books.genisysgroup.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:c9:1a:3b:00:67:ea:a4:35:2c:99:9d:5b:47:83:16:d2:ff was issued on by Let's Encrypt.

With 7 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=books.genisysgroup.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:c9:1a:3b:00:67:ea:a4:35:2c:99:9d:5b:47:83:16:d2:ff
Serial Number (int): 416880765759787797856369464139324312703743
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 4d:53:4c:e8:a6:bf:29:96:5a:c7:ab:7a:6e:95:75:c6:f9:b8:2d:d2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b4:32:48:b9:5d:4e:2b:48:1a:4c:b1:29:48:93:53:55:2c:ea:21:9e
Fingerprint (sha256): f2:4e:84:02:9b:dc:c8:e1:ef:ee:72:19:23:b7:ba:4f:ee:d8:7f:81:ce:6e:d8:13:8c:50:71:5d:0e:ec:1e:d5

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 books.genisysgroup.com

7

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for books.genisysgroup.com

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

accounts.servantecglobal.com
books.genisysgroup.com
books.idgs.my
clients.simplesolutions.tech
clients.t4i.io
facturacion.buildingforall.com
my.columbiafitness.com

Other certificates including the domain name genisysgroup.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for books.genisysgroup.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAv+nqUuBowRNDbhVMqucN
ppUcdflGnD2RRypnaonMZkfyLJIL7wVV6cDzNxjuFriKFgOY/JTqrMrnJS/dpPDO
k45vasi/DzhVkT3TbTP85PFeiu3uXMt1chiNn1nFgWr93jis7G0YWvmcElSXHgNc
9Q5TZIo3nClgCVB9t8G01eE3S5K9H1ZrWoFK90bxXYdWSWxUFRRER4EBPq7FCNF5
aRyhO5bYp4yHegyj0TDB9/L0JUt6rPqHdCfN/OPiOeynTCPS3NoIVCgPCcqDLazz
sKIq+2pxYeyogUZWVAROpnBddVuhSgiYJc71LvMFpxFNj3kz0svIcRc4ZWDyIudk
+wIDAQAB
-----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 416880765759787797856369464139324312703743
 . . . . . . . . [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 2020-03-25 02:24:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-23 02:24:01 +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 'books.genisysgroup.com'
 . . . . . . . . [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 24226864195385351374017713426367242989793626084146115430922676885105541749380744539628087014646599873559092500797970675110782283068851371464011704461312936511627650688886985421484383081238488096526231626076543562458874549254504917884652275926984962476925877705424638710856963209688772360661312492628298278284208359505646540695082772059985273046066304942333386701825366257048928530774048558128057644642224566766351301314007919447882793496416377169493140873563465230053592013712459312473285473315280413798059532921918498342059453866864495167875569344468493836776594705771528569473492478320071421408690197242439069558011
 . . . . . . . . . . . . . . . . . . . . [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)
							4d534ce8a6bf29965ac7ab7a6e9575c6f9b82dd2
 . . . . . . . . . . . . . . . . [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 (174 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'accounts.servantecglobal.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'books.genisysgroup.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'books.idgs.my'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'clients.simplesolutions.tech'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'clients.t4i.io'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'facturacion.buildingforall.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'my.columbiafitness.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001710fb7e2f3000004030046304402204148ab2c5dc6aaeee4270735704125b7d419b056b961d0fde8e27c1e59cf1816022053615d4db76f11ef56e07820c8f85ed6f8225d5bc3ef2c365aee433536efeebd00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001710fb7e2f90000040300463044022011e48aff8529b026026fb96c37d0f54f1eb93b5828b6c3dee3bcc5da7de9a3e4022015eea4f6370c7646a74b88d9295c52760e90a0371dc1f950d82abddd7eaae840
 . . . . [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)
		006509e4e9e099006c57a4717a952575aa64ce5ee7afd12dc7d30b3d0135b3fa33c15cfafe9c491f4484a3ac36899cdd89e2e6a3fcc0fa8e3eabc786b1bf16da91d99993cc8e9a72dd3481431e7c55bc4ed65e3e403e3d3852d907412eae9912dacff1ed45a5c5b3738e8d228be50b1fc2444f2edf09422399eaa11f3b40f2fee18ec81ff68fac22e5e794e506cc020c404b00897eb8352295967d9a6829ce886b0d7b609cd6cb1e1dc4e55cd81d90b45bfa2122a77e15c27d5dc1463a2befd1ad836e4229c5f82c2d3604a99beb5dbd61489e92686d78628a1d55afde8ca39ce7f5a94a86833bc94b30c3679fda0a26abbba9ca3150e4973ab036df33c0233bea