tseung.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:40:f2:21:0a:ad:57:f2:9a:1c:25:43:35:19:45:c8:22:20 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=tseung.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:40:f2:21:0a:ad:57:f2:9a:1c:25:43:35:19:45:c8:22:20
Serial Number (int): 283436774015554869527233006846767545197088
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: fa:31:bb:36:d8:c2:98:d8:0f:61:7b:26:86:91:1d:59:2f:88:0a:0d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:10:92:02:fa:c8:90:0f:0f:00:00:4e:f1:e2:af:10:97:89:f3:08
Fingerprint (sha256): 26:11:25:79:08:a8:e7:53:9e:0b:3e:3d:54:a3:04:b3:e1:6f:a2:1d:91:5d:1b:38:bd:79:25:eb:f2:6a:3f:c2

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate tseung.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

tseung.net

Other certificates including the domain name tseung.net

(limited to 100 certificates)
tseung.net
tseung.net
www.123pi.net
www.tseung.net
tseung.net
www.tseung.net
tseung.net
www.tseung.net
www.tseung.net

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 283436774015554869527233006846767545197088
 . . . . . . . . [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 2020-02-06 06:54:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-06 06:54:57 +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 '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 657370046958678310146095881098422940537309779377478936536846171991996741892455983178828439540465611259206048996916222298642179261230859131724899275835673191876014924901340697856959728994394139054783319520057635621679200011549513855632018565028246118692430151485766264258887975080119365174478516029084350619008740642166063208382564364509546958262668436409266857104319836913543730288980609689324640395248288725369438294711369905695625939571425900098104242918334982875676157529958345587003321160404363203193615971953492733898219096688214192214739881098740086589845003402866134307223153439191592202982399652591437030103106617627147275938582098805011479922973476927493760353769667263491438148178155557795341822903114419597586036403853061157887538028698972517200841621598761148974651994054867269870368160431009772647118626168761901469928236378240763537963311027960256577594896462008019421608372869245988467676015096595750619886285776994145792261050193827439115734010800917032719001743191070536888541321503126627853182259207111919418716838709317753549267035903264193529717723295646124813349803479186822801705198911776430519920261597381715756143507022673734596037661871721067628636223572514895443141039049784027443390350770233126291016805607
 . . . . . . . . . . . . . . . . . . . . [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)
							fa31bb36d8c298d80f617b2686911d592f880a0d
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb27300000170197eacbb0000040300473045022100c13bf15e4acf8bf9de6a60187f40120b121f1fcc34ac2e3cfc5cf6d76749d4ae02206d389b561dada892759c74099eda60266791fa1ac77f90983cc05e8dfa3aafd800770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170197eace70000040300483046022100dd52b38b698d02e61d44af6227931edac68e5b43c3c74f151971e9c04552a23b022100f469aece478d0a3ade2800b3b3107167a0fb98ae70b173ee1acae0f11bf44245
 . . . . [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)
		007f7e9b1b0fc2f778df2d264242142e739a13f0feb19348d794ce8c3fa1ce5aed766439bda54d03ac543e134fe179c586def30100dca15382a985343300571c7d4e7bce7127f956b61d32afe4581f9b33d119d8a96fa51f395317b7fd8de481bccb15514c00ef6e8d9dc810c4eb6fc436ec3b6300efd53e72c1fdba251a0b1bb20024ec74edae4eb72061bce105bc87c5e337d882e4339744a13c5d93c5a4e98275de53da86ce62b2268a9d080d2ca0d0d94099814b5ed2e121d3bcae21851df6de8e52d3e907541a12a61002cfcab038790511f297c551dfc07357d2348b41bfe4974eb7a9d788d15756a99389f6d99c7afe609e0b3d8ceae7c1288cce6a1db2