www.guangdonglaw.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ec:3d:16:22:be:a5:51:9f:b8:1e:50:5b:d5:22:b8:5d:94 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.guangdonglaw.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ec:3d:16:22:be:a5:51:9f:b8:1e:50:5b:d5:22:b8:5d:94
Serial Number (int): 341724694231602426057414651074000652361108
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5a:1a:bf:e4:4a:0a:10:9c:7f:f9:52:ee:c9:d5:53:53:d3:40:44:c3
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fb:e7:cd:0c:3b:26:28:47:d6:00:e1:b9:ad:9a:c5:16:2a:16:1d:75
Fingerprint (sha256): 0d:3b:a9:38:ec:c7:54:74:7d:64:b2:0f:66:57:03:85:19:f8:6b:bc:3c:5d:a1:41:9f:a7:ba:6a:8b:9b:30:65

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 www.guangdonglaw.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.guangdonglaw.com

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.guangdonglaw.com

Other certificates including the domain name guangdonglaw.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.guangdonglaw.com 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 341724694231602426057414651074000652361108
 . . . . . . . . [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 2020-02-21 03:33:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-21 03:33:28 +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.guangdonglaw.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 887403510694540017062071689211412765246058573221209237340688975127043219828107230607957077861815730698996190552231299810599446024735465315157906728334442263919679730543914000203812145495382044334540132150284039880147465500838036345356899208822654812279528985382893613461032309795634813593102893643810605156147114570249616647419138183793986146346253209809255587615825348847768872311484798735064186211067317127256860654831255058005241054045715494251775367019533560007804521901437957765399440828052958691437312097300914979092581070167818066056528633991667086215082287151050241589205458358224981421920558386797732891753228060721562452233033564310188938865264715334237184192661244444177421200901459149173505555650803821703805545190802265009934693077364616543149110063176301695405453077320416266032384388213858690267608253988907777753302367530825074702327405199279224000644227582175757147540650879514525792816206980147297446248314149624635412567521883575702822278659208972038798275460332090199729851353211992032713530701782261585169711415257246328572079995155705317184563707399180299906744078355228742074400816427090315695612455625027507753116172611856220343802979894823965788804042463883054420492154827232829510688213295924662532560846247
 . . . . . . . . . . . . . . . . . . . . [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)
							5a1abfe44a0a109c7ff952eec9d55353d34044c3
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.guangdonglaw.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000017066059aac0000040300473045022100be3d2ba5cd14b7159d90ceb90206f90e69430cb2aa822e40323f86f62327336402205ddd1c228e2aa9d376f02289da971673f4c2104993f1db0ec5dad2339be4d61f00760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017066059acf0000040300473045022100eaa11d3e4ddb599ef9308bbc10f7072979b8c89a501126d3c3c50cc65961ddb902202c0f31468e6b693e96683c1d7144c1ac95a1a434b230efe933940fed57af02f2
 . . . . [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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