zh-cn.eduhup.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:17:e7:92:53:0b:dc:01:18:70:58:d1:48:95:8d:0a:fa:19 was issued on by Let's Encrypt.
With 5 subject alternative names this certificate can be used to secure multiple fqdn's. 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=zh-cn.eduhup.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:17:e7:92:53:0b:dc:01:18:70:58:d1:48:95:8d:0a:fa:19Serial Number (int): 269471163661209581168245158694296526453273
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 7a:d1:b9:39:69:59:8d:42:ed:8f:0d:77:1f:a7:6f:e0:1f:a6:75:9c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 00:b1:fa:f2:d0:d9:00:93:16:62:2f:9b:d7:37:22:15:93:9d:9d:d3
Fingerprint (sha256): 06:8e:8c:52:32:d0:e7:6f:86:e9:85:ef:12:e3:7e:4c:de:cb:fd:7c:f9:b7:b4:2d:24:28:cd:c5:c2:bf:64:4f
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate zh-cn.eduhup.com
5
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for zh-cn.eduhup.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
es.eduhup.com
ko.eduhup.com
vi.eduhup.com
zh-cn.eduhup.com
zh-tw.eduhup.com
ko.eduhup.com
vi.eduhup.com
zh-cn.eduhup.com
zh-tw.eduhup.com
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Certificate
The complete raw certificate details for zh-cn.eduhup.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGSzCCBTOgAwIBAgISAxfnklML3AEYcFjRSJWNCvoZMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xODEwMTkwODI0NTdaFw0x OTAxMTcwODI0NTdaMBsxGTAXBgNVBAMTEHpoLWNuLmVkdWh1cC5jb20wggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC3wpgXZhqsI9o8tBOavU2hSwnr7Bhh 7tBJDMRo52NN47AdL9wX/FDtz0RZNXmUdclSxkzDa0qfSTPSzWknWlx5RU+LcIcr LNFEI4rABPt6Jz5omgaIxRB3i4tsldrrqAw82SP1G1h1sJtW0nSkBeJaREZfkmE8 PcsNwe4VMNM7R8I4LEQtkPcin4gY+QcBz8C2gHiWIVCQGijjIN/e4Enz5wNNGCw+ 7Wmj68oiI7K+HqCbRHBvq1Poy+bZM/OTAaV3/aiD9BduxyIwJtaRRx0irbrfbEls CXZn61nbMmayrsB8IT53CXT+EswEn0rUIBfdSDJGqSPueIBRxVkVgkLhAgMBAAGj ggNYMIIDVDAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFHrRuTlpWY1C7Y8Ndx+nb+Af pnWcMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZy8wWgYDVR0RBFMwUYINZXMuZWR1aHVwLmNvbYINa28uZWR1aHVwLmNvbYIN dmkuZWR1aHVwLmNvbYIQemgtY24uZWR1aHVwLmNvbYIQemgtdHcuZWR1aHVwLmNv bTCB/gYDVR0gBIH2MIHzMAgGBmeBDAECATCB5gYLKwYBBAGC3xMBAQEwgdYwJgYI KwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIGrBggrBgEFBQcC AjCBngyBm1RoaXMgQ2VydGlmaWNhdGUgbWF5IG9ubHkgYmUgcmVsaWVkIHVwb24g YnkgUmVseWluZyBQYXJ0aWVzIGFuZCBvbmx5IGluIGFjY29yZGFuY2Ugd2l0aCB0 aGUgQ2VydGlmaWNhdGUgUG9saWN5IGZvdW5kIGF0IGh0dHBzOi8vbGV0c2VuY3J5 cHQub3JnL3JlcG9zaXRvcnkvMIIBBQYKKwYBBAHWeQIEAgSB9gSB8wDxAHcA4mlL ribo6UAJ6IYbtjuD1D7n/nSI+6SPKJMBnd3x2/4AAAFmi6RhsAAABAMASDBGAiEA 92w+AebZPxqj5B7D0BImi8T9g92mfbD3WMpgEFZpClACIQCVZ6ARuQNmkRVG8JC4 cuJK53HBSJimPo5ZCazMMSQX2wB2ACk8UZZUyDlluqpQ/FgH1Ldvv1h6KXLcpMMM 9OVFR/R4AAABZoukYcgAAAQDAEcwRQIgZsWhVBgSUNrbkNEDJGuZG/ObMTzRFTlX vLf/tac+2zYCIQCDdJgOUJzLMqdbvVobpuxCkxzIvESmP+DNGkAh3YQyzDANBgkq hkiG9w0BAQsFAAOCAQEAUVeHRwbg8227AJcJBYwkOJhVPmGo2aWybZ83drYGY9Ji yYKAZRZsw7HlEH8BguxMknNJpdLHXNQzcWl8GMw0gI2zaSfw1XQTotpWMuqwdQ9H HwYchNXhTntjYL4J28+4O4qwQyVrlXxn5Uu7RpCR50dR3/KSmSyzSyzJCAGaRC1n O0fSW4jn9YhJwraceR3AV7zFhZqW6SFyUSWwuRx25B58DUx9ZUDDnatRX/PLAd7o 6CpumZWk2FxCC+1fx/LXHMnsl6UPoa7k9OBJo6X+hFs9tXanwjeJ3WwB1nhRxlOv 1WBeovdkIyW4nj17PKYdLFO0cuevWQiAv1G8brdTfA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt8KYF2YarCPaPLQTmr1N oUsJ6+wYYe7QSQzEaOdjTeOwHS/cF/xQ7c9EWTV5lHXJUsZMw2tKn0kz0s1pJ1pc eUVPi3CHKyzRRCOKwAT7eic+aJoGiMUQd4uLbJXa66gMPNkj9RtYdbCbVtJ0pAXi WkRGX5JhPD3LDcHuFTDTO0fCOCxELZD3Ip+IGPkHAc/AtoB4liFQkBoo4yDf3uBJ 8+cDTRgsPu1po+vKIiOyvh6gm0Rwb6tT6Mvm2TPzkwGld/2og/QXbsciMCbWkUcd Iq2632xJbAl2Z+tZ2zJmsq7AfCE+dwl0/hLMBJ9K1CAX3UgyRqkj7niAUcVZFYJC 4QIDAQAB -----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 269471163661209581168245158694296526453273 . . . . . . . . [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 2018-10-19 08:24:57 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-17 08:24:57 +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 'zh-cn.eduhup.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 23197567739370231718072908265763852314349295126518121988756803648898938654579368811608062485229555783418640482890769806177511652456773020797165436786774221745101220978129133262693320762975008116667952698233836652934997005292546512846507314406984993945703172599001892194613849978286761735891427555549464113801631585025169973348795956676441607432650157657178717614223061270932016417379189798936919771167810967503583157860736040582509126552633406517557718412910784885128385345721219395045953240499803864548373648557509943196230523323581011107023757785314247118216989374776472688695285928370543349995137443792438656385761 . . . . . . . . . . . . . . . . . . . . [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) 7ad1b93969598d42ed8f0d771fa76fe01fa6759c . . . . . . . . . . . . . . . . [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 (83 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'es.eduhup.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ko.eduhup.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'vi.eduhup.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zh-cn.eduhup.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zh-tw.eduhup.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . . . . . . . . . . . . . [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) 00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001668ba461b00000040300483046022100f76c3e01e6d93f1aa3e41ec3d012268bc4fd83dda67db0f758ca601056690a500221009567a011b90366911546f090b872e24ae771c14898a63e8e5909accc312417db007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001668ba461c80000040300473045022066c5a154181250dadb90d103246b991bf39b313cd1153957bcb7ffb5a73edb360221008374980e509ccb32a75bbd5a1ba6ec42931cc8bc44a63fe0cd1a4021dd8432cc . . . . [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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