www.dongguanoffice.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:91:ac:ed:41:2e:c3:ac:40:fa:92:d3:ec:9d:3c:37:65:92 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): 03:91:ac:ed:41:2e:c3:ac:40:fa:92:d3:ec:9d:3c:37:65:92
Serial Number (int): 310907660110508972958373027199890727855506
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: bc:cb:3d:40:f7:29:8b:5e:73:da:a3:ff:ec:03:2c:05:d3:c1:3c:a9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 92:e6:e8:03:df:12:fe:6d:fb:0d:1a:a1:c4:e9:77:9a:d4:d0:0c:53
Fingerprint (sha256): 79:c1:29:eb:13:b4:16:01:22:75:54:ac:3e:b0:6a:b4:22:b0:67:ef:12:2e:70:eb:04:78:5d:40:ca:40:bd:be

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 310907660110508972958373027199890727855506
 . . . . . . . . [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 2019-12-20 18:41:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-19 18:41:23 +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 798273075038298406127322119812384843064960198509135202645932725338243970959897565912743696773635660056427472049469528172382088147882213196548927763277881208248843979628594192533326005261695578608579972582245361247198897378240755207506197958799489694037203931937724666070296955746570663226315765035031682256311291390435957978955193706826425273935022222521028956884603773981967864365326207259677890768128607941546781449350189865581448485066355728379742993103659933803144540409517822053588212312731542371121610502392801051501332139526773711310978142618034599331655780569966551699673765422989381150386638036571352381010991749572574516058871416526608407332828121438183270256034688325076730699887367616522135426431639807329337049015766687071499490423150431167359829362289401752871429076662981961223123753385125756792308265664781592448759603273525468022009874820113957534878013356130827997794114688253089229520660318862045505220486258980245097352543332524476665183288656965944480827947389790707479253236928895139287592511293752851627616469112976290965697126848531956610010894907120970824720226785955480633387928134980000507291317115231008154332759130167431954718503160869720566078610619915454349479083649125796366251376125779909469456503391
 . . . . . . . . . . . . . . . . . . . . [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)
							bccb3d40f7298b5e73daa3ffec032c05d3c13ca9
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f24d42f4f0000040300463044022015a949ea0eda0b7bc2ddc6f0a465581fa063ae1ff3328940946dda9eff7b69170220281201dafe2c8bda9000f61a9ae5fda9d2651df59e312ad17204474d047f15e000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f24d42f74000004030047304502203da30f2581f06807fac0538fbf56a845df58763df30df6f93acb066db78b31e3022100f602c3f5fc143abff9a8c2922510db3b76dd3de06928561b72f49fb1b2f73822
 . . . . [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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