coloradoencyclopedia.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2f:b9:1d:7e:8d:a2:98:db:d6:c3:61:12:9c:a8:fa:91:6c 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): 03:2f:b9:1d:7e:8d:a2:98:db:d6:c3:61:12:9c:a8:fa:91:6c
Serial Number (int): 277576189363199057010236062624848174289260
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0e:c9:67:5e:fa:0b:dd:ae:01:44:71:b3:32:28:0e:aa:84:48:2b:8a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 38:7a:fc:9e:51:c0:d6:9b:57:a0:f4:b4:12:3b:56:1e:1c:d3:80:b0
Fingerprint (sha256): eb:32:27:74:33:a1:eb:f7:1e:a8:7b:bc:36:e5:d1:34:6c:98:0d:19:d9:88:b2:e8:52:50:a8:94:c6:4a:63:f3

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

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

coloradoencyclopedia.colostate.edu
coloradoencyclopedia.org

Other certificates including the domain name coloradoencyclopedia.org

(limited to 100 certificates)
coloradoencyclopedia.org
coloradoencyclopedia.org
coloradoencyclopedia.org
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Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAldtDJdO8TgsUz2AQLP5U
tEgy/N/CcGuPu2dLwZkm+LLUjqxueOzm28GUZf+BImwCeHEhcHezDJKtonbD+haZ
kDK+njR5PZrQ0TSs11Z+lBwDd7BvO1DxKQpCVwiPO32BK+CTbB10hMcr+tjFkbD4
cX6N19pfhBdd9U2lrggNwywvuncJ7tvIOa/dJHJyVwaUMUhVzZN8Xpk7uYqLCk0T
Y/EcM9KT0awEYWWvgACu1dPuIk+Vhg85owvXF8ocaEf5fVORPwVwHADmnDrxkdSM
idE3JT+0zB8BM/MPzMhPL4Jb3W7HspCJs9rn/G3diPnGcvSoQmYdwB/MRLT4EqZv
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 277576189363199057010236062624848174289260
 . . . . . . . . [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 2019-03-07 15:56:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-05 15:56:34 +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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 18917629707845629981051626871468235630331034780411072026681121272685279094040034155648605297944257661814147012023379461947897911764456634156993498035307174131425180520917288393205511184894187103530498649829269225533971905311204740537505860062801411007861072907398239018444072391616023335885341423070876033558955466410687730684349140398317100015359921212724824060701008021968059579742404955272263616441003000148370405494877236860333402031126195452876617698690254593275784218478869497393820342673685165240180592343861359654132761557513631845634078755845738515129744560414664095881855162099096969143929217496963957026751
 . . . . . . . . . . . . . . . . . . . . [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)
							0ec9675efa0bddae014471b332280eaa84482b8a
 . . . . . . . . . . . . . . . . [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 (99 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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001695915ca75000004030046304402203e867b07baf36dc7f13363be8e2b93907cf89d89657cd70d166286bb57661c9d0220257744be89feeb8ed6d68f1deec515a310f7667ef2b78b819dc51b5bb53d74da007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001695915cc690000040300473045022100dd2096057731e1e5b5f3fc6d10f8d80fef387f2641a2092d833086e37d4bacc9022053da6713adf1b9df710a695ab907191121e35eefbee5df60e542a0ff6d663568
 . . . . [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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