www.tseung.net
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:9d:67:f0:40:02:a7:f4:ea:eb:c5:be:c3:11:e9:ce:e4:69 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=www.tseung.net
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:9d:67:f0:40:02:a7:f4:ea:eb:c5:be:c3:11:e9:ce:e4:69Serial Number (int): 402011633266724871086443928116624458966121
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 70:29:6d:7a:0b:fe:41:0d:d0:df:4e:04:52:9e:01:69:ad:51:1a:8a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 7b:0f:08:74:ae:9f:5d:7a:00:8a:26:3d:b3:09:c3:d6:03:7b:f4:ea
Fingerprint (sha256): dc:3b:85:04:b4:20:e0:ad:e5:1c:33:42:7a:1d:bf:c9:58:1e:3f:49:ac:fc:1a:ad:8e:eb:36:d2:7f:12:b8:e4
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate www.tseung.net
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.tseung.net
Public Key Algorithm
RSA
Key Size
4096
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.tseung.net
Other certificates including the domain name tseung.net
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.tseung.net in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGVDCCBTygAwIBAgISBJ1n8EACp/Tq68W+wxHpzuRpMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMDYwMjQ0MTJaFw0y MDAxMDQwMjQ0MTJaMBkxFzAVBgNVBAMTDnd3dy50c2V1bmcubmV0MIICIjANBgkq hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAq4297Jef+vf00zFYdA951CWcRcFX5Iw5 rS5OGEOUWENYSE+IQ+QFGUUsnkAX8r0vUUazCcIiu/nnJGwLI5wQQFTS9WKb/GWd h8TpZhUnfXQURL2oHXZ8WgGIeMlzUp0cYrExB38MRLH9fRLrM4zfXNr3dzzplD9M +v9lBHYQiBERo0ZjXEePFVHoH4oiyn7MZPgR49ay2cTZnowvfGz3GP0m6Y9cWm9C qO2RNymBUmDxDhPR+gjgewmQwOH8UnyseWDn585YHRg9MDdG6P3KkgGjjWz5o/my lsjXCP6IncvYVD3konxU0ut5IimAKA3ckksqoiLY4GUdaAE0A2jKgvCHA6iQqeDt ysTk6FIIt9mJyrtPfpxJD+ypjn58N93cG70bjKPLLdKlwME8f+MHIeRFAFcGHWGy geGIZ5WlaWenIepqXvbeYPkoncdloFWJrZJB+8We+XUcvL+NaHH4fhIIM8W8+xgw 0VzMPdgG1yb5fmPVNYvP2ZJKWHtzgbcWZ4h5/rmmuJrpLef/6XRAAn2aewMpRalB Vnmi0L7BkyJzK1LWJjwY+OMSShEFN5EiM7bVaWJX3Zl0b1A06qUEhr9NP0+uPkOT 7Qw/Li5w/7n6Olp49BNAGMOhHCmKtM667RnWyfRfqGsvytnu6L4bMWXvtzzdDSZw 4ffuhc1a1JMCAwEAAaOCAmMwggJfMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUcClt egv+QQ3Q304EUp4Baa1RGoowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo 7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt eDMubGV0c2VuY3J5cHQub3JnLzAZBgNVHREEEjAQgg53d3cudHNldW5nLm5ldDBM BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUE gfIA8AB2AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABbZ8q6vUA AAQDAEcwRQIhALKbC7qiPsYww3PrdY0u3ZxMjZacJMNP6ZceBi3AA5IfAiACAQSX Ets0L2+0zUOHthtsi0L+CN6FOpUUcK/g6P4VhAB2ALIeBcyLos2KIE6HZvkruYol IGdr2vpw57JJUy3vi5BeAAABbZ8q7OAAAAQDAEcwRQIgCfY4NKAjIblj9qO8Yq6r /modzJNZZwY3nwFJorDN7EcCIQDztirS1lrI6bA27l7Oa9Sc/1MaBpSd2M355qJY hc4gGDANBgkqhkiG9w0BAQsFAAOCAQEAFsZt1P7ODJt/B3h8C40HMV0Rjsdx15YC VpBM8ydSTtqihtNZ2r9rXAyG/PCtZywe4PSLZwkvinoU9UIIXL8k2+pTS/Srm8Dp oBTxy3xKf8WfpZo1olNHWnjMg6orqTHcldS8//7rcSnXjrv0NHg+UHDncsfhGzzq OX5XsSlM2vFWQozg8iKLCaJ3ErYLG9XJbqjKSwQi6MdfbY1jy1L0DR4FPa3gVtMv UDVTURfac3M+sU+/4+vG7mE/Kjih+nDvKk5e4HQPuTCrKWMCGHu1+AQUWSRe2uvg P6vaYgc1veeOtJvLZ7vtek1YkMQnAQl0ax/tpZ4GyGkGOJOylosxiw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAq4297Jef+vf00zFYdA95 1CWcRcFX5Iw5rS5OGEOUWENYSE+IQ+QFGUUsnkAX8r0vUUazCcIiu/nnJGwLI5wQ QFTS9WKb/GWdh8TpZhUnfXQURL2oHXZ8WgGIeMlzUp0cYrExB38MRLH9fRLrM4zf XNr3dzzplD9M+v9lBHYQiBERo0ZjXEePFVHoH4oiyn7MZPgR49ay2cTZnowvfGz3 GP0m6Y9cWm9CqO2RNymBUmDxDhPR+gjgewmQwOH8UnyseWDn585YHRg9MDdG6P3K kgGjjWz5o/mylsjXCP6IncvYVD3konxU0ut5IimAKA3ckksqoiLY4GUdaAE0A2jK gvCHA6iQqeDtysTk6FIIt9mJyrtPfpxJD+ypjn58N93cG70bjKPLLdKlwME8f+MH IeRFAFcGHWGygeGIZ5WlaWenIepqXvbeYPkoncdloFWJrZJB+8We+XUcvL+NaHH4 fhIIM8W8+xgw0VzMPdgG1yb5fmPVNYvP2ZJKWHtzgbcWZ4h5/rmmuJrpLef/6XRA An2aewMpRalBVnmi0L7BkyJzK1LWJjwY+OMSShEFN5EiM7bVaWJX3Zl0b1A06qUE hr9NP0+uPkOT7Qw/Li5w/7n6Olp49BNAGMOhHCmKtM667RnWyfRfqGsvytnu6L4b MWXvtzzdDSZw4ffuhc1a1JMCAwEAAQ== -----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 402011633266724871086443928116624458966121 . . . . . . . . [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 2019-10-06 02:44:12 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-04 02:44:12 +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 'www.tseung.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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 699877949952863556759957308237994098940426880951401550068581412482873530619482358116271310041966336671522295756689443762173203094931487785298856251283733300520401265841228205686710483087087756112468975334923165504646315346139811568380908812574484451632419392642694721073697396887248911469514637332582061987804556398807038938560250036908103152539449997376248535867015326126471879102533662907005912155746329464712024689868823175898761964092214505819987224653697514497525028340050701076227787962025496528848859201249183997074317356997793789167134662036398453939125405919726454696080380946362319976203577739319147014663281713499467485561968589783397875906346073644905784048130355012892839713090306202504740842021039733794304560209225988452854968151465927375090215235778986064932276239055215745222014601524642720903099907480286051654718547232084644924537201057591503118386063483204722291656168692052639221653556613161290278553856047922859691528382913143638098469014023102252686777705012994061050356737362069164864565905689844240109943942994242626005148035429444783178983858968208678890678062739585342872316804225413850783200749881565783050395828376192289824010518820934727368199016539997415732186703149809059078926016126284573648279491731 . . . . . . . . . . . . . . . . . . . . [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) 70296d7a0bfe410dd0df4e04529e0169ad511a8a . . . . . . . . . . . . . . . . [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 (18 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tseung.net' . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016d9f2aeaf50000040300473045022100b29b0bbaa23ec630c373eb758d2edd9c4c8d969c24c34fe9971e062dc003921f02200201049712db342f6fb4cd4387b61b6c8b42fe08de853a951470afe0e8fe1584007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016d9f2aece00000040300473045022009f63834a02321b963f6a3bc62aeabfe6a1dcc93596706379f0149a2b0cdec47022100f3b62ad2d65ac8e9b036ee5ece6bd49cff531a06949dd8cdf9e6a25885ce2018 . . . . [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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