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 2020-04-05 02:17:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-04 02:17:09 +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 'istec.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 25649260742070405389734617515829175219962520038773692490109337101347196575803638545557669019954611594958147826560838722534446262930864442669559417682192352600161808946594202952402930919642348584663836488502012567537092165213516923580296162692703971354012718113151627287487721346789933363186911944473704698998955660822158014857141719737018446369050060167632761736039890945552501376259723891105022082646291847737427149988536445535616925355237402972766648918940064085272016461966248230145901207893821982629669843691159292068014380973910908821212635772699081890042961360059060706526671858534135983336603959167121310331539
 . . . . . . . . . . . . . . . . . . . . [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)
							ead59c3c85b31d381acf73913da5267d24505b78
 . . . . . . . . . . . . . . . . [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 (110 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'aula.istec.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'istec.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'metabuscador.istec.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'submissions.istec.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vm-unlp.istec.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.istec.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)
							00f0007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017148578ce00000040300483046022100b4e6882c8c0d05de13eaf572595e7503951cb092d21aa5d77ee1868eaa473888022100e417df9d073089bbea21bba8498546c215f422561aa42ccc21011d2fb5d70778007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017148578cd400000403004630440220688ecbe398ac5495a4a22ffd4683081429e838b2bd4f4d8f8887609647b003e80220031dc62c4be0d2a9edfdbe4932b50d27750b8f585d29434c44179111651937d4
 . . . . [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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