coloradoencyclopedia.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:43:e8:b5:ae:98:2d:10:8b:14:41:3b:61:43:64:a4:93:5c was issued on by Let's Encrypt.

With 2 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=coloradoencyclopedia.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:43:e8:b5:ae:98:2d:10:8b:14:41:3b:61:43:64:a4:93:5c
Serial Number (int): 284445100620933010840828728364479946199900
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bd:57:96:87:0e:38:09:3d:1f:d6:9f:d6:17:4a:22:e4:9c:81:89:c5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 57:78:f7:a0:ce:cf:62:08:cd:25:27:cf:86:53:76:f8:f8:22:1e:d1
Fingerprint (sha256): 6f:9a:c4:3a:f2:92:b6:05:bf:38:91:04:9e:b4:72:d1:a8:fd:44:a7:56:00:b0:85:7d:63:a8:f4:36:3e:29:99

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org/

Check the revocation status for certificate coloradoencyclopedia.org

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for coloradoencyclopedia.org

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

coloradoencyclopedia.colostate.edu
coloradoencyclopedia.org

Other certificates including the domain name coloradoencyclopedia.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for coloradoencyclopedia.org in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGODCCBSCgAwIBAgISA0Pota6YLRCLFEE7YUNkpJNcMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xNjA2MjMxNTM4MDBaFw0x
NjA5MjExNTM4MDBaMCMxITAfBgNVBAMTGGNvbG9yYWRvZW5jeWNsb3BlZGlhLm9y
ZzCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALq/eKRbl73eyZeCHwWH
OZ442swLMnSQM6huV1vCEwaufl9n/LyGt/VrjWPtnMfdXmuG1oP/QHDfbPCvdf55
wT2MHeZWdmzKdt4wRLxE/SUDX0WPTwHC3N8+Ylqd6CeQu3EaRhZpVATXpx1Saa86
kATzOrpSO0NPVtuAJLj7ZrfuGhJOaPVbjH5H3s7FTlLxXs7T8XuYS4KIt3ENOdXz
d3vc/aig8J5ehXaYGagIGTVM4cAs25AHRQgqEZCmt0MmXgKZZHFQd4ADaLees4HG
Dqurkqg0f3RPGxtse+BDuLPHsQ/jhyJ5aVJ/xnWzqZLBCp5ftEvMD0nVAB9m0hJ+
44VIaNY/jTN1Y2N05LK5xIDNpmaAxvmNOdAbX7D7+NIXodHChfh2MMy8T5FFLMWL
qsc+4xvTT3EJDxuqKxo3Pv0+yeQwvlOo1xGzxV8PMJ66v3aAmMr/MxwISvkJHVd+
MMdDQAExs7ZYdQ5Wiqr7Dd9hIkeEngCA4DN97IYwjCictqz6LYXvKmo/y4p+Luow
8rYhbCtpBBemxh10GV4x6u6NcFJxGdGp3VIuMNg/EFaFrDKyUy8AMnUR8gnukvM5
igd5zihMaQVkketTC5/FHZQTwhePbUiLnx765f/UG+y6MFM1ND0PXdLKFbVbB8Vk
/B4z/T8n5zKVeajGkRT+9BmVAgMBAAGjggI9MIICOTAOBgNVHQ8BAf8EBAMCBaAw
HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFL1XlocOOAk9H9af1hdKIuScgYnFMB8GA1UdIwQYMBaAFKhKamMEfd26
5tE5t6ZFZe/zqOyhMHAGCCsGAQUFBwEBBGQwYjAvBggrBgEFBQcwAYYjaHR0cDov
L29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8wLwYIKwYBBQUHMAKGI2h0dHA6
Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcvMEcGA1UdEQRAMD6CImNvbG9y
YWRvZW5jeWNsb3BlZGlhLmNvbG9zdGF0ZS5lZHWCGGNvbG9yYWRvZW5jeWNsb3Bl
ZGlhLm9yZzCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEw
gdYwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggr
BgEFBQcCAjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVk
IHVwb24gYnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ug
d2l0aCB0aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0
c2VuY3J5cHQub3JnL3JlcG9zaXRvcnkvMA0GCSqGSIb3DQEBCwUAA4IBAQBLlhpV
6nUZut3pQVh8xuO0L+UVFzZI0ceGwGBz/QGNj3C22IIgfvbXyvG7OBzAqkYDVzFa
Dsh09hxpNrVDdrIkc9NBynmDOnB09PPqLhtiP37DfuuEVLBtP7eibpsEgWKXl6lR
ASAga/QDxTdR+6sPoeNg93yvOAcqSDb4vyis1P50M5u5bxDImZMHXY5yRQ1C1beZ
wntWozNwbexFbP88Pw6+c7mkMzI8hmF9rjl0jr6EJcn9hxHYvYbxSlbz718BghW0
wIxJEBCHNJxXZBDYkZ9W5LW86XwA5P3AfcC7P9sAc7N1+wF9+MBmbTMmeFrmn5ee
RI30RqDSGJfE46LV
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 284445100620933010840828728364479946199900
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-23 15:38:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-09-21 15:38:00 +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 'coloradoencyclopedia.org'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 761865103610693553608444580757248325191226398713965666841404445673244708835639788561457275393184425972353489962518609363350190038395904494472357911049710820349032915440218316349505213614276052283836305774798517100759067414436181539985628948651365534602225020786342756856041396391175179720841097514892455743619190740818573744180905377458963064094657603603719473734421460876654213379309757931032760042457397088705729459073363198559357229203844460526885549957792942234829881062438294511079321106780838636879838318119057683413987120313357756307078213797670566180488158687728768717539576174207890033210702086023661864033808434845225305240859328262932993785346174058403730895132637462429716127823044170408812092588344717007038802770006417036151635658179816479736916772366541881515121093027568538552689965112642217703084894650051931572344088974289275076092904536009819152802112174787742074962759481314534367049928120945253137231036969604588447802861633715671295334794109848237287175967149363518800217310712341221186380368089832761377652724696454034614219168698286053663100486235936890833552296872724365656239592698022939626519329329903246980760821590780018457814831441794972065933134032299585608704616269797084509783830008375744046768069013
 . . . . . . . . . . . . . . . . . . . . [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)
							bd5796870e38093d1fd69fd6174a22e49c8189c5
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (100 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (64 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'coloradoencyclopedia.colostate.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'coloradoencyclopedia.org'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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