1011.co.kr

Issued by R3

About this certificate

This digital certificate with serial number 04:ab:6d:4d:d3:6c:3c:ac:f6:1d:d4:c4:ac:79:0a:e8:78:30 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=1011.co.kr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:ab:6d:4d:d3:6c:3c:ac:f6:1d:d4:c4:ac:79:0a:e8:78:30
Serial Number (int): 406782718417083972970732271964802874112048
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b5:3b:e4:01:ac:6c:f8:9d:99:e4:6b:cb:0f:72:a2:ec:46:2d:9f:86
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f1:16:76:0c:fb:78:99:26:56:25:a2:b1:fa:0a:46:1a:28:20:49:15
Fingerprint (sha256): 0b:26:1c:4e:08:7f:33:67:32:4d:d7:56:59:10:a0:f3:b5:89:89:a6:97:3c:28:fe:d2:13:f7:2d:30:12:1f:c1

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

Revocation information

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

Check the revocation status for certificate 1011.co.kr

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 1011.co.kr

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

1011.co.kr

Other certificates including the domain name 1011.co.kr

(limited to 100 certificates)
1011.co.kr
www.1011.co.kr
erp.dev.1011.co.kr
erp.1011.co.kr
erp.1011.co.kr
1011.co.kr
erp.1011.co.kr
1011.co.kr
ajaytech.co
www.optionparent.com
sabayadmin.tk
1011.co.kr
erp.test.1011.co.kr
erp.1011.co.kr
www.1011.co.kr
itsolver.net.au
erp.1011.co.kr
sk-fa.1011.co.kr
www.1011.co.kr
erp.1011.co.kr
www.1011.co.kr
erp.1011.co.kr
erp.1011.co.kr
jira.1011.co.kr
erp.1011.co.kr
1011.co.kr
1011.co.kr
erp.1011.co.kr
www.sociedadedourso.com.br
platform-tools.1011.co.kr
erp.1011.co.kr
1011.co.kr
1011.co.kr
erp.dev.1011.co.kr
bug.1011.co.kr
www.1011.co.kr

Certificate

The complete raw certificate details for 1011.co.kr in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnNYadYcGNI2ZNyGHcdMG
FQ/+wmvOVOrhsXMCSJpOLKoLtJKreT3QaFhTuH1nS8X4JpidI5iqeSWz3p0Hi9wi
TYK0xA2mY/VWBM+RdtnH77WnVyakQ8oUUSuu+Fl3hHbgixHlWEdd4nVAY7WAXbtV
URZBB4FgutnXJnHI5tygxR1OS0QZccr+CaNEjd/8rBbD7ePAuNcBof5xoxrBamsP
xUhjutPVzinT1kLRCyEb3BjgHEXes9aS4zEcFubYYXG27OkEgBemiMTnKCbmPsEg
c7A7E3ODuMnO8nBZlkAmelmTa5UHcKHGYaE7edoUV9SExHTBwpB591Dl6JUsKF9/
9QIDAQAB
-----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 406782718417083972970732271964802874112048
 . . . . . . . . [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 2024-03-25 02:10:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-23 02:10:05 +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 '1011.co.kr'
 . . . . . . . . [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 19798753874420257006960657621629372498692059169141963061284299013756932028034915416191352167741512569521829321251581271805411391172380769593284084311227658059738226582615318720081127458956390768754613542525666548322913432118049925311702216274373553019007828283743409063724060493602061210346339987568188365516664779644075043345236801344948574525628024396094404938054955862735255112987379100279927262617967849091504644939282910237921146045236116895861779532458375244022452519481494711029653409352600559902962283548386858651813036312468651865888063048425780523420299346925149271528743396268558910568469013763057564745717
 . . . . . . . . . . . . . . . . . . . . [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)
							b53be401ac6cf89d99e46bcb0f72a2ec462d9f86
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1011.co.kr'
 . . . . . . . . . . . . . . . . [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)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e739631750000040300483046022100b434a438d991e9de3713426d82ecc45da498cfd1606460e46a826eac5d91beee022100af7b329a3ba487c53475a2d0e20379cec1704a88609527469efd0690b3ff2bcf007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e739631850000040300473045022100c4a242e99090c52d469f958d8b156065e5bd681c57a5c686c6125c6e9e39977f0220057f90892b3f99f9bf5073e67bb3bbe8f798f6d74eb3ce1ad31c5c0f8659bbae
 . . . . [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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