citadel.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:a9:60:33:70:9e:12:b3:d5:37:5c:29:a5:77:bd:f9:2d:c0 was issued on by Let's Encrypt.

With 3 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=citadel.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a9:60:33:70:9e:12:b3:d5:37:5c:29:a5:77:bd:f9:2d:c0
Serial Number (int): 406084736715568437532838348047278283500992
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2d:41:c6:6a:c2:33:9b:c8:9b:7d:2c:f8:97:df:67:1c:90:2b:7b:f0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 97:f4:93:49:c1:8c:c1:64:2c:8a:b7:14:12:36:7f:69:4d:1c:61:5f
Fingerprint (sha256): 9e:13:cf:0b:4a:f3:e9:8a:dd:7b:68:03:3e:85:22:75:89:f6:71:34:07:fc:2f:51:23:73:c5:92:99:a4:a3:0f

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

Revocation information

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

Check the revocation status for certificate citadel.edu

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for citadel.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

citadel.edu
go.citadel.edu
www.citadel.edu

Other certificates including the domain name citadel.edu

(limited to 100 certificates)
radius01.citadel.edu
cfprd.citadel.edu
2008dhcp2.nation.citadel.edu
coldprd.citadel.edu
coldprd.citadel.edu
askus.library.citadel.edu
foundation.citadel.edu
cacprdapp.citadel.edu
secure.citadel.edu
foundation.citadel.edu
foundation.citadel.edu
bantstssb.citadel.edu
lesesnegateway.citadel.edu
lesesnegateway.citadel.edu
library.citadel.edu
foundation.citadel.edu
brand.citadel.edu
zprod.citadel.edu
*.citadel.edu
lesesnegateway.citadel.edu
foundation.citadel.edu
lesesnegateway.citadel.edu
foundation.citadel.edu
zprod.citadel.edu
banprdssb.citadel.edu
today.citadel.edu
*.citadel.edu
citadel.edu
banprdssb.citadel.edu
dhcp-citadel.nation.citadel.edu
foundation.citadel.edu
citadel.edu
jobs.citadel.edu
coldprd.citadel.edu
access.citadel.edu
ad03.nation.citadel.edu
library.citadel.edu
citadel.edu
askus.library.citadel.edu
libcat.citadel.edu
banprdssb.citadel.edu
*.citadel.edu
foundation.citadel.edu
dhcp-ladson.nation.citadel.edu
apply.citadel.edu
foundation.citadel.edu
citadel.edu
banprdssb.citadel.edu
lesesnegateway.citadel.edu
citadel.edu
brand.citadel.edu
banprdssb11.citadel.edu
*.citadel.edu
jobs.citadel.edu
campuscenter.citadel.edu
campuscall.citadel.edu
coldprd.citadel.edu
cfprd.citadel.edu
citadel.edu
foundation.citadel.edu
foundation.citadel.edu
sioux.nation.citadel.edu
banprdssb11.citadel.edu
today.citadel.edu
banprdssb.citadel.edu
mag.citadel.edu
foundation.citadel.edu
*.citadel.edu
*.citadel.edu
library.citadel.edu
*.citadel.edu
jobs.citadel.edu
askus.library.citadel.edu
citadel.edu
foundation.citadel.edu
foundation.citadel.edu
2008dhcp1.nation.citadel.edu
today.citadel.edu
libcat.citadel.edu
ad02.nation.citadel.edu
krausecenter.citadel.edu
giftshop.citadel.edu
foundation.citadel.edu
foundation.citadel.edu
citadel.edu
sioux.nation.citadel.edu
banprdssb11.citadel.edu
askus.library.citadel.edu
lesesnegateway.citadel.edu
library.citadel.edu
banprdssb.citadel.edu
ad01.nation.citadel.edu
*.citadel.edu
mail.citadel.edu
mag.citadel.edu
libcat.citadel.edu
hrweb.citadel.edu
foundation.citadel.edu
*.citadel.edu
today.citadel.edu

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9JN61R0OEToyc9CIab1N
fFPve9HGDGrKGYI2xIZDj1g0/YpVvHizoPQmjkhcgffw0DLtIcdqKmZwWURQkKdA
P22GGARM8LLaHTGj2/AzuU5CZGNEMPcva3YNWgQk9hY+0unXuv/T4vdgT/3FbwuH
7XVLuu4g+czlbMzruU+Yy54s1vyp1W4/NraAq8T9qVUYBLtp1Uvzw2vJ4MQIXdae
NRvgRqXWpRHggyeaD/2DrO1wXAB4YY+sTuLY/Exugh8G057soGHwiQNa6myP6enc
wLAmWU0lp3ebW91iAj5jD5qhwJCSp6xNbr10ujDrq/YKK0BUm9dFH31bmQB68DQk
uQIDAQAB
-----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 406084736715568437532838348047278283500992
 . . . . . . . . [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 2023-09-15 16:07:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-14 16:07:03 +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 'citadel.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 30874871418674330599856582475032938667375268619443001630863980336265595132255055319191643458111097912849518683644418268103987213994455977559607858848119842980533392049063729003920357542074988987461137585846020662431659934377838370289619002655875385799518291331039036698807426681817568646147255938646103126008097680224992782780625624378043298116774876838353123724342507002380006971784078794529182989372683470709944523843444459913842097363110245276310289984800758291731507727636966622104526315616493280025870076217545288249244971934789372294783507838417764757756356243493322858302549568740438214483485562672125977044153
 . . . . . . . . . . . . . . . . . . . . [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)
							2d41c66ac2339bc89b7d2cf897df671c902b7bf0
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'citadel.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'go.citadel.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.citadel.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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a99cf75990000040300473045022100b2057483e9ab98580f15972be4a8e7ab8a34edf230d225fe8961c057243ebbb602201b758db4ad05d3aa092b56591879087ffe9560e42636c5bd5810054f60229ad60076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a99cf75b20000040300473045022100847ca8ed2d1093cba913e2fb57e7160b3c0fe9d5cc61fe43879f7c431c1e76dd022060726009bfafdea823365c1806c09f60c019e579d62f5ab4fef24b859b3dbbd3
 . . . . [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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