cofactor.am

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8b:bb:2b:4c:49:0b:c9:46:a4:ca:27:54:26:30:85:9d:e0 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=cofactor.am

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8b:bb:2b:4c:49:0b:c9:46:a4:ca:27:54:26:30:85:9d:e0
Serial Number (int): 308884897248518316030973320405774527471072
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ad:5e:71:62:08:26:6c:f7:e6:2e:8c:8e:bd:5c:e1:af:ad:ca:55:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 33:b5:7b:d8:76:63:17:03:a8:2f:79:06:cd:fe:b0:18:00:c6:a6:d7
Fingerprint (sha256): 33:a4:ec:73:f4:cc:e3:ad:ec:3a:59:40:04:5d:e6:c4:73:10:72:51:4c:f9:e6:10:90:7e:2d:01:2a:db:af:58

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 cofactor.am

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cofactor.am

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

cofactor.am
www.cofactor.am

Other certificates including the domain name cofactor.am

(limited to 100 certificates)
cofactor.cc
cofactor.ae
cofactor.ac
cofactor.am
cofactor.ae
cofactor.am
cofactor.ac
cofactor.am
maxlouthain.com
cofactor.am
cofactor.ac
cofactor.am
cofactor.ae
cofactor.ac
cofactor.am
cofactor.am
cofactor.ac
cofactor.ac
cofactor.ac
cofactor.cc
cofactor.ac
cofactor.am
cofactor.ae
cofactor.am
cofactor.ae

Certificate

The complete raw certificate details for cofactor.am in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFXzCCBEegAwIBAgISA4u7K0xJC8lGpMonVCYwhZ3gMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMjYxNzMxMzRaFw0y
MDA1MjYxNzMxMzRaMBYxFDASBgNVBAMTC2NvZmFjdG9yLmFtMIIBIjANBgkqhkiG
9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1qB6kdtDc0cQy8vkKRy3bqPmYW3Lwml5HUvY
dTyr5pNa3SjaN6RoHY93Hj9h3mShLjiO2eA1LxoSwzYqC7EklNrubMwM83AVdD57
qdyFRL1LtSJMnHFi6IM8WiPti8RsGNEmir/fQDyRMcDvgw/THsHUz0d6EXMGEnBV
GntVMGZl/oG1IUmIXlS1xX+iyKGbejsTVqvuhrNhILE8yrqlNXiFm/P01KI7BRQ7
Fj91R/Ygj9W+rIxvjAUfewTw42c6oQGorR/hya7APLVcjmshjtnkb54nsQJmfe6F
0B/9bCVKiGGkeCeeBIZ8VXZrS800b6INjrLafgC/ub+AZ1lHsQIDAQABo4ICcTCC
Am0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcD
AjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBStXnFiCCZs9+YujI69XOGvrcpVSDAf
BgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86jsoTBvBggrBgEFBQcBAQRjMGEw
LgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14My5sZXRzZW5jcnlwdC5vcmcw
LwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14My5sZXRzZW5jcnlwdC5vcmcv
MCcGA1UdEQQgMB6CC2NvZmFjdG9yLmFtgg93d3cuY29mYWN0b3IuYW0wTAYDVR0g
BEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0
cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAA
dgDnEvKwN34aYvuOyQxhhPHqezfLVh0RJlvz4PNL8kFUbgAAAXCCxLPqAAAEAwBH
MEUCICFTk+5AEq+VKGuA6fWq7Snz1LsKZd9oTAm7drxBoQvoAiEA7Hfkv31BT1Yy
SDpHyQZhLRHoynUPme89IlITwI8Zn9QAdgAHt1wb5X1o//Gwxh0jFce65ld8V5S3
au68YToaadOiHAAAAXCCxLQRAAAEAwBHMEUCIDetYIQKlyFVHNASV8En+zuQwIbW
ys5SEsRYG9UoB5m5AiEAiOkzYxJoO56SBj05oE8G8IzZr84rsgqjKAcWrZX4uZow
DQYJKoZIhvcNAQELBQADggEBAEZO56RT+Kcd/vQ8bL0z71/+Wo3dOKxIeHzgv6Hg
paBAUBJud52eBgcCZfrmQu2A8Y6qs6xttZGKU8dT8UDvY4SWXPACFRvINgk+JoyU
MyyMf2S6UXz52JwdxBEi4/hK7pRglN/pPi3sfJcXgLB3Pzi5Xe27R2KeoZ8/idkD
beUsOQYRJdNA3Jr8fgV6lYYjTM1yLoxiz68AkJaHkmwUcDJoOmxUuDiGEB3PVQSl
4pwtVlQBJjb+5YUyeKi+Q6qirUTv/WfO55Gc43Iv2u7uwGjmKQKQVw4F/ROTYvkk
f3dbJwigalfQyE+vd1BNlkHBRC7N3NDgOOJ+2JUFM3ToGXc=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1qB6kdtDc0cQy8vkKRy3
bqPmYW3Lwml5HUvYdTyr5pNa3SjaN6RoHY93Hj9h3mShLjiO2eA1LxoSwzYqC7Ek
lNrubMwM83AVdD57qdyFRL1LtSJMnHFi6IM8WiPti8RsGNEmir/fQDyRMcDvgw/T
HsHUz0d6EXMGEnBVGntVMGZl/oG1IUmIXlS1xX+iyKGbejsTVqvuhrNhILE8yrql
NXiFm/P01KI7BRQ7Fj91R/Ygj9W+rIxvjAUfewTw42c6oQGorR/hya7APLVcjmsh
jtnkb54nsQJmfe6F0B/9bCVKiGGkeCeeBIZ8VXZrS800b6INjrLafgC/ub+AZ1lH
sQIDAQAB
-----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 308884897248518316030973320405774527471072
 . . . . . . . . [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 2020-02-26 17:31:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-26 17:31:34 +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 'cofactor.am'
 . . . . . . . . [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 27094132302548792295781615279893854730301454521509512472238477131037108370178283276917117527989491334620981523507897967610666446634576949740281171733187780871104814030138973591544807847761560392012475604357962886618582035568397148352238266985225731799084294032706958773457630325160012308967120096092161847758328672574168468089657749253337539851075729492936013939733364709629929946154041964208904174058325499803375869387584949690535838001301899380330673983663858959918549826090737271037276433425878576240825288132499829233017008444897140240819007887854692912270354535145557831347709318923077165014980800315436197038001
 . . . . . . . . . . . . . . . . . . . . [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)
							ad5e716208266cf7e62e8c8ebd5ce1afadca5548
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cofactor.am'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cofactor.am'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e0000017082c4b3ea00000403004730450220215393ee4012af95286b80e9f5aaed29f3d4bb0a65df684c09bb76bc41a10be8022100ec77e4bf7d414f5632483a47c906612d11e8ca750f99ef3d225213c08f199fd400760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017082c4b4110000040300473045022037ad60840a9721551cd01257c127fb3b90c086d6cace5212c4581bd5280799b902210088e9336312683b9e92063d39a04f06f08cd9afce2bb20aa3280716ad95f8b99a
 . . . . [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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