planning.clarku.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:f3:52:4f:c9:b7:cb:1b:4f:41:b9:e2:b0:a0:92:e9:e0:b2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=planning.clarku.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f3:52:4f:c9:b7:cb:1b:4f:41:b9:e2:b0:a0:92:e9:e0:b2
Serial Number (int): 431247169867261163107422770315096771649714
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: fc:2c:b9:9f:f1:f4:b5:bb:84:00:d2:fa:e3:82:f7:13:15:3d:2a:78
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d2:77:37:8d:3a:0f:be:e7:b9:1a:dd:56:d8:67:c1:cd:5d:8e:75:ee
Fingerprint (sha256): 13:a6:a9:5e:0b:8f:e2:eb:1e:82:a3:c6:f6:d1:f0:27:21:02:a4:3a:25:67:e7:5b:45:15:7f:c3:77:4e:57:0f

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate planning.clarku.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for planning.clarku.edu

Public Key Algorithm

ECDSA

Key Size

384

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

planning.clarku.edu

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(limited to 100 certificates)
cluster.technolutions.net
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mathcs.clarku.edu
gradstudies.clarku.edu
vpn.clarku.edu
*.goddard40.clarku.edu
prodinb.clarku.edu
goddard.microsearch.net
www.clarku.edu
useastucc5.acquia.com
clarkconnect.clarku.edu
cluster.technolutions.net
cluster.technolutions.net
cluster.technolutions.net
cicada.clarku.edu
biscuits.clarku.edu
gradstudies.clarku.edu
www2.clarku.edu
leep.clarku.edu
itshelp.clarku.edu
srwsus.ad.clarku.edu
cluster.technolutions.net
exchange.clarku.edu
www2.clarku.edu
clarkconnect.clarku.edu
apply.clarku.edu
cluster.technolutions.net
simplek.clarku.edu
www.clarku.edu
cuweb.clarku.edu
commons.clarku.edu
cluster.technolutions.net
apps.clarku.edu
biscuits.clarku.edu
exchange.clarku.edu
webfs.clarku.edu
prodxtender.clarku.edu
clarkconnect.clarku.edu
cluster.technolutions.net
cluster.technolutions.net
biscuits.clarku.edu
ch003.screenshare.clarku.edu
technolutions.com
cluster.technolutions.net
apps.clarku.edu
apply.clarku.edu
cluster.technolutions.net
cluster.technolutions.net
useastucc5.acquia.com
cluster.technolutions.net
store.clarku.edu
clarknet.clarku.edu
Clarktube.Clarku.edu
goddard.microsearch.net
exchange.clarku.edu
clarknet.clarku.edu
crush.clarku.edu
woodhouse.clarku.edu
clarknow.testing.clarku.edu
goddard.microsearch.net
clarknet.clarku.edu
useastucc5.acquia.com
www2.clarku.edu
news.clarku.edu
cluster.technolutions.net
wordpress.test.clarku.edu
snowwhite.ad.clarku.edu
cluster.technolutions.net
adfs.clarku.edu
goddard.microsearch.net
cluster.technolutions.net
planning.clarku.edu
itshelp.clarku.edu
cluster.technolutions.net
cluster.technolutions.net
commons.clarku.edu
cluster.technolutions.net
cluster.technolutions.net
lists.clarku.edu
useastucc5.acquia.com
moodle.clarku.edu
www2.clarku.edu
access.clarku.edu
cluster.technolutions.net
goddard.microsearch.net
canvas.clarku.edu
apply.clarku.edu
clarkconnect.clarku.edu
www.clarku.edu
mathcs.clarku.edu
cluster.technolutions.net
acquia-sites.com
cluster.technolutions.net
discoverer.clarku.edu
access.clarku.edu
gradapply.clarku.edu
webapps.clarku.edu
www.clarku.edu
apply.clarku.edu
titaniumweb.clarku.edu

Certificate

The complete raw certificate details for planning.clarku.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAENQP80dXV4pluv7lonaqbFKNu2+R5oXi7
c1VNECvjnMT6FA2nEp5pUBNAtYCaCSGXfLnIy5m4pVHS0CauW72Pmgx0KW3Scru6
tJKu1pTF2CoYEMpmfE+tW7HHrqtMKglw
-----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 431247169867261163107422770315096771649714
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-11 06:43:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-09 06:43:39 +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 'planning.clarku.edu'
 . . . . . . . . [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 1.3.132.0.34 (secp384r1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				00043503fcd1d5d5e2996ebfb9689daa9b14a36edbe479a178bb73554d102be39cc4fa140da7129e69501340b5809a0921977cb9c8cb99b8a551d2d026ae5bbd8f9a0c74296dd272bbbab492aed694c5d82a1810ca667c4fad5bb1c7aeab4c2a0970
 . . . . . . . . [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)
							fc2cb99ff1f4b5bb8400d2fae382f713153d2a78
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'planning.clarku.edu'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bbd5622db000004030047304502206904d2f4648cef26b33bd1c75d6adc1361b52cab61fa2a6d2628b50a1d9b5215022100f7cd1ef7590a234485263a5c296db5a3f1f879f126886d1067143e4f51897bbc007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bbd5622e10000040300463044022008772d6b9bba5da22d0b125e217666e67704e5bb9f2d730d1caf570694c7e56202202d02f055c02cc9ee3dedb0b229bb64149832960c21db7bab659ec3d97e512e36
 . . . . [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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