lunderinstitute.colby.edu

Issued by E1

About this certificate

This digital certificate with serial number 03:07:28:8b:3e:f3:74:49:eb:21:5d:b9:28:1c:5b:d3:ca:a4 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=lunderinstitute.colby.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:07:28:8b:3e:f3:74:49:eb:21:5d:b9:28:1c:5b:d3:ca:a4
Serial Number (int): 263772726489619870700537366498901451066020
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 1e:61:82:63:30:7d:e8:45:1c:f6:ae:34:ea:06:d0:e3:98:a7:f9:59
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac

Fingerprint (sha1): db:85:d6:78:6e:83:92:2f:b5:dd:ad:66:c6:ea:18:aa:3e:2d:80:a1
Fingerprint (sha256): 33:c6:66:64:6a:ec:a5:4e:eb:9b:b1:2d:11:65:5d:d7:bd:5c:60:d0:28:e5:7e:04:23:09:35:a0:38:78:67:71

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

Revocation information

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

Check the revocation status for certificate lunderinstitute.colby.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lunderinstitute.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

lunderinstitute.colby.edu

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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 lunderinstitute.colby.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEFAmTsuQfou8kvrhnhMTAz6QEyJdo
Jeqda+J1DYsiJeCJjntG6UiuwJq1enA42PHFcW29AsJtST/q4kZhKqjJaw==
-----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 263772726489619870700537366498901451066020
 . . . . . . . . [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 13:43:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-21 13:43:37 +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 'lunderinstitute.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)
				0004140993b2e41fa2ef24beb86784c4c0cfa404c8976825ea9d6be2750d8b2225e0898e7b46e948aec09ab57a7038d8f1c5716dbd02c26d493feae246612aa8c96b
 . . . . . . . . [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)
							1e618263307de8451cf6ae34ea06d0e398a7f959
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lunderinstitute.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f0643321400000403004630440220300be2e63bcaf0fd30b9138928874ed291fd137117a526b733cc18ae459d8dec02202376b6ed0a13fb358910bfa9c256193175c7cff73c4ed7eb385d0bf784f1cf7c007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f06433206000004030047304502203d938f7ba01bda02ebf8f749fe9654dcffe40655782ef64a4769ef075063c536022100d4d229c91be50b868c42fc941046c039865e193db9c7b5082e1929b795cfae3d
 . . . . [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 (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 19985290314164323271502181594902941706726283016622859907748968872389286954875778806116317305588971331440079164345484
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 37423194623731281832546622532850344400627943016205176847229003857882816452294564496009485058844729898419352149586175