hightechexchange.com

Issued by R3

About this certificate

This digital certificate with serial number 04:35:ff:35:e7:fc:1d:5c:d3:7b:8d:70:93:a7:39:7e:e4:56 was issued on by Let's Encrypt.

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=hightechexchange.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:35:ff:35:e7:fc:1d:5c:d3:7b:8d:70:93:a7:39:7e:e4:56
Serial Number (int): 366823342209720583725798408893821102253142
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ad:82:5d:84:51:c2:ab:6b:50:af:98:26:a6:1f:93:6d:3a:7d:33:71
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 01:f8:ee:c6:78:64:b2:14:0c:2c:98:f0:73:c1:0b:12:cb:43:ac:25
Fingerprint (sha256): b6:04:60:39:7e:de:b6:f8:81:bf:f9:82:5d:b7:f6:bc:3b:fd:c3:4d:a6:7d:56:99:12:a8:37:ba:eb:d8:e1:8b

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

Revocation information

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

Check the revocation status for certificate hightechexchange.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for hightechexchange.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

hightechexchange.com

Other certificates including the domain name hightechexchange.com

(limited to 100 certificates)
www.hightechexchange.com
www.spinalstemcell.com
hightechexchange.com

Certificate

The complete raw certificate details for hightechexchange.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 366823342209720583725798408893821102253142
 . . . . . . . . [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 2023-12-19 16:02:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-18 16:02:58 +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 'hightechexchange.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 959672103324524390420348227272641140364381277669886897097699072102323631015147350976921458730283836703515895284496858413389461560220965333225132097558270357200912737409999736818731752904003688586740748431855884450107823883924924714662864237808751209753067790084863194788330549449118885209969457701817952841194939427406766692795160286734239661541167036635706974789176308119630212920057096731978548527539629935020412586719425566789584884060331733730854121563289508034799741048093910141566033613247001243063497480530714325854175843659472196001516998374873301610269240146506678881234598995636247386885284107117799484368201477143951855507253502464343664976881496388339047441373994621170904244540389842146576418402120353175094082582741708153271502431666865869996108875117672425672106984492686096848111238372097978531299040386527456227348382761257011425258887805246339928742137864112325893683696217212139499808693218068822282140947501002809563518998870221110941782090581001269277580950133847911190727536661951108715630511262554162762461168454878708262227319757701673970841837496860925718518701737967017775411594676773896107714352145583469047130125704743098869285981968370107906115802158559016432669487370592819499317528927424739104458040683
 . . . . . . . . . . . . . . . . . . . . [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)
							ad825d8451c2ab6b50af9826a61f936d3a7d3371
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hightechexchange.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)
							00f00077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c8307dd9700000403004830460221008c73b970bd7a260d839d42615fc02580b75204542e7748aa0e5f656700c4b4a3022100dc1882e1106c959b8edf9fe6d1aa478d1304b72ac2332b4bc3cc2ec8a01b8e5c00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c8307df8c00000403004630440220531393adf90abd20bc6bb384adf0a8be7c0aa0a2c1528400a18e9ed19f0c78d8022023d4dde825f23723edbe653d05c5fc7eaaee8856e11d1374db635069231f17d3
 . . . . [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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