buygen.com

Issued by R3

About this certificate

This digital certificate with serial number 03:53:09:1c:a2:00:be:e1:64:45:13:ae:d8:e9:89:93:e5:bc 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=buygen.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:53:09:1c:a2:00:be:e1:64:45:13:ae:d8:e9:89:93:e5:bc
Serial Number (int): 289592405971802166050618493513431910704572
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d0:50:3a:66:71:f3:b0:76:52:54:a8:15:48:c9:a9:a6:06:79:89:c8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b1:ec:ba:86:12:bd:5c:01:07:ba:c8:c1:a3:e4:57:c4:52:00:ff:fa
Fingerprint (sha256): b7:6e:d0:d4:e0:8b:8c:ff:d8:ba:79:29:ab:d3:86:8e:27:a7:d7:88:ba:bc:67:3e:2a:ba:87:64:5e:bf:4d:05

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate buygen.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for buygen.com

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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

buygen.com
www.buygen.com

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srindia.com
realtyblog.com
roaring.life
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languageproject.bible
ooolocaladvertising.com
marianna.work
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buygen.com
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www.enerpactoolsgroup.de
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pgilesadventure.com
buyerrebateprogram.com
hawaiispeeddating.com
buygen.com
bespokefinancial.org

Certificate

The complete raw certificate details for buygen.com 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 289592405971802166050618493513431910704572
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-28 03:05:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-26 03:05:29 +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 'buygen.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 919249663919172112430715276666041615849860348406230756300244601837001834946645375675986513570032172259065365134912634730241973428270602871974834289117782480120776166955763150144462402187976818127481433610309265388501784098260753850814031351876030489616437516008407333191000909309332312753731389087412831289483421803881360708870485299691197516564076245455062150697670046566905583863218862155724143149081996765969885952524879290268958027620829407406449911143054922792227700706731958918112469877009356757316831803930199608345232839426557429519253266672654991530148868726213901045947558193198910805807770507046981473852635072279295843314798263400090580444352760439386336934506108481720563949378204539657827893854314624236723697639324890663971039462901515367930073947962168035848740179400855669037708847132624099428289257929384656049781068621093471266454952744296923013110287771419769170018681768770181778485932488034977847975965916024709549509464500984672570391606729567124583245535067292494757286255006953245808994877745576079157054408374815139318256748819696490087105504017297355528119756737772855659253732631423969255154388294859193731192697379829402350451826244861039023048050638181414796558338509154471643869250050088760780351753769
 . . . . . . . . . . . . . . . . . . . . [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)
							d0503a6671f3b0765254a81548c9a9a6067989c8
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'buygen.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.buygen.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c141a81c70000040300483046022100cbef92e972876184adc797f515a4d0bc78ed8771f3f53f4049019461cd105a090221009ed62539838671fcf7fbdadfc9d8e929cb7a4ed2a5caccb1e4c1b55189aa17b600750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c141a8208000004030046304402206520da9784837649d52a21752932fb04644d31abc31fe42ff6d7720e08b01b5b02206d08c21192268bb21a5fcb93335e4653dad891929dc398c470ad71f6c4ca4f48
 . . . . [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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