www.tkdscore.com

Issued by R3

About this certificate

This digital certificate with serial number 03:42:f6:a0:fe:46:d4:98:4a:f0:e3:da:7d:ef:d3:5d:ff:b5 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.tkdscore.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:42:f6:a0:fe:46:d4:98:4a:f0:e3:da:7d:ef:d3:5d:ff:b5
Serial Number (int): 284123320023866939041837578790595008004021
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 16:1e:35:30:52:d4:42:13:ea:ac:8d:50:56:07:90:80:ce:72:7c:7b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f8:cc:89:51:ad:f1:69:4b:cd:50:48:64:dd:2f:52:e3:b4:55:88:e1
Fingerprint (sha256): 20:81:ed:04:c9:ef:8c:cc:bd:bb:1a:eb:43:f6:c6:0a:ae:59:bf:52:1b:88:e1:5b:d6:2b:ce:82:5f:de:f1:e1

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

Revocation information

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

Check the revocation status for certificate www.tkdscore.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.tkdscore.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

www.tkdscore.com

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Certificate

The complete raw certificate details for www.tkdscore.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAojd2fwQemte2EW7Epd3U
1GsiFWNnCfkRmjiPYZbGRhDzWfnCQhVLg1IeH/hHwsVaTnT8XzlFEj0jgEwjaRXD
8KLyF8JCQpRwBp6x/+OFWwZKWvB1fSF6eOMcHAGdrORTfTNKk36ijhQx6KLBQOe5
QUXH4WuzOb8hAmqivc1hb3mM/PKlnT2WEOUK1cC6IYhs/nvZMpczNVZuMtrcB2Zl
uEqKzD+ZhY1/6A8eKi5Dnq/6VAQ6cL/GdksTyoi4zvyePy7OU0mFh/t0J54COhfi
1WvF72esLiOFNV5C5PREOtv+iT/n3BI/yyuRTRqdwxURCxY6Rch4l0YXEEbik2M2
awIDAQAB
-----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 284123320023866939041837578790595008004021
 . . . . . . . . [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 2023-09-11 03:17:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-10 03:17:35 +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 'www.tkdscore.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 20477955167805291089704169811774951509458130407214593608534835616085326533620577218388273797816986296158904187252726374720146181740973424452232978606446548139701889760575181941633873862600123411451530007262366455761575334623330176760029299187698078109676942130081291063103435907086919252588071500738615390519806521287808811615990940188040587523369057392231455335949189180484183612750428264181453143880996827054253366658172072695953122069494457979169096139481182185807033180595607816793195778353409417296922260111778393528489062902266652295698050292785506755257577570051343625561232385827044607746945607227748615665259
 . . . . . . . . . . . . . . . . . . . . [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)
							161e353052d44213eaac8d5056079080ce727c7b
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tkdscore.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a82758d72000004030047304502202e9ce9470c6cade8dd587871b1a809d0bed9aab99010bb5fe57f030e766ab811022100b51fae9e9cd8efc6b8c3aaf7b8838f328d418d59e6dd072f8ecde619f3754f9a007700adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a0000018a82758dce0000040300483046022100dc32e0241268cc0789865b50336fdb9c0d8224de71a3d7071ec69b4925e8959d022100fadd86306cdcc4d5613a74df4cd2d1dd5d97120299ca35fdfe019e5a6111a439
 . . . . [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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