askus.library.citadel.edu

Issued by R3

About this certificate

This digital certificate with serial number 03:f1:9e:da:f9:68:cf:e3:46:6a:0c:f5:5e:f1:7e:a9:e7:29 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=askus.library.citadel.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:f1:9e:da:f9:68:cf:e3:46:6a:0c:f5:5e:f1:7e:a9:e7:29
Serial Number (int): 343556063225900145301352240114598450685737
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 68:e9:47:22:02:a5:54:82:9d:4b:06:9b:8f:2d:67:50:bb:56:f6:92
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c0:1a:61:25:5f:9a:2c:60:32:1e:32:5f:9d:13:38:fd:db:48:fd:63
Fingerprint (sha256): 1a:79:d5:16:11:fc:54:10:75:6b:3b:b6:a1:86:06:3e:46:79:b6:7c:41:e6:ef:eb:6e:b9:3f:a0:9c:f4:7e:63

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

Revocation information

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

Check the revocation status for certificate askus.library.citadel.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for askus.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

askus.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 askus.library.citadel.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE/zCCA+egAwIBAgISA/Ge2vloz+NGagz1XvF+qecpMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAzMTMxMjA3MTZaFw0yNDA2MTExMjA3MTVaMCQxIjAgBgNVBAMT
GWFza3VzLmxpYnJhcnkuY2l0YWRlbC5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IB
DwAwggEKAoIBAQCqPoEOwmj2kZOzWmmVOZVjpmY67jpWv7D+08z3r2gv3Q9zcTXY
LkudZXnVuxblmfB69LELhHynGdq4T9Va77/K02QLutTm23ZubGDkgJOnIkxHNyBV
BtdGcvt7xh7WfEyqwQS3jOJjdSxOknJI3LvoIgIroC9VmwlQF4eMVy2uh86s1am5
/PTLQOBrRi1GHjg6XbFxcj81Jfv2l6FlzSIdUC4kUX1m5EwFkDJtKtqnJyPQ+r7Z
uO4xkXViexod0hKsVGPuK5B6qqEzoiK7yjOYNhAFP8bISXqmVHXvqesRXM+ZbdUd
ngjKFhphc4k9a+GC2QLxRvsB6iFUfwjx8VQlAgMBAAGjggIbMIICFzAOBgNVHQ8B
Af8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB
/wQCMAAwHQYDVR0OBBYEFGjpRyICpVSCnUsGm48tZ1C7VvaSMB8GA1UdIwQYMBaA
FBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcw
AYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMu
aS5sZW5jci5vcmcvMCQGA1UdEQQdMBuCGWFza3VzLmxpYnJhcnkuY2l0YWRlbC5l
ZHUwEwYDVR0gBAwwCjAIBgZngQwBAgEwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAA
dwA7U3d1Pi25gE6LMFsG/kA7Z9hPw/THvQANLXJv4frUFwAAAY437JoxAAAEAwBI
MEYCIQCg8PZiBSMdmu64HzM+6HFQ3uG5u6hdKurpkm7ZgZw9JgIhAPzQrUnLoSwQ
ZLocszUCb9lciSYW8zJNHT3HWUw8YGRMAHUA7s3QZNXbGs7FXLedtM0TojKHRny8
7N7DUUhZRnEftZsAAAGON+yaLQAABAMARjBEAiAUchCo7KfB9yCJU51osGwmAitD
8I9v/d0pvWZ0fvn0nAIgIyWHnJrKebmKEfSQSUHbPtxgTw/RWXY8z+TFJsuVmlUw
DQYJKoZIhvcNAQELBQADggEBAGsSVPbYjBxZxiSdKLbOjb30k+U8J2lRV+wr5Bmy
YBe27UVqPnvZGgTbGItPgono7pX00W5F8Tgn9GhmAqxjx46TH7OL4SNqPXyHwHyB
lkg/QO/kMgED4WWZgKJPWzOl4J3eOa/jFjuyhJa6p+WsBRCWRNPWEpZnujlRDDoY
52r5IbRiU7Up6e85UJUcMyS0v9ukUqvsqNgxGR8pSB7Y8VBvri6jz3eIq4N4ZZ2c
AjAGWLbQjEHXYwIwTavRfm7H2GVkkxxDpdGJQLBk4yHMTM/sn1IKRfRtZPXSIaMe
B2dI2+L1A5A27L1EqFYgJPBAjNVKBEmRZ8VySNApJb/aR2g=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqj6BDsJo9pGTs1pplTmV
Y6ZmOu46Vr+w/tPM969oL90Pc3E12C5LnWV51bsW5ZnwevSxC4R8pxnauE/VWu+/
ytNkC7rU5tt2bmxg5ICTpyJMRzcgVQbXRnL7e8Ye1nxMqsEEt4ziY3UsTpJySNy7
6CICK6AvVZsJUBeHjFctrofOrNWpufz0y0Dga0YtRh44Ol2xcXI/NSX79pehZc0i
HVAuJFF9ZuRMBZAybSrapycj0Pq+2bjuMZF1YnsaHdISrFRj7iuQeqqhM6Iiu8oz
mDYQBT/GyEl6plR176nrEVzPmW3VHZ4IyhYaYXOJPWvhgtkC8Ub7AeohVH8I8fFU
JQIDAQAB
-----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 343556063225900145301352240114598450685737
 . . . . . . . . [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 2024-03-13 12:07:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-11 12:07:15 +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 'askus.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 21491333780202564997246326103156617124568506423870427829780964182582558211892836075223153210215329037565803714421660562444688354204441363436104198793969515426317413137845486034019636879660720503612600398749394037185288419554508508836770254311858318610014016160014732938515981114031789610621774297944555489190025129579455797830974924276730517338372829674244339360625086777643939265498625454086897957428638688408285804032943247181870045064567806071275698501517092595896335102876753762947168570684270531441158449996815332391323066154198720572615764088750863175568596547226806976933607560643649204737535764167715267367973
 . . . . . . . . . . . . . . . . . . . . [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)
							68e9472202a554829d4b069b8f2d6750bb56f692
 . . . . . . . . . . . . . . . . [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 (29 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'askus.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)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e37ec9a310000040300483046022100a0f0f66205231d9aeeb81f333ee87150dee1b9bba85d2aeae9926ed9819c3d26022100fcd0ad49cba12c1064ba1cb335026fd95c892616f3324d1d3dc7594c3c60644c007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e37ec9a2d00000403004630440220147210a8eca7c1f72089539d68b06c26022b43f08f6ffddd29bd66747ef9f49c02202325879c9aca79b98a11f4904941db3edc604f0fd159763ccfe4c526cb959a55
 . . . . [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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