tseung.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d9:83:df:8c:bc:8e:da:88:cd:97:d9:ea:29:5d:25:97:1e 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:d9:83:df:8c:bc:8e:da:88:cd:97:d9:ea:29:5d:25:97:1e
Serial Number (int): 335353421021248113884508777394605534844702
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 02:eb:75:82:90:96:85:54:42:1c:22:dc:46:b4:a5:16:76:6b:b2:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ac:b8:fa:36:87:f0:e2:72:8e:19:4a:cd:80:43:db:a2:c1:c8:84:bb
Fingerprint (sha256): c4:74:85:7d:33:18:db:a3:79:48:76:7d:c0:0c:0a:8d:b4:46:f0:be:38:36:b7:9b:c0:7d:b2:75:3f:72:da:b4

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 335353421021248113884508777394605534844702
 . . . . . . . . [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 2019-12-06 14:35:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-05 14:35:10 +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 914175963296273435206709789720320359421959372603530375993374649706944560335843562177434051102150846982419582313143182358068535054193979822557101756167746796731853249848229274896767886508612311062615662950791503482153595298470985645893616860759418867885184621858342892327376243435276794837057144753493946792475871871437127696560585073863160299202824395277295210935297268984940400165019184618104058768466739919457770589435863808103119164418433454904135710520444306150871364419531763401626476692583402016556524809614899253373898416605075310624503801994047332723003524930154654302787076648083434280922469060450498487504157832281401451199433341192136108841733433376190440677669442465545704708065984291029501499664245352915033338506038057316465020653639962659116374383944855652905975021081877088969207761917541894612448053636223309820115609901747027245448118816479024934084123571187986643362900507913604229397074078247801575371671675983130257938258128161528158140935370654896901431401268190978389326478545177169171700128372926322791640088946493650859422961141967279168680176338442097811948785234577017361099132910741346464500364646428003246443598867079247881908899055132998466361661938908072517671315745456006389626311415938857875688526883
 . . . . . . . . . . . . . . . . . . . . [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)
							02eb758290968554421c22dc46b4a516766bb2b8
 . . . . . . . . . . . . . . . . [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)
							00f10076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016edbd9be890000040300473045022100bf6dc5225407574cf9d2191e59ae477dd71286ce073f7cc26c38d474a023f2de0220145b3163cd0fe6d3583cf46e66e6321bb2b870e096f3d9f0c2e73bb4c410369100770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016edbd9be830000040300483046022100b956fe809a2e709ab8c0a0ea0cf49452162f58a900a2a761673a6ea1da00f071022100b20be958b75d4031ef650a65d8a96b4aa74c2212174d542cc0431bb7df648559
 . . . . [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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