support.cast.ilstu.edu

Issued by R3

About this certificate

This digital certificate with serial number 04:bc:22:35:f2:9a:05:12:01:50:86:46:a6:8d:69:e6:45:2b was issued on by Let's Encrypt.

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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=support.cast.ilstu.edu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:bc:22:35:f2:9a:05:12:01:50:86:46:a6:8d:69:e6:45:2b
Serial Number (int): 412467702572313437505975657749709559579947
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 2f:50:58:85:5d:7a:3a:a7:9c:84:20:73:cd:05:3a:ba:d9:61:b7:57
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 14:df:4d:cf:c8:a7:7d:f8:83:1f:4a:22:7f:28:c8:f1:b2:54:54:65
Fingerprint (sha256): 12:c1:0f:3c:17:44:c8:19:ac:14:59:8d:e5:5e:15:d9:aa:c8:c7:6e:be:ea:39:29:86:56:f9:32:76:d2:3b:c2

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

Revocation information

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

Check the revocation status for certificate support.cast.ilstu.edu

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for support.cast.ilstu.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

support.cast.ilstu.edu

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wgltradio.ilstu.edu
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libre.ilstu.edu
gitlab.it.ilstu.edu
updvpn.ilstu.edu
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webtrac.ilstu.edu
external-domains.ilstu.edu

Certificate

The complete raw certificate details for support.cast.ilstu.edu in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE+TCCA+GgAwIBAgISBLwiNfKaBRIBUIZGpo1p5kUrMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzA4MDgxOTI1MjJaFw0yMzExMDYxOTI1MjFaMCExHzAdBgNVBAMT
FnN1cHBvcnQuY2FzdC5pbHN0dS5lZHUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAw
ggEKAoIBAQDBEqvhYTHr1N5mXuUPj3fXIHpQ/coL+wfhNhRPnhv/IS5fbm3b+rob
tZbjE4q93TJwJdr2gEnfjbfaTz67XGhcc9dzF/wqmRjZe3xKD+49ix2hFLFcH3gA
mI1guW2yCBlTpKNbjEDWBl/+aeoV2l5Of65HEGm1wyggn11H9r/8OE0J9PK89e3Z
Z+xzNYvWChhrfTmPDw+8gJK89gsE+zTtoMsaTNGN9oYfTxI+qXItuEX/q1w/AslN
mmqLv3nlm2H9NYEE+5hmGYbx0Iu4B4uEWYsz+sIZ7VYNscVrkAM3NmVE8HUG/B/B
/nq3xJi4DYRNL+OhW1cjOenCpLWxt2AnAgMBAAGjggIYMIICFDAOBgNVHQ8BAf8E
BAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQC
MAAwHQYDVR0OBBYEFC9QWIVdejqnnIQgc80FOrrZYbdXMB8GA1UdIwQYMBaAFBQu
sxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYV
aHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5s
ZW5jci5vcmcvMCEGA1UdEQQaMBiCFnN1cHBvcnQuY2FzdC5pbHN0dS5lZHUwEwYD
VR0gBAwwCjAIBgZngQwBAgEwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdwB6MoxU
2LcttiDqOOBSHumEFnAyE4VNO9IrwTpXo1LrUgAAAYnW01rtAAAEAwBIMEYCIQCB
P9j0sGj5aDTuinZUt/yNEMDPJIggQ1p4skf7Rzq7BwIhAO45QraiFr5aoF+C2bFD
kV5rM2/ZAK/FYIDupoT4KoYzAHUA6D7Q2j71BjUy51covIlryQPTy9ERa+zraeF3
fW0GvW4AAAGJ1tNa3gAABAMARjBEAiAUC6gMzUL3e7PVQz1+L8mRSzkxwrEJKrIt
PSsIYyaU6QIgX7Sty6ybO+jppuZwRhO7ImniXuEW3va8nbCEhbBKTa0wDQYJKoZI
hvcNAQELBQADggEBAAb+IfhbI35Wf87fkPxcGiCSE29j5604rS3+Xr3HRwYcXXRU
nCHNdtDLRSwfi1tEkXobylYrLCWbqprrDkmGA9tyqOmPu56Plh3q59KX3bTJnAXR
9TShGpKnECCcoyRxUpFZoCT/aGX/C8wlCKt1eHWZlK3xBVgnOp0Qi6IcMBtAwWzK
cccSkZwba0fDMR38YE7/u/g+AelrewspwtHDqsjFdk6GC/wwFR6jnh71orn9IBeS
4syOmCgL0FY/YiYoU0aj0IZQEw0HEfYSBYO+AqvGnsSQZ3JyRC4JqskfT7jCaJXc
6W61/JWC0N6cg/xFSiCAKEyZ/A0rMccHBGbTT9w=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwRKr4WEx69TeZl7lD493
1yB6UP3KC/sH4TYUT54b/yEuX25t2/q6G7WW4xOKvd0ycCXa9oBJ34232k8+u1xo
XHPXcxf8KpkY2Xt8Sg/uPYsdoRSxXB94AJiNYLltsggZU6SjW4xA1gZf/mnqFdpe
Tn+uRxBptcMoIJ9dR/a//DhNCfTyvPXt2WfsczWL1goYa305jw8PvICSvPYLBPs0
7aDLGkzRjfaGH08SPqlyLbhF/6tcPwLJTZpqi7955Zth/TWBBPuYZhmG8dCLuAeL
hFmLM/rCGe1WDbHFa5ADNzZlRPB1Bvwfwf56t8SYuA2ETS/joVtXIznpwqS1sbdg
JwIDAQAB
-----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 412467702572313437505975657749709559579947
 . . . . . . . . [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 2023-08-08 19:25:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-06 19:25:21 +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 'support.cast.ilstu.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 24373200072778679341476321003672409390637907477316787495173096704654263566452534759564814822174659015768111750422244464155533011123815518492524282646431150431777046449706097858545853922503396691729916423979960269636988278728213666133566240971899401895588470558881214336405333688051961661946598612791554057178882255854739644949160431497216966754342523961396561932957527635413463360400467545652696303028317675730332296478416318442415225211301071327980141398381169752422920700523345628289403230484489077060257243173146905374155480552812444493095943524472551103895192547576345212238998565380855874640462737612828109660199
 . . . . . . . . . . . . . . . . . . . . [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)
							2f5058855d7a3aa79c842073cd053abad961b757
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'support.cast.ilstu.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)
							00f00077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000189d6d35aed0000040300483046022100813fd8f4b068f96834ee8a7654b7fc8d10c0cf248820435a78b247fb473abb07022100ee3942b6a216be5aa05f82d9b143915e6b336fd900afc56080eea684f82a8633007500e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000189d6d35ade00000403004630440220140ba80ccd42f77bb3d5433d7e2fc9914b3931c2b1092ab22d3d2b08632694e902205fb4adcbac9b3be8e9a6e6704613bb2269e25ee116def6bc9db08485b04a4dad
 . . . . [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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