communication.unisa.edu.au

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:93:38:ac:5c:88:d4:6d:fb:ef:e9:b5:c1:6a:8c:a4:a1:bd was issued on by Let's Encrypt.

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=communication.unisa.edu.au

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:93:38:ac:5c:88:d4:6d:fb:ef:e9:b5:c1:6a:8c:a4:a1:bd
Serial Number (int): 311433697452304774770852177918773554356669
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 74:3d:ea:9c:44:6d:e4:77:bd:8f:5b:35:40:b1:37:b9:5b:14:35:58
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 32:b9:08:34:a7:d5:72:92:31:50:17:c7:b7:bc:45:ea:dc:c3:27:a9
Fingerprint (sha256): 05:f5:06:6b:6b:cd:96:97:89:e0:ba:4d:0a:38:11:d8:92:1c:bd:0c:3a:65:d2:4e:bc:03:d5:ef:b3:84:10:36

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 communication.unisa.edu.au

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for communication.unisa.edu.au

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

communication.unisa.edu.au

Other certificates including the domain name unisa.edu.au

(limited to 100 certificates)
iee-studentweb.ml.unisa.edu.au
allow.sterda.com
sso.unisa.edu.au
imaps.testmail.unisa.edu.au
ereserve.unisa.edu.au
vpn.cisres.unisa.edu.au
devmail.unisa.edu.au
na.smart-integration.status.ricoh.com
funnelback.unisa.edu.au
itupw-ocs1.uninet.unisa.edu.au
na.smart-integration.status.ricoh.com
*.copyright.unisa.edu.au
aws-itupw-ct1b.vapps-prod.unisa.edu.au
*.library.unisa.edu.au
service-status.unisa.edu.au
*.librarydev.unisa.edu.au
na.smart-integration.status.ricoh.com
constructionwaste.unisa.edu.au
ask.library.unisa.edu.au
na.smart-integration.status.ricoh.com
edgex.unisa.edu.au
tango.unisa.edu.au
www.unisa.edu.au
www.unisa.edu.au
auth4.unisa.edu.au
communication.unisa.edu.au
sip.unisa.edu.au
cis-web.ml.unisa.edu.au
itupa-scan1.ml.unisa.edu.au
vcs.unisa.edu.au
itupa-cssm1.cw.unisa.edu.au
search.alumni.unisa.edu.au
login-idp.unisa.edu.au
itupw-cxrds2.uninet.unisa.edu.au
service-status.unisa.edu.au
*.access.library.unisa.edu.au
na.smart-integration.status.ricoh.com
itupw-live1.cw.unisa.edu.au
ccb.unisa.edu.au
www.unisa.edu.au
www.financesystem.unisa.edu.au
mediastream-test.unisa.edu.au
ieepl-mail1.ml.unisa.edu.au
chocolatey.unisa.edu.au
sp14.uninet.unisa.edu.au
na.smart-integration.status.ricoh.com
*.unisa.edu.au
hscpw-rado1.uninet.unisa.edu.au
prd-wildcard.unisa.edu.au
na.smart-integration.status.ricoh.com
ext.unisa.edu.au
ituta-mfapoc7.cw.unisa.edu.au
bi.unisa.edu.au
dev.lo.unisa.edu.au
nanozoomer.unisa.edu.au
na.smart-integration.status.ricoh.com
ask.library.unisa.edu.au
ipam-tst.unisa.edu.au
na.smart-integration.status.ricoh.com
waterlink.unisa.edu.au
search.library.unisa.edu.au
redir19.unisa.edu.au
bpi.unisa.edu.au
aws-itupw-cxd1c.vapps-prod.unisa.edu.au
edgex-test.unisa.edu.au
na.smart-integration.status.ricoh.com
alms.unisa.edu.au
admin1.ise.unisa.edu.au
inmpw-dbtech.ml.unisa.edu.au
login-idp-dev.unisa.edu.au
aws-itupw-ct2c.vapps-prod.unisa.edu.au
ojs.unisa.edu.au
webapplications.unisa.edu.au
vapps.unisa.edu.au
ereserve.unisa.edu.au
engage.unisa.edu.au
sponsor.unisa.edu.au
aws-itupw-csf1b.vapps-prod.unisa.edu.au
rds.unisa.edu.au
lo.unisa.edu.au
functions.unisa.edu.au
na.smart-integration.status.ricoh.com
cpi.unisa.edu.au
unisanet.unisa.edu.au
testmail.unisa.edu.au
api.unisa.edu.au
na.smart-integration.status.ricoh.com
mycareerplan.unisa.edu.au
onarrivalreception.unisa.edu.au
inmpw-dc1.cybernet.unisa.edu.au
go.mcvserverlab.com
assetbank.unisa.edu.au
allow.sterda.com
allow.sterda.com
caisapplications.unisa.edu.au
search.library.unisa.edu.au
wiki.unisa.edu.au
ep.unisa.edu.au
podcast-temp.unisa.edu.au
allow.sterda.com

Certificate

The complete raw certificate details for communication.unisa.edu.au in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEsVnnWxwiBPIr3XHSJeHLNX5/+J/Q
hTLiy4uX+XMfRQ8rm7J6AwqkeR9244OlA89NxK530As3i+dBP0qrmTzqMA==
-----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 311433697452304774770852177918773554356669
 . . . . . . . . [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 2019-01-02 02:51:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-02 02:51:58 +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 'communication.unisa.edu.au'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004b159e75b1c2204f22bdd71d225e1cb357e7ff89fd08532e2cb8b97f9731f450f2b9bb27a030aa4791f76e383a503cf4dc4ae77d00b378be7413f4aab993cea30
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							743dea9c446de477bd8f5b3540b137b95b143558
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'communication.unisa.edu.au'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001680cb07ab5000004030047304502205df25fb60fd8f1d226b82fefd17053904392283a0adabe680bec222b55f8b12e0221009e0ae67ee7324c77572c111ec7a3adc7a1fd86d949e1f274172011125219786100770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001680cb078c00000040300483046022100cffa8b92d1ff1688e5fb437225f3fbdf6c3811df8327bd93cefb0b4a8672746b02210087c629317e4847b340fdc50d128bee343f77e778c24cc7b2ba9523b83bd2eba4
 . . . . [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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