www.tschool.net

Issued by AlphaSSL CA - SHA256 - G2

About this certificate


This digital certificate with serial number 11:21:f9:55:3e:68:26:39:45:97:d8:df:f4:83:89:c4:f1:91 was issued on by GlobalSign nv-sa .

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.

www.tschool.net

Organization unit: Domain Control Validated
Country: KR

GlobalSign nv-sa

Organization: GlobalSign nv-sa
Country: KR

Time untill certificate expires

This certificate will expire on

Certificate Details

Serial Number (hex): 11:21:f9:55:3e:68:26:39:45:97:d8:df:f4:83:89:c4:f1:91
Serial Number (int): 1492469599330259535795275486330647497470353
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: 49:34:80:22:b7:cb:c0:19:6a:76:c7:11:5b:b2:d4:8b:cd:29:ac:4a
AuthorityKeyId: f5:cd:d5:3c:08:50:f9:6a:4f:3a:b7:97:da:56:83:e6:69:d2:68:f7

Fingerprint (sha1): 6c:15:4f:f2:c9:5e:e7:1a:ae:f4:24:73:54:84:41:7c:c0:42:66:f5
Fingerprint (sha256): 98:1d:94:42:a1:74:58:61:51:93:d7:e3:c0:c1:cb:73:ba:7e:b9:e8:cc:40:9c:4d:66:d3:d0:32:ab:d6:76:8e

Issuing Certificate URL: http://secure2.alphassl.com/cacert/gsalphasha2g2r1.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsalphasha2g2
CRL Distribution Point: http://crl2.alphassl.com/gs/gsalphasha2g2.crl

Check the revocation status for the current certificate on www.tschool.net
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

9 extensions
No unhandled critical extensions



CA Certificate

This is not a CA certificate

Subject Alternative Names

www.tschool.net
tschool.net

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIE4jCCA8qgAwIBAgISESH5VT5oJjlFl9jf9IOJxPGRMA0GCSqGSIb3DQEBCwUA MEwxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMSIwIAYD VQQDExlBbHBoYVNTTCBDQSAtIFNIQTI1NiAtIEcyMB4XDTE1MDgyODA1MTQ1M1oX DTE3MDgyODA1MTQ1M1owSjELMAkGA1UEBhMCS1IxITAfBgNVBAsTGERvbWFpbiBD b250cm9sIFZhbGlkYXRlZDEYMBYGA1UEAxMPd3d3LnRzY2hvb2wubmV0MIIBIjAN BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAskGjzdMP2Kg5Gw0oNfmtyguBQtb6 GHwTs2BsgiftCf9X/lFEIxfRAhgX+4H4WU6SpsldXQwalDgx3CGQiPeK8025PZaj UFtEPmrJ3rF9oO6MvBxOP4InzPHJoi4c8mmakVsrxAFQell4HtFWgoTaghIqm0B3 xnvsjR/mQgyCUe9VXHZc9r+nshMMFsJIqPfzjCQTekS5amek+vYc2OZyDo8ihzE3 zDbWYqr8tlz0h/aos6AgkD/ru5H17tifCsLx/k0v8F1icKLaLHBxGCvky/2DLYXK m4tuaaHbAbVFWwroVV4Kxv9r0DT8RjyxDx9mlO8DDMM/uBdSb7YMsdhUtwIDAQAB o4IBvjCCAbowDgYDVR0PAQH/BAQDAgWgMEkGA1UdIARCMEAwPgYGZ4EMAQIBMDQw MgYIKwYBBQUHAgEWJmh0dHBzOi8vd3d3Lmdsb2JhbHNpZ24uY29tL3JlcG9zaXRv cnkvMCcGA1UdEQQgMB6CD3d3dy50c2Nob29sLm5ldIILdHNjaG9vbC5uZXQwCQYD VR0TBAIwADAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwPgYDVR0fBDcw NTAzoDGgL4YtaHR0cDovL2NybDIuYWxwaGFzc2wuY29tL2dzL2dzYWxwaGFzaGEy ZzIuY3JsMIGJBggrBgEFBQcBAQR9MHswQgYIKwYBBQUHMAKGNmh0dHA6Ly9zZWN1 cmUyLmFscGhhc3NsLmNvbS9jYWNlcnQvZ3NhbHBoYXNoYTJnMnIxLmNydDA1Bggr BgEFBQcwAYYpaHR0cDovL29jc3AyLmdsb2JhbHNpZ24uY29tL2dzYWxwaGFzaGEy ZzIwHQYDVR0OBBYEFEk0gCK3y8AZanbHEVuy1IvNKaxKMB8GA1UdIwQYMBaAFPXN 1TwIUPlqTzq3l9pWg+Zp0mj3MA0GCSqGSIb3DQEBCwUAA4IBAQAM3tk+sTmaeIxh 5Zk+sOMFET2mt7MgpgGr0pd8gIDx2QlHKSur5bz6eP4pMxvmlMuzuPyUs3jW/gbb e9k+fZGVB/KdQNLyezpAIfjCmEgXWC2sakrcL9PZRw1a0stgFU0y0CzEyQyLKEw6 zIxbrxT73cU3EzrZJVx7HZyEjZghtB0u/nYFMSgzFRtfulqA/bgpX8IR6+AqlOB3 nPGoAo5opFbtDxNSy6luptuY2gLHS5tV44gzE02gzVeLkwTyp/dNdxrpNGYVRIn4 qienGZggqYsDoxzbTM0+ZaFkSashLQ2SrqdxGlC9fABIyvsFSdtNYnsPKPBWCSCA 4jUJ6Eto -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAskGjzdMP2Kg5Gw0oNfmt yguBQtb6GHwTs2BsgiftCf9X/lFEIxfRAhgX+4H4WU6SpsldXQwalDgx3CGQiPeK 8025PZajUFtEPmrJ3rF9oO6MvBxOP4InzPHJoi4c8mmakVsrxAFQell4HtFWgoTa ghIqm0B3xnvsjR/mQgyCUe9VXHZc9r+nshMMFsJIqPfzjCQTekS5amek+vYc2OZy Do8ihzE3zDbWYqr8tlz0h/aos6AgkD/ru5H17tifCsLx/k0v8F1icKLaLHBxGCvk y/2DLYXKm4tuaaHbAbVFWwroVV4Kxv9r0DT8RjyxDx9mlO8DDMM/uBdSb7YMsdhU twIDAQAB -----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 1492469599330259535795275486330647497470353 . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'AlphaSSL CA - SHA256 - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-08-28 05:14:53 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-28 05:14:53 +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 2.5.4.11 (organizationalUnitName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Control Validated' . . . . . . . . . . . . [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.tschool.net' . . . . . . . . [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 22502786504999831541793953122827215329780539241213660438616904617986841096613052459239338556491815146045424380219736149383221401418607656982869644770803698798751115530728829859447028128702684174465514976897719373261502561163701549022772362638881775687580231412263665531711747365765764369654686301302570864297998317350548164235142088081641586951027933010563097541347672456372725160304197029905611960246164032241297029022661724416974337788033406546203915684991884151379220068786836087506562997394815863318554323657585224782252096506276554088722984562659124528006756699572599367409539732974329872253038175125928997835959 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 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: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://www.globalsign.com/repository/' . . . . . . . . . . . . . . . . [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 (32 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tschool.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tschool.net' . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 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://crl2.alphassl.com/gs/gsalphasha2g2.crl' . . . . . . . . . . . . . . . . [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 (125 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://secure2.alphassl.com/cacert/gsalphasha2g2r1.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://ocsp2.globalsign.com/gsalphasha2g2' . . . . . . . . . . . . . . . . [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) 49348022b7cbc0196a76c7115bb2d48bcd29ac4a . . . . . . . . . . . . . . . . [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 f5cdd53c0850f96a4f3ab797da5683e669d268f7 . . . . [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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