www.m-teacher.co.kr

Issued by Symantec Class 3 Secure Server CA - G4

About this certificate


This digital certificate with serial number 58:ec:b4:f4:1a:ef:a0:79:b3:3f:f4:d0:2f:45:3c:f0 was issued on by Symantec Corporation .

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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.

Cerificate errors/warnings *beta

  • WARNING: Using depricated TeletexString for '[Seocho-gu]'
  • WARNING: Using depricated TeletexString for '[Miraen Co., Ltd]'
  • WARNING: Using depricated TeletexString for '[IT Team]'
  • WARNING: Using depricated TeletexString for '[www.m-teacher.co.kr]'

Miraen Co., Ltd

Organization: Miraen Co., Ltd
Organization unit: IT Team
State / Province: SEOUL
Locality: Seocho-gu
Country: KR

Symantec Corporation

Organization: Symantec Corporation
Organization unit: Symantec Trust Network
State / Province: SEOUL
Locality: Seocho-gu
Country: KR

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 58:ec:b4:f4:1a:ef:a0:79:b3:3f:f4:d0:2f:45:3c:f0
Serial Number (int): 118201115861423428266895373421315964144
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: 5f:60:cf:61:90:55:df:84:43:14:8a:60:2a:b2:f5:7a:f4:43:18:ef

Fingerprint (sha1): e8:76:62:9b:70:0a:61:92:94:94:49:ec:98:86:17:75:a8:0c:09:34
Fingerprint (sha256): f5:35:fc:48:c4:a2:46:04:65:89:13:d3:fb:73:c5:52:6f:26:1c:ca:db:17:16:5d:65:bd:ab:4e:4c:77:65:93

Issuing Certificate URL: http://ss.symcb.com/ss.crt

Revocation information

OCSP Server: http://ss.symcd.com
CRL Distribution Point: http://ss.symcb.com/ss.crl

Check the revocation status for the current certificate on www.m-teacher.co.kr
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


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

8 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

www.m-teacher.co.kr
m-teacher.co.kr

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE/jCCA+agAwIBAgIQWOy09BrvoHmzP/TQL0U88DANBgkqhkiG9w0BAQsFADB+ MQswCQYDVQQGEwJVUzEdMBsGA1UEChMUU3ltYW50ZWMgQ29ycG9yYXRpb24xHzAd BgNVBAsTFlN5bWFudGVjIFRydXN0IE5ldHdvcmsxLzAtBgNVBAMTJlN5bWFudGVj IENsYXNzIDMgU2VjdXJlIFNlcnZlciBDQSAtIEc0MB4XDTE1MTExNjAwMDAwMFoX DTE3MDMxOTIzNTk1OVowezELMAkGA1UEBhMCS1IxDjAMBgNVBAgTBVNFT1VMMRIw EAYDVQQHFAlTZW9jaG8tZ3UxGDAWBgNVBAoUD01pcmFlbiBDby4sIEx0ZDEQMA4G A1UECxQHSVQgVGVhbTEcMBoGA1UEAxQTd3d3Lm0tdGVhY2hlci5jby5rcjCCASIw DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAJpMjIuiJJzpwvI+DAYRbLJ40VoO ijMJBo2LihnXJqQuu/F6UePxIoBa4wOzmPV8uOSPXHcmYlch7voPkPYK1L0oxQF9 qhHKfJCkBWGbZR1UljfvG9W1b8d62gSxNv0dJ8dQGLKgXUXNT7wDrNncSQBu3Q1t CpbUxesArAmxbCDy2v9uftkIV/wWRxMOk80C+RdZ8S4XTMi3F1p2GFyJMNlckTcn UmNibW1WOoacaaEu0SzYzAPgesr/KsBKJW6HJOMSYi+INt+f5GfgH6TNkqwG4Ed9 scBArNQVx0alGtHdwlcbvq3hwPkTlPNUeXtbvOBUr4OyeT6MwgWM/5HupMECAwEA AaOCAXkwggF1MC8GA1UdEQQoMCaCE3d3dy5tLXRlYWNoZXIuY28ua3KCD20tdGVh Y2hlci5jby5rcjAJBgNVHRMEAjAAMA4GA1UdDwEB/wQEAwIFoDArBgNVHR8EJDAi MCCgHqAchhpodHRwOi8vc3Muc3ltY2IuY29tL3NzLmNybDBhBgNVHSAEWjBYMFYG BmeBDAECAjBMMCMGCCsGAQUFBwIBFhdodHRwczovL2Quc3ltY2IuY29tL2NwczAl BggrBgEFBQcCAjAZDBdodHRwczovL2Quc3ltY2IuY29tL3JwYTAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwHwYDVR0jBBgwFoAUX2DPYZBV34RDFIpgKrL1 evRDGO8wVwYIKwYBBQUHAQEESzBJMB8GCCsGAQUFBzABhhNodHRwOi8vc3Muc3lt Y2QuY29tMCYGCCsGAQUFBzAChhpodHRwOi8vc3Muc3ltY2IuY29tL3NzLmNydDAN BgkqhkiG9w0BAQsFAAOCAQEAeamXsU17ksr9eSxFEMzIWUZeVK1fOWtY0iVdjxLv oa5RkjA32L1qi27xtFyEJI9E7lDd6Jvu7IfzX56c3fGOzXg+2CgKxK+f9WXm2Qif mZvrNxYAmEQztydRXduoe0VF5PVNTd9LVhamfZL5i99EdnldxOO5J2b2KG+WBXH5 G3Jn9fVTwUCfObUCZabVYksCKcrTtj3gNvY3Kqbxidua2NJQoce5ieFErbrH8zKP AH4O9msn+ao1O0TsmFBRbm6W4foyQEwffRewlzLGGANt+bmJoK/oh55JpJanCyXk qp2o8p/8yZIO3EIQZ97A2lBNRblxGcYPiQwG+MV6gGU5FQ== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAmkyMi6IknOnC8j4MBhFs snjRWg6KMwkGjYuKGdcmpC678XpR4/EigFrjA7OY9Xy45I9cdyZiVyHu+g+Q9grU vSjFAX2qEcp8kKQFYZtlHVSWN+8b1bVvx3raBLE2/R0nx1AYsqBdRc1PvAOs2dxJ AG7dDW0KltTF6wCsCbFsIPLa/25+2QhX/BZHEw6TzQL5F1nxLhdMyLcXWnYYXIkw 2VyRNydSY2JtbVY6hpxpoS7RLNjMA+B6yv8qwEolbock4xJiL4g235/kZ+AfpM2S rAbgR32xwECs1BXHRqUa0d3CVxu+reHA+ROU81R5e1u84FSvg7J5PozCBYz/ke6k wQIDAQAB -----END PUBLIC KEY-----

ASN1 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 118201115861423428266895373421315964144 . . . . . . . . [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 'Symantec Corporation' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Symantec Trust Network' . . . . . . . . . . . . [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 'Symantec Class 3 Secure Server CA - G4' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-11-16 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-19 23:59:59 +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 2.5.4.6 (countryName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'KR' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'SEOUL' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:20|false] TeletexString, T61String 'Seocho-gu' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Miraen Co., Ltd' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:20|false] TeletexString, T61String 'IT Team' . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'www.m-teacher.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 19478446686329065707733358532984376200306895984582729690775258362390040886171630119117633586338535089219518737907816088549303289900680312638747407913808437177699493008843110401459017046291707033343027423759318656364994543287872116491518460074640575272417861213447255651814059351912703718192466725476430491016117251412812587938181042349907924507573335348903554928053376211969187387504094701402883457563851882886371621428139903736796658490375073427998214565329967685198522354254525150623234887799278088201188971266429569259838930539505606849729538604306487991075067506764185405897407569996270553492266596593855219279041 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.m-teacher.co.kr' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm-teacher.co.kr' . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints) . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ss.symcb.com/ss.crl' . . . . . . . . . . . . . . . . [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 (90 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.2 (Organization Validation Certificates Policy) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://d.symcb.com/cps' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'https://d.symcb.com/rpa' . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 5f60cf619055df8443148a602ab2f57af44318ef . . . . . . . . . . . . . . . . [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 (75 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://ss.symcd.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://ss.symcb.com/ss.crt' . . . . [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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