cirg.cs.up.ac.za

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d8:73:ef:b6:a1:a1:88:fb:2d:8a:84:e2:e1:29:a9:0e:36 was issued on by Let's Encrypt.

With 7 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=cirg.cs.up.ac.za

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d8:73:ef:b6:a1:a1:88:fb:2d:8a:84:e2:e1:29:a9:0e:36
Serial Number (int): 334991954932872177913195122005736335937078
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 06:4f:07:14:ec:ca:64:bf:5e:05:bc:6e:80:ce:81:9e:2d:4a:f3:7e
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 92:95:38:dc:b5:cb:a9:20:bf:f5:dd:79:5b:35:d4:ff:b8:a3:b2:3a
Fingerprint (sha256): 06:4a:27:69:cc:db:c3:49:6b:ec:32:aa:a4:ec:0b:b4:7e:ec:b6:22:0b:0d:e8:ea:a2:41:6d:7d:49:e0:3c:95

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 cirg.cs.up.ac.za

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cirg.cs.up.ac.za

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

cirg.cs.up.ac.za
cloud.cs.up.ac.za
csedar.cs.up.ac.za
ftp.cs.up.ac.za
infpostgrad.cs.up.ac.za
inlpostgrad.cs.up.ac.za
javagently.cs.up.ac.za

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ssl446914.cloudflaressl.com
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prod.28.slot.cdn.salesforce-communities.com
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repo.ee.up.ac.za
visitor-test.up.ac.za
prod.28.slot.cdn.salesforce-communities.com
eu-central-1-san1.blackboard.com
cs.up.ac.za
enterprises.up.ac.za
www.certivox.com
prod.28.slot.cdn.salesforce-communities.com
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www.renzgranados.com
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visitor-test.up.ac.za
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exfreight.loadsure.net
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innopac.up.ac.za

Certificate

The complete raw certificate details for cirg.cs.up.ac.za in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIF2zCCBMOgAwIBAgISA9hz77ahoYj7LYqE4uEpqQ42MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMDIwNjI2NTNaFw0y
MDA1MzEwNjI2NTNaMBsxGTAXBgNVBAMTEGNpcmcuY3MudXAuYWMuemEwggEiMA0G
CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC1nDygQi+fD0wmR4wZAZm0BqP9M8NQ
rScz1/PuTgz+KO1yvazyNkUWoYVIS0ybi2q1V65h6F4P9yz7nT7VMmjJBgAHtFLi
LweVV8kzrzPOxLf3KSQzDxzsdoGvYeSt6nuk+QaTvU1X8K2bfcaHcFfxr96PJdve
+Mbz50zOHwpSJrlLTBCRzSEBbp7gP+V8EqaqX6xzlUk0fUrJ5eBhXVjM+MyvDZyA
Mpb8/B/FJT/1+p6MHf52AvhXExGamHn4qoUtVWh5CZIxOzVh2PXup7edvK5u7x2R
Pd7gaRzOXUpBzhFkCCX9Cjr7f/2RrEvtQJAQD2xW94truj4ngUjaf4tTAgMBAAGj
ggLoMIIC5DAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG
AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFAZPBxTsymS/XgW8boDOgZ4t
SvN+MB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB
BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0
Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0
Lm9yZy8wgZ8GA1UdEQSBlzCBlIIQY2lyZy5jcy51cC5hYy56YYIRY2xvdWQuY3Mu
dXAuYWMuemGCEmNzZWRhci5jcy51cC5hYy56YYIPZnRwLmNzLnVwLmFjLnphghdp
bmZwb3N0Z3JhZC5jcy51cC5hYy56YYIXaW5scG9zdGdyYWQuY3MudXAuYWMuemGC
FmphdmFnZW50bHkuY3MudXAuYWMuemEwTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYL
KwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlw
dC5vcmcwggECBgorBgEEAdZ5AgQCBIHzBIHwAO4AdQDnEvKwN34aYvuOyQxhhPHq
ezfLVh0RJlvz4PNL8kFUbgAAAXCaI/mxAAAEAwBGMEQCIHKA0QQDSaamkgM+dyhJ
lBoDGTrnt1BDH6avsMKudItcAiAeQd9VNherUTlZTB7GUKEKy2zS+ZCgqRqMlrse
QCcA+gB1ALIeBcyLos2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABcJoj+bIA
AAQDAEYwRAIgV2ODJE840maSSjYwyFViWTJI4hg1qruAfnSsu/99F8ACIH46x8XC
VJu3LI2xtN69O4bZkteJKZFgINwZaImYuWuTMA0GCSqGSIb3DQEBCwUAA4IBAQBf
DKp9gZjiNRHnCR7G2g3wuG8vssCF/pN1PtfqSQS49AZd+9XD0hneJIx1J/ugSB23
6g3LScy13wBGpRCBg2yyUPEGtvLZay9LWaLcenarL6JekPozIiF5Q5KoMjgbUxMV
NaR8IC7YWT96HQIyKh35Ci8AyIrAdcBdgWy2BemSpOm8yU7DnoSdOna2wMrMP8yU
YD05cH6b/UhLeKfk873bVdn9k3tVzwiAsrWEw4R45lYxTw3uZPmU4N8FCaX3pgFA
4WHwNDK2pusG/MNAlTlhElBdtMLul4qCDYpesYEVJQnsDJMBhqpqtqp2elYJp9zR
fJfJ+aFxdPbFqMoFz741
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtZw8oEIvnw9MJkeMGQGZ
tAaj/TPDUK0nM9fz7k4M/ijtcr2s8jZFFqGFSEtMm4tqtVeuYeheD/cs+50+1TJo
yQYAB7RS4i8HlVfJM68zzsS39ykkMw8c7HaBr2Hkrep7pPkGk71NV/Ctm33Gh3BX
8a/ejyXb3vjG8+dMzh8KUia5S0wQkc0hAW6e4D/lfBKmql+sc5VJNH1KyeXgYV1Y
zPjMrw2cgDKW/PwfxSU/9fqejB3+dgL4VxMRmph5+KqFLVVoeQmSMTs1Ydj17qe3
nbyubu8dkT3e4Gkczl1KQc4RZAgl/Qo6+3/9kaxL7UCQEA9sVveLa7o+J4FI2n+L
UwIDAQAB
-----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 334991954932872177913195122005736335937078
 . . . . . . . . [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 2020-03-02 06:26:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-31 06:26:53 +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 'cirg.cs.up.ac.za'
 . . . . . . . . [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 22926176446412968782992264734875616468071548378480346360651555832369486074587304455403688404622003153967152386426734844329099746645828007647197980203202529841944578424356285895540014766376866404903649417566080378412758009053423928237598462432135073788559268439492698745670667269400564307185743894491317514173672371174819896059580293962043532097546902404511360882268982314808834846939255956971547104004674584299770918962559220707512615507529310375571173202245032019395785467638416743122819982839348864857438726105745244900956566832449824253203726627369774968601507456192700516696285248072479331276008624906060731222867
 . . . . . . . . . . . . . . . . . . . . [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)
							064f0714ecca64bf5e05bc6e80ce819e2d4af37e
 . . . . . . . . . . . . . . . . [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 (151 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cirg.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cloud.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'csedar.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'infpostgrad.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'inlpostgrad.cs.up.ac.za'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'javagently.cs.up.ac.za'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e000001709a23f9b1000004030046304402207280d1040349a6a692033e772849941a03193ae7b750431fa6afb0c2ae748b5c02201e41df553617ab5139594c1ec650a10acb6cd2f990a0a91a8c96bb1e402700fa007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001709a23f9b200000403004630440220576383244f38d266924a3630c85562593248e21835aabb807e74acbbff7d17c002207e3ac7c5c2549bb72c8db1b4debd3b86d992d78929916020dc19688998b96b93
 . . . . [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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