library.citadel.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:4c:71:57:bc:7c:67:9e:cc:72:a9:e5:f6:c6:bd:55:1a:62 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=library.citadel.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:4c:71:57:bc:7c:67:9e:cc:72:a9:e5:f6:c6:bd:55:1a:62
Serial Number (int): 287348975997571817756781830032881668659810
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9b:40:38:59:6e:cd:17:5b:76:33:08:06:32:d6:9e:15:2b:9a:fc:9e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 70:7c:7b:d0:18:bc:ae:b3:d6:68:d9:a8:47:4f:2d:10:c4:07:c8:6f
Fingerprint (sha256): a4:3b:71:64:c1:82:1e:c9:84:2f:32:0d:6e:23:0f:9f:a2:07:dd:32:7c:b7:5d:3a:c1:7f:98:5e:3a:a4:d0:c1

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

Revocation information

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

Check the revocation status for certificate library.citadel.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for library.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

library.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
library.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
foundation.citadel.edu
citadel.edu
ad01.nation.citadel.edu
*.citadel.edu
mail.citadel.edu
mag.citadel.edu
libcat.citadel.edu
hrweb.citadel.edu

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyqAkaLxIcpCj2Xg0/9aX
1D3L00SgXQSlWLwTZlTnPztTbd3HgN5jwrCxrIUYssl7d7HRiqUICcqfthjXd0IG
yIFqjrjtxmtI3SaN5LLbB6tJOnNKWFWHoPT0R3PTv9lBTfKa09bGq6WKHXgI/5qO
KOTp5n+zWdXpKV5k0dqiN3J2gXXn8JTKIjpH8KpFaX7+xf2Nr+1Zzt+XCyAsEKPs
wTYotB+MPcyztK0kg/KQ/uR1CzPcQcW1sjpCUAzlWmyOyAwza0wSmKE/138opS1g
M3WCREPxofX5xzYhNhrL0Bq7jBknpbsxwy+qPxkvdfE7njBzvp4y36tvEcLc8VkA
VwIDAQAB
-----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 287348975997571817756781830032881668659810
 . . . . . . . . [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 2024-03-12 12:10:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-10 12:10:32 +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 'library.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 25579106676590174469434595472030161183394780882564943806394511687818923000399859932613860593249483043925126671375167994620599625580923041720052676197642696069185737099199182465500998916106107802932157152357566369673272722520830866521185217455020358271295653079864635104184673706765383337945118035150189356277431981764266195616449866131589016215710629616666629488657302694388358880748053636191914779290822211992125491433968705366047273352411913393800173784164566703434103174027723790313208745870155840896899309853275044105185634387783851838093814262358577359693454105449762064563622339798719767618688055158689523892311
 . . . . . . . . . . . . . . . . . . . . [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)
							9b4038596ecd175b7633080632d69e152b9afc9e
 . . . . . . . . . . . . . . . . [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 'library.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e32c93ef70000040300473045022100c02553916c43041bd5147e5f368232e77ce9242d4393ac7cce591845ab9201df02203de6ed49257cd6af2bfac1b656628f774bd9967fc8d306a31f3ce4d68a518a4d0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e32c93efe0000040300473045022100f80869633a4f09dcb9a6cba310b0c778a71d720dd6503d5bb47f707d184b12710220053dc5a5d0663024b13c9f6b34f0f97fcbacc89187501001ba40ea832961cb60
 . . . . [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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