highscale.org

Issued by R3

About this certificate

This digital certificate with serial number 04:ba:b8:1b:a8:ae:4a:6f:f0:46:ad:b8:5a:b8:17:ac:28:fb was issued on by Let's Encrypt.

With 10 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=highscale.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ba:b8:1b:a8:ae:4a:6f:f0:46:ad:b8:5a:b8:17:ac:28:fb
Serial Number (int): 411986385538828696658770674367056411633915
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 92:c5:19:33:40:3f:b7:36:c1:8f:85:54:92:98:9f:14:9b:71:e9:93
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 80:52:7b:18:5c:27:e8:38:e5:c9:81:5c:52:bc:a2:79:43:fb:2d:a0
Fingerprint (sha256): 18:02:99:7d:68:55:05:4c:08:f4:7a:e7:81:9d:f1:d3:8f:42:73:30:b9:2d:71:ad:73:0e:80:10:f5:50:0f:48

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

Revocation information

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

Check the revocation status for certificate highscale.org

10

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for highscale.org

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

africaforvip.com
ammosquared.org.800voicemail.com
avenuedesign.biz
brazilwaxorlando.com.commandpew.net
dartmouthcasual.com
expressiveartssociety.org.voltairsolar.com
highscale.org
ldk.co.in
michigancitywaste.com
worcestertowing.com

Other certificates including the domain name highscale.org

(limited to 100 certificates)
highscale.org
www.highscale.org
highscale.org
bud.world
marsexpress.ca
allanblock.ca
playgolf.club
yedi.vc
bambooremovallongisland.org
domain.limited
arbitrage.ag
highscale.org
www.highscale.org
healthmanagement.ae
marsexpress.ca
fuck.vc
impossible.ca
annoncesrencontre.be
playgolf.club
canwebuild.org
protec-security.asia
theelms.me
highscale.org
marsexpress.ca
highscale.org
overcomersprogram.ca
webchannel.cc
xb1.co.za
bud.world
impossible.ca
highscale.org
playgolf.club
impossible.ca
marsexpress.ca
highscale.org
hydratight.ca
trojans.college
deterrencedispensed.org
estate.limited
metaxianity.bible
mannys.pizza
shepper.ae
impossible.ca
ipv4.exchange
marsexpress.ca
marsexpress.ca
astonishing.world
mannys.pizza
bud.world
highscale.org
www.highscale.org
marsexpress.ca
bud.world
impossible.ca
marsexpress.ca
www.highscale.org
impossible.ca
marsexpress.ca
stark.red
highscale.org

Certificate

The complete raw certificate details for highscale.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0MXetRyFd3yOPxnky74m
39dvpMG9OTG9+sEtDupB7zcxSl3GQdyVIAN0SC/b4jsKEczgzBrTBOpVphYhnH54
kEG09mASIgdVNLF8Y45Qfu8vIuvvx6z55zSTGOlrCC+SvuF4f+8t6HQo9oyzr1+d
+1X9D4KaosrQIyTh9bwYvxOQKgq20Zn1gViJF/uPPnkP5e0LEM6OboGtGE1UxUbD
4G7OQi/vIq1AxSTg6rzd1n7jp6zmssX1NOnrB7/hRttIyhPOjZxMwJmWL/HTSHEv
3E0ZlyvoVaBywc1QQSeyRAiTx+INlEBFXos8SsoDkjk794HJRGxTDBSbaoVe/d2W
zwIDAQAB
-----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 411986385538828696658770674367056411633915
 . . . . . . . . [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 2023-12-15 15:05:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-14 15:04:59 +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 'highscale.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26355140742405470072311201670664910917664013176104925683178725015682661854313528609442314818789956182645077798741046379038522831213322316033490019739311834768906783949693400396441001284515020615222842273483879993671052962154186487962465993398122513322855150487835226980541406278110489188599901297039757207504243997880865082688927187895421169452451714099806404079039702330338294614672561931770275625393437375581669948574169029683811812743232635113317683167403115925733205869774221994989057552748298182489480177545382487046252309084429468145665313985705818156584087945031957827790859113272263872599266504683234820724431
 . . . . . . . . . . . . . . . . . . . . [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)
							92c51933403fb736c18f855492989f149b71e993
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'africaforvip.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ammosquared.org.800voicemail.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'avenuedesign.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'brazilwaxorlando.com.commandpew.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dartmouthcasual.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'expressiveartssociety.org.voltairsolar.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'highscale.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ldk.co.in'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'michigancitywaste.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'worcestertowing.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c6e3958c00000040300483046022100d1857d5492b3f89e030e348b08427b7de29851010d9588d38112177a656b229d0221008b0dac6f397f6467da9f84df627bb00bc9c9e75f5d69080ca99da76716c5182500770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c6e3958bf000004030048304602210085300437bfc18d1a94a4cddfe3837c67cf1894c5076b57c16d5b68d231c66d0402210086be8dae3a616ba017f1ac37993994b9f724653c78130713acc09bfa32b3ed63
 . . . . [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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