1011.co.kr

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:8d:1d:4a:88:d9:ee:47:f8:87:1b:43:e1:d9:37:54:fc:d8 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=1011.co.kr

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8d:1d:4a:88:d9:ee:47:f8:87:1b:43:e1:d9:37:54:fc:d8
Serial Number (int): 396467892080412565874322513862947891379416
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 55:03:07:84:2a:60:43:10:97:5d:c6:95:d6:5f:c0:25:8a:b0:db:84
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 69:1a:ad:ca:77:e6:da:6c:65:32:c0:2c:bb:41:23:03:4a:e5:3d:c6
Fingerprint (sha256): ae:99:8b:a1:ee:c8:0b:9c:c4:f0:db:42:c2:9a:79:e1:40:a3:ac:fb:12:f7:9c:74:25:ad:41:7f:47:35:f2:34

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.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
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erp.test.1011.co.kr
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sk-fa.1011.co.kr
www.1011.co.kr
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www.1011.co.kr
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erp.1011.co.kr
jira.1011.co.kr
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1011.co.kr
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www.sociedadedourso.com.br
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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-----
MIIFTTCCBDWgAwIBAgISBI0dSojZ7kf4hxtD4dk3VPzYMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODExMTUxMjU2MTlaFw0x
OTAyMTMxMjU2MTlaMBUxEzARBgNVBAMTCjEwMTEuY28ua3IwggEiMA0GCSqGSIb3
DQEBAQUAA4IBDwAwggEKAoIBAQDH+VQHeaXAPcNksweDGaUvqc0fCee84zAkxyLG
HPh7PUWfBoWUJJ8eT9VRmFSQWZqzxG0Wxhk1bZCdltO+M0Y1HFCXnW4eSR4g2s3D
pUZ4Xg5SpFJBNTlzt37gFvCoeTriJn4kxcpr8hEBrhTzMbfGL+tf29GBQMNMxZxM
HFceBDnVVFg+rtaHIF4acqw7p3HAVVaOZ9Q0MUtDxIVWXhmaaBMEyHp1VBDmOaIX
6h8AhpUDFDBYC0NAjwp/fVaGW4qjA65+YDl76Kt4gi3992O2uKkLb6NFwVHyyUFE
DtDlAg6nCQKfG/OYjYPgO6BaET92FNeip09q8VogyNYvKTnrAgMBAAGjggJgMIIC
XDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC
MAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFFUDB4QqYEMQl13GldZfwCWKsNuEMB8G
A1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEBBGMwYTAu
BggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0Lm9yZzAv
BggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0Lm9yZy8w
FQYDVR0RBA4wDIIKMTAxMS5jby5rcjBMBgNVHSAERTBDMAgGBmeBDAECATA3Bgsr
BgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0
Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYEgfMA8QB2AGPy283oO8wszwtyhCdXazOk
jWF3j711pjixx2hUS9iNAAABZxeohhkAAAQDAEcwRQIhALPiR0+v3mk7z9F533lJ
0uqIsFAUEdqzxg5MEqiZklAcAiAqpj79zAj6hSKM4SwybhLkHWyEdKVmvNVtDE5I
cRhjVwB3AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAABZxeoiAsA
AAQDAEgwRgIhAMSkzyPvAKlSFG93I1afqyaRES+wDq5b6t3x/kxndvcMAiEA5b+n
lwDAA9pk8sFUbeWpwL1imSYPPxUSbStSE7K9dKMwDQYJKoZIhvcNAQELBQADggEB
AEa2KVPU3PYW8aZSk1TQMwYTabmirGRfsjWIz2B4CiZWOYOgA+93T2qovvfVZZ1b
dtHs0hepi7gsnBj9cqCNgu4O4xi3GXSPjpL9Dv+ASOgqMtBxiS5yb6iRR4eOX8c/
1I/6l55SVcH4VuBYLicY+WBUbztjDVexq4cLrsfpmNtZ8aQk2mITCMi8klbo9skO
1WUI6Q2GqeQA3cMBPOtKVRGJAnMaeKdDk5+3cTOUI/KU8qo0S3cX1JY811n/NY/u
/eNVNzOLrKK1hyB7Burc88aQdzYYjvg2rHoG0qODYwTf+TtINGGWOOkKBSUjlWXK
W6rgk8Bm76OsyVD/Bp8RYwE=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx/lUB3mlwD3DZLMHgxml
L6nNHwnnvOMwJMcixhz4ez1FnwaFlCSfHk/VUZhUkFmas8RtFsYZNW2QnZbTvjNG
NRxQl51uHkkeINrNw6VGeF4OUqRSQTU5c7d+4BbwqHk64iZ+JMXKa/IRAa4U8zG3
xi/rX9vRgUDDTMWcTBxXHgQ51VRYPq7WhyBeGnKsO6dxwFVWjmfUNDFLQ8SFVl4Z
mmgTBMh6dVQQ5jmiF+ofAIaVAxQwWAtDQI8Kf31WhluKowOufmA5e+ireIIt/fdj
tripC2+jRcFR8slBRA7Q5QIOpwkCnxvzmI2D4DugWhE/dhTXoqdPavFaIMjWLyk5
6wIDAQAB
-----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 396467892080412565874322513862947891379416
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-15 12:56:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-13 12:56:19 +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 25244371025274549185553687530116688114820060810917903273468715042566975836733597595644479440027210881545493066331203071767003708512842680898356441018837715689647398706997420477699780534047959142284784742011654841446646893101288296335405016168518525297401129880832114561222469829705627477347091435646610776390649768563234941348572609520062220948171224961510886776628694581716787696345856638375369439859872242612795592769297916681626426566182243302796436357331251863153271574010074958796716211399119206808596972605613520292017287740008237770877144365252851829202532238193078932870269345264015928371878920424373151676907
 . . . . . . . . . . . . . . . . . . . . [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)
							550307842a604310975dc695d65fc0258ab0db84
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f100760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016717a886190000040300473045022100b3e2474fafde693bcfd179df7949d2ea88b0501411dab3c60e4c12a89992501c02202aa63efdcc08fa85228ce12c326e12e41d6c8474a566bcd56d0c4e4871186357007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016717a8880b0000040300483046022100c4a4cf23ef00a952146f7723569fab2691112fb00eae5beaddf1fe4c6776f70c022100e5bfa79700c003da64f2c1546de5a9c0bd6299260f3f15126d2b5213b2bd74a3
 . . . . [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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