www.dongguanoffice.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:29:0d:f7:99:aa:40:1c:7c:35:13:b3:2d:91:19:59:c3:b1 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.dongguanoffice.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:29:0d:f7:99:aa:40:1c:7c:35:13:b3:2d:91:19:59:c3:b1
Serial Number (int): 362419286348766024060500521828208686515121
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 51:b0:59:1f:76:d3:66:7b:ba:56:65:55:0d:7e:94:4e:42:52:9b:28
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7f:2a:3c:6a:48:7e:fd:32:9c:7f:fc:91:d6:9e:78:28:ac:97:d0:d5
Fingerprint (sha256): b0:ea:3f:3f:9e:c8:86:a3:47:9f:33:00:0f:ef:92:d0:c9:44:5d:2f:a4:2e:62:72:f2:af:6d:7e:8e:8e:bf:0f

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.dongguanoffice.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dongguanoffice.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.dongguanoffice.com

Other certificates including the domain name dongguanoffice.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.dongguanoffice.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 362419286348766024060500521828208686515121
 . . . . . . . . [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 2019-10-17 07:51:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-15 07:51:45 +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.dongguanoffice.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 646264161460664888284208597895236471113044324199072075389139832952267843385734903069557577916999467898368664184631942475327698581030161958975304527273393966119541292348131483432444265014628743313031593651848644510825320239756175678819240244665083981821079685951374726028020626569227646110178312534178543681622869755088771664636452220255501037838766113459383197151469328869554141400693046089787540704200276565620995736678963939443004990611162921468492779592697229560261679727689126806137187473703564936973582193796057279950533787453854102395620156669237297532196615438647168616950599857462011582246451461933323740838329718166879305232672048168228522944320851155998361485763679952068625845002666479734046353781674324233321048348472660657771472685565757930338757841795527426846348113493430207000178759479869031358671824625038125663311784733583359628765507497667604635023079233073902827180641024083806498518618176275150882625475237039395020044102075972206619072291273911310758335784548186125424274810407785921350176022179012268703024354197085181960962578802582931484367804888161824085246468079629794484429943356361944782867645121533232809311243411120509509795406566988021890154105058110054161862528599061618464938642486164570221647840731
 . . . . . . . . . . . . . . . . . . . . [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)
							51b0591f76d3667bba5665550d7e944e42529b28
 . . . . . . . . . . . . . . . . [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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dongguanoffice.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dd8ea70990000040300483046022100d1cf1670c3e636fe6f4510d0af79cb42ae593d2d1ae3f2228a1ee8aca6667838022100fedcd5074e7b5dac6278741caf3ba29fde91850a0dc7bfd37f3db270b1f4dc750076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dd8ea72950000040300473045022020c39f5423c4e60fabb8a787812b0b113da985253f4e3ed1e59b8329490adfef022100d35bd24f10c57d7539e96e88b6988e8d554d7c347b63ef4fa2b2c62b20503572
 . . . . [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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