tseung.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c3:68:af:27:ea:b2:2f:5b:1d:81:78:30:ad:7f:75:b2:8f 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:c3:68:af:27:ea:b2:2f:5b:1d:81:78:30:ad:7f:75:b2:8f
Serial Number (int): 327831068517984125313141093347980979057295
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8f:0b:cb:56:e7:78:88:70:4e:93:ce:1c:90:88:1e:39:26:97:f5:f5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 08:b3:66:9d:e5:e4:99:f5:87:dd:24:46:3a:e7:33:1e:ae:4b:11:2f
Fingerprint (sha256): 27:19:1f:b3:ec:59:db:70:16:f6:4f:93:ea:8e:b0:26:d2:9d:6b:ca:63:b9:f4:33:b6:f1:0b:83:c6:ec:77:fd

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 327831068517984125313141093347980979057295
 . . . . . . . . [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 02:44:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-04 02:44:33 +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 942644838418061240128663625276385375974465690457257694400484120645085804007616951911605179170879082762556097024928513519330719699352766706948920195944565998909934486053196012054289924064202274707194322168140916187031521999228113861523188344526563261963890132615395199668150723023243746607423194925881599832793528799704353610479052087175452148427626328697406967465429947169771298014809143588608105699846413303140200889306659516987447885752499690335415564967390415502193788889311285825039907086490898267398146298031695631080380439167897144097030560081091687179873548980284711376786549588878733825451558934499104118704095563330899429988362247746188446766992392676576355040487064764827362953812134050397214269533274992130908838342331509318651589500273375313815631448639216990795014987273945510803194902559223671256443832264607120706897373565944638414897922750498812118095541795696909556889025849664722118153477708091148860383166221465337015445760271238670552731133123038061002327231569284169252369633025672061799446089344196880432972377112030860524061401382484909178873634499172210356785193288025463621549220394891415083350778966290461023661814442572748728168883099057827600020439496072600547018892843156640273353588554646292440634263339
 . . . . . . . . . . . . . . . . . . . . [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)
							8f0bcb56e77888704e93ce1c90881e392697f5f5
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016d9f2b39630000040300483046022100a991670e8640749090d3d0d8ff0c6979d07995c8114fb2bcb7528e3b22811463022100f31722db1fd0bf18fe7d9e6545ae096580af29bf0927dc1eeacd5ef6bb5dce0c007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016d9f2b3925000004030046304402201e1ec77d10847079e7f73a350fe66ad4f5a639834ecc2c33dec3969fee00e84102201d760822a93cb400eeea70797077add028937638e8a3b204b603a934b45d7455
 . . . . [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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