coloradoencyclopedia.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:05:86:22:0d:ba:8d:31:ef:b0:87:51:f3:05:61:98:99:d6 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): 03:05:86:22:0d:ba:8d:31:ef:b0:87:51:f3:05:61:98:99:d6
Serial Number (int): 263216562997865261999073872007633542093270
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ec:22:b1:31:35:c0:cc:3d:f4:e0:c6:93:57:c6:30:45:15:04:fa:73
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ce:28:1c:77:85:86:40:04:92:1d:8f:1e:36:1a:40:dc:19:57:f7:03
Fingerprint (sha256): 5f:7c:53:c2:f4:f7:65:df:7f:ab:92:f9:54:63:26:80:f3:5f:f7:9b:d3:a3:4d:e3:bb:a9:87:65:e0:f4:77:23

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-----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-----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 263216562997865261999073872007633542093270
 . . . . . . . . [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 2016-12-17 13:51:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-17 13:51:00 +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 873469181482146116734827993128119817677823885854574704581281963588616487611803259069083085390687895432264358962000030700765246242979551181619030620377203089614167817831902729541654365136611998126654504779927341065940683734003509189650479599774478842091615548372992629893129718596016526177668947079502487857268682342615819647944283131513957154004453042831224044602912418111973053230792167664353288110801290041268170842396075820955376550729986449670479003048291596494457138069533335762878094836629837895246401980767541054371074990659786204327635256901243406873448009927119259894978482055310341535574688341053556141823743260303251739711112345406494147792389967410897370702393317156302077258816551751912402999767344886876517357386522397299281569235436644121648853284904466858318810710475310277421035747303726388269030808951699960278825844658154625073522179962014098545239144221100906779862267728375973356890364017231769334737287192929996846167856205427513355337220160610140045746100128407296305677911950127338400964972844640216658303690523989715682233982706887557021644708636128818687385576023785102966414054490229869744030366872470272812693690241094131776629093483200572326190315218877912130941872063142667566034606702651750853957581531
 . . . . . . . . . . . . . . . . . . . . [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)
							ec22b13135c0cc3df4e0c69357c630451504fa73
 . . . . . . . . . . . . . . . . [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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