halsey.cofc.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:67:d8:3f:31:d3:47:83:fa:a8:7c:08:45:cd:d1:2b:5b:52 was issued on by Let's Encrypt.

With 4 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:
  • 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=halsey.cofc.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:67:d8:3f:31:d3:47:83:fa:a8:7c:08:45:cd:d1:2b:5b:52
Serial Number (int): 296673382960506377057408025033319144708946
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 06:9a:42:75:fb:ce:79:5a:01:60:f9:32:eb:b3:d5:1d:e2:9d:2d:13
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4c:dc:1a:11:71:5f:e1:97:eb:b9:89:03:18:8c:06:1b:68:8d:dc:86
Fingerprint (sha256): 0e:f8:4b:46:20:84:6e:f8:69:56:db:08:7a:1a:2a:cc:eb:13:b1:77:b8:e8:e0:16:02:17:82:c3:36:0f:54:7a

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

Revocation information

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

Check the revocation status for certificate halsey.cofc.edu

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for halsey.cofc.edu

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

displacements.org
halsey.cofc.edu
southboundproject.org
www.halsey.cofc.edu

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Certificate

The complete raw certificate details for halsey.cofc.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv3A/g3/EpDP1hQDjAxJV
DEWBhUEVfT9y5gqrCNIY6tqt9GXNKBEPZuqWUpZRc42tL+xyO/9HEMVTzAxKntwA
ui0btZXyLkvMrqJEVjlFy8x1PR+hcaEypH9QQyuXEHPVFjowS1DAZ7iSmb53e+Hc
LTrh1CBlw3njfwy4sJdVMKz7sT5t/qQW7abajT4vwbFmZCloauEfL5828A1p+fAE
8CetYVXpY1nqwecCEjD0wNTohxj98cgKLzCtuyJG1vMRxstkRFDy7UHzPZ/P6ffx
1OVfHKpzzb79448F6WXk0uwdE6Ivb5cTV4WY+HJouT5t+IaQ1RyhOqbBqk4BYkqF
EwIDAQAB
-----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 296673382960506377057408025033319144708946
 . . . . . . . . [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 2023-11-23 12:02:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-21 12:01:59 +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 'halsey.cofc.edu'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (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 24166867849741254869717388564907838709448263013558550660961319699454376073581645342618653360441710129068046494539845026981639362605317136608050647619072718251342330018035336911208140819029467250896895468045491820221057880063457909281836372447707340746427638094786671593100916346329947969613535854264336006965829659315030107550401553063452805521088736250859459672903148995721530994127213842040410036271115397730832391362582628773841848714021800142150199456550539119576897994758307490437823522997415395472541065895226593695757430892504840382456990828732321073903738103684287216473181586164281769236717353310452399637779
 . . . . . . . . . . . . . . . . . . . . [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)
							069a4275fbce795a0160f932ebb3d51de29d2d13
 . . . . . . . . . . . . . . . . [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 (82 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'displacements.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'halsey.cofc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'southboundproject.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.halsey.cofc.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bfc45e496000004030047304502203cb2a6065ff027d3082d37ec0fe088607ea126d7a01c3f57682414ae8b980d23022100b1ded87368caa0f39231573cb9851cbeb1cabdaf5e519b9ade9a13aa711dafcb00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018bfc45e4d2000004030047304502205e37644f7e0918f54328e7214706aec42629c89afb4c1557e936e84a2a034f060221009bb39caf49c6ad2fe19e189aedeee5833b07ea012a574675cab8d6475c3e281a
 . . . . [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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