web.colby.edu

Issued by E1

About this certificate

This digital certificate with serial number 03:a7:83:a2:8a:f7:24:95:4c:0f:6f:22:a2:0f:5f:9b:50:76 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=web.colby.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:a7:83:a2:8a:f7:24:95:4c:0f:6f:22:a2:0f:5f:9b:50:76
Serial Number (int): 318338985909169573354120541507025502949494
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1d:a2:b3:78:48:d4:61:4e:3b:f7:f3:44:b0:23:a5:cb:80:c3:c2:5c
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac

Fingerprint (sha1): 19:c4:55:ff:9c:50:32:0d:b0:53:a4:a2:f5:b5:54:e6:47:fd:33:e5
Fingerprint (sha256): 04:15:a8:21:c1:a7:17:87:6c:42:4d:a9:26:e7:d0:c4:6f:05:d9:7e:96:00:dc:c3:d3:b2:2e:6e:70:99:8c:cb

Issuing Certificate URL: http://e1.i.lencr.org/

Revocation information

OCSP Server: http://e1.o.lencr.org

Check the revocation status for certificate web.colby.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for web.colby.edu

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA384

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

web.colby.edu

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(limited to 100 certificates)
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alumni-secure.colby.edu
davisconnects.colby.edu
admissions.colby.edu
its-status.colby.edu
oktapreview.colby.edu
cluster2.technolutions.net
*.colby.edu
bookplates.colby.edu
vrppdt0.colby.edu
librarysearch.colby.edu
idp.colby.edu
dns.sterda.com
web.colby.edu
ems.colby.edu
vrppdt0.colby.edu
sni.cloudflaressl.com
xenapp.colby.edu
moodle.colby.edu
cluster2.technolutions.net
sni.cloudflaressl.com
cluster2.technolutions.net
sni.cloudflaressl.com
schupfarts.colby.edu
its-status.colby.edu
admissions.colby.edu
its-status.colby.edu
vwpsfs0.colby.edu
dns.sterda.com
its-status.colby.edu
its-status.colby.edu
sni.cloudflaressl.com
news.colby.edu
digitalcommons.colby.edu
dns.sterda.com
xen.colby.edu
vwpdevcon1.colby.edu
its-status.colby.edu
pgpserver1.colby.edu
sni.cloudflaressl.com
clearpass.colby.edu
alumni-secure.colby.edu
sni.cloudflaressl.com
view.colby.edu
its-status.colby.edu
cluster2.technolutions.net
sni.cloudflaressl.com
cluster2.technolutions.net
terradotta.colby.edu
moodle.colby.edu
its-status.colby.edu
vwpjira1.colby.edu
its-status.colby.edu
cluster2.technolutions.net
sni.cloudflaressl.com
video.colby.edu
cps.colby.edu
admissions.colby.edu
cluster2.technolutions.net
sni.cloudflaressl.com
okta.colby.edu
personal.colby.edu
cluster2.technolutions.net
digitalcommons.colby.edu
sni.cloudflaressl.com
cluster2.technolutions.net
sni.cloudflaressl.com
idpdev.colby.edu
its-status.colby.edu
moodle.colby.edu
sni.cloudflaressl.com
cxweb.colby.edu
archivesspace.colby.edu
citrix.colby.edu
cluster2.technolutions.net
cluster2.technolutions.net
colby.edu
idp.colby.edu
cxweb.colby.edu
its-status.colby.edu
its-status.colby.edu
its-status.colby.edu
web.colby.edu
personal.colby.edu
cluster2.technolutions.net
its-status.colby.edu
my.colby.edu
its-status.colby.edu
mcmi.colby.edu
ems.colby.edu
its-status.colby.edu
vpn-old.colby.edu
*.pfsnr.colby.edu
sni.cloudflaressl.com
admissions.colby.edu
its-status.colby.edu
dns.sterda.com
its-status.colby.edu
lunderinstitute.colby.edu
web.colby.edu

Certificate

The complete raw certificate details for web.colby.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAES0+9w1IY/EmrvQRp3tnWcxi/XyWo
T8CCLEyQimrDihM4uHdWOKi6oYGbtTOV8Moqcz69NSloGjnn52nFqwverQ==
-----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 318338985909169573354120541507025502949494
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . . . . . [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 'E1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-22 13:41:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-21 13:41:31 +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 'web.colby.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 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00044b4fbdc35218fc49abbd0469ded9d67318bf5f25a84fc0822c4c908a6ac38a1338b8775638a8baa1819bb53395f0ca2a733ebd3529681a39e7e769c5ab0bdead
 . . . . . . . . [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)
							1da2b37848d4614e3bf7f344b023a5cb80c3c25c
 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac
 . . . . . . . . . . . . . . . . [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://e1.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://e1.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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'web.colby.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f064149580000040300483046022100adc316f38ab70a5db6a8cc394c5bb5622fd825ad8923c5c85af4da0295a8593d022100b5afc33f8f0d3af27625af3952d96268d39ce61acce06bab67a192217df0ea29007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f064149540000040300473045022100fb3bdfea19ca946122d7bb38bf9f20256f29dd407e032975eabb64829fe1cba002202720fcde9486022280a3a1d9d13ae3a1c4a2f6988338be1e6ee9b77849e66ad1
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . [c:0|t:3|false] BIT STRING (824 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20109243564249174665164996120763125408002438989358789369809832567016067447280660761201816684663627524721113892155144
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 14129321180565454678593812682078857691755658724023872465101205894040307694183786451204788103849485703366760988367230