zh-cn.eduhup.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:24:3a:8c:af:93:f4:f2:4d:e2:bf:35:ce:74:c5:5d:8d:44 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): 04:24:3a:8c:af:93:f4:f2:4d:e2:bf:35:ce:74:c5:5d:8d:44Serial Number (int): 360777134642654519066562397197962688957764
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: e2:12:a1:c5:b3:28:41:87:fb:4a:6a:cd:a7:fe:26:a0:11:40:8b:d5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): e3:c5:04:62:f8:87:d4:df:d9:28:69:4b:48:7f:9b:91:7a:50:70:e3
Fingerprint (sha256): 2f:c5:5b:86:8d:85:e6:14:d4:d3:6b:af:ed:35:b7:4f:85:80:b6:88:d9:74:b5:20:72:a4:9e:87:72:82:77:79
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----- MIIFljCCBH6gAwIBAgISBCQ6jK+T9PJN4r81znTFXY1EMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMDMxNTQ4MThaFw0y MDA2MDExNTQ4MThaMBsxGTAXBgNVBAMTEHpoLWNuLmVkdWh1cC5jb20wggEiMA0G CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQCg5HC0EDGEDPeVUs3GNDmy9B30pcmg 5zYn7j1STEMF3AC25wpJnFK0NktEckCHNr8OZN3mcA9/Z9wFSpCr3iXn813/6e2x uxKVTJqvXbTdHLViwHIurPNuzqr+JHfvkEszePQMhiJt4Mm0D0PUHc+YfHMx9KA7 NyFR+duMPT047YnTlg1q6QsaCB165cnzMEZhAklx3gJgFu6K3N7cPjhClz3+PtB3 Fm96J+9clNeS/Xf8JgSMc5apLFL8ngs+EwzkEPmUqSjWTgVUCOI7FOpX2PpejL9+ oYLSEaMvxuGUtilZJLi6qnG8bmD2npvYunLXw0CKtJqnIXXFLqex88xRAgMBAAGj ggKjMIICnzAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsG AQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFOISocWzKEGH+0pqzaf+JqAR QIvVMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyhMG8GCCsGAQUFBwEB BGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgzLmxldHNlbmNyeXB0 Lm9yZy8wWgYDVR0RBFMwUYINZXMuZWR1aHVwLmNvbYINa28uZWR1aHVwLmNvbYIN dmkuZWR1aHVwLmNvbYIQemgtY24uZWR1aHVwLmNvbYIQemgtdHcuZWR1aHVwLmNv bTBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUF BwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIE gfQEgfEA7wB2AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABcKFM UnMAAAQDAEcwRQIhAI9rNFLK2VhmIcqATguUq7hym6rcMYslkKnEPR/ity/CAiBb Ko7GyZxWHfBc20tnbx37PwzTXK7cwJuquRUxexFqYQB1ALIeBcyLos2KIE6HZvkr uYolIGdr2vpw57JJUy3vi5BeAAABcKFMUmIAAAQDAEYwRAIgXShYqpMhUrboLage fNypnOOgc9rKaYnJ6ZT7F1LVlHkCIEw55THx9p7NoBhyUauilJbISLpt0LO2kXpL XViRWXAhMA0GCSqGSIb3DQEBCwUAA4IBAQCBRP1WC2UxWAyavxgKz0+n1VNq3kFJ yQ2lYqNjRA9uD30rKyuKE/m2ZOFy0vtP3k+RIU/kW6k6pbN5LAqAPGB+D/gkQDjs lNjLWe6lb7QiOlza0ZCCIqxwpP+3mQo5slzsItNihlRP6y+AshYZg5WAlSbW9+4L RXwfo2P1DOyadP/f/QxlH971JhuR++Rf+GnDsWhOHG6u4+ckkt0kWaK5+IZDqK3F kmH4uecL00wTLPD0M4gbsjf00J0XIw1FmxsRgnHFfNInV1yLiEZH+reNk80ci4yE HYXfypusFLLmHKcnjqT3j26DD38rDQy9ZxQZCEpqVdcQecg6reQI/N+u -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoORwtBAxhAz3lVLNxjQ5 svQd9KXJoOc2J+49UkxDBdwAtucKSZxStDZLRHJAhza/DmTd5nAPf2fcBUqQq94l 5/Nd/+ntsbsSlUyar1203Ry1YsByLqzzbs6q/iR375BLM3j0DIYibeDJtA9D1B3P mHxzMfSgOzchUfnbjD09OO2J05YNaukLGggdeuXJ8zBGYQJJcd4CYBbuitze3D44 Qpc9/j7QdxZveifvXJTXkv13/CYEjHOWqSxS/J4LPhMM5BD5lKko1k4FVAjiOxTq V9j6Xoy/fqGC0hGjL8bhlLYpWSS4uqpxvG5g9p6b2Lpy18NAirSapyF1xS6nsfPM UQIDAQAB -----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 360777134642654519066562397197962688957764 . . . . . . . . [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 2020-03-03 15:48:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-01 15:48:18 +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 20310776879086526817776563097253752558613282811035621255739507635936473298728699738223598137600694366953563039447084130155570969245533748673570731431971496547186431796628346128547746090327629115279808364974968089178328076502833982450309635634732730412059662577428869902458602575422771644447206033848578688209591897813462024223811360826133011913269584642358195613953451043054281295824399572799897524022998478332049710743246704275294021591796165711359889480430789577436688192927180267703753635211676455530461574295679417769859540113883651187941289666607228051881115885607114590627346259997303702334562400372704234687569 . . . . . . . . . . . . . . . . . . . . [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) e212a1c5b3284187fb4a6acda7fe26a011408bd5 . . . . . . . . . . . . . . . . [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 (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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170a14c527300000403004730450221008f6b3452cad9586621ca804e0b94abb8729baadc318b2590a9c43d1fe2b72fc202205b2a8ec6c99c561df05cdb4b676f1dfb3f0cd35caedcc09baab915317b116a61007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170a14c5262000004030046304402205d2858aa932152b6e82da81e7cdca99ce3a073daca6989c9e994fb1752d5947902204c39e531f1f69ecda0187251aba29496c848ba6dd0b3b6917a4b5d5891597021 . . . . [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) 008144fd560b6531580c9abf180acf4fa7d5536ade4149c90da562a363440f6e0f7d2b2b2b8a13f9b664e172d2fb4fde4f91214fe45ba93aa5b3792c0a803c607e0ff8244038ec94d8cb59eea56fb4223a5cdad1908222ac70a4ffb7990a39b25cec22d36286544feb2f80b216198395809526d6f7ee0b457c1fa363f50cec9a74ffdffd0c651fdef5261b91fbe45ff869c3b1684e1c6eaee3e72492dd2459a2b9f88643a8adc59261f8b9e70bd34c132cf0f433881bb237f4d09d17230d459b1b118271c57cd227575c8b884647fab78d93cd1c8b8c841d85dfca9bac14b2e61ca7278ea4f78f6e830f7f2b0d0cbd671419084a6a55d71079c83aade408fcdfae