www.dongguanoffice.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:79:8f:7c:26:53:48:a5:6b:3a:bc:fd:7f:a9:8a:cf:21:56 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): 03:79:8f:7c:26:53:48:a5:6b:3a:bc:fd:7f:a9:8a:cf:21:56
Serial Number (int): 302701748418251980634682740591570145190230
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ce:fe:16:ac:16:b9:e5:86:48:dc:f2:db:f4:d9:c1:59:59:8d:0b:0c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b2:17:e0:0f:25:1f:4b:da:5f:75:2a:67:01:ce:87:00:bd:b6:b3:ae
Fingerprint (sha256): 51:05:68:d4:a5:18:03:bf:59:90:a1:f5:e9:ec:fe:c3:c9:6b:fb:b0:1f:0f:e1:8a:ea:a4:db:96:8c:2c:b4:8b

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 302701748418251980634682740591570145190230
 . . . . . . . . [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 2020-02-22 08:31:33 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-22 08:31:33 +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 '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 737623308890902412573826573869201290974802859113834224385911029673890283985020854746877216549928157164229820630919629630427223681890939278039147449977253968541541719757532224954890102178811827155561683026813434829783246639289862640333045320884162761185615051569982139064181241963018768857176051119722550773195344930455718701197214124187011582130143065944885825729352980436512487153282264598707411796251166244116137657768249884003877744136705829951060334811203400074742696241206125700635596275906337192043026079285776994482911900403232499044093556337656887820333610413327693793083391864102181343310665350703483691984817315348129951615872138940861501597481787276445525710392287677423029980201649123677314981919406209942784679101471386299000749367465175194118780231715974722590699024565816724005318992088544877165628823967741336345034647181156216360854874855601222852786157317514813162640651889656706650284429268296054074081637348425802390575195785179221777989154112542342102516726661564407433359240838898512531277102220666768733472240054852229823520484284396002442300359138739144757808817040597564323969552412451133286896951644683656382121574702769219392905897317367274105652404831327228720095747633245405596197191923630516344796049359
 . . . . . . . . . . . . . . . . . . . . [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)
							cefe16ac16b9e58648dcf2dbf4d9c159598d0b0c
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001706c3cdff30000040300483046022100888a3f1f303478f458f3713c14277c9b4b3e70b4fd1a34384ac1082462b1873802210096904a8097afaec0feeb5af3219b72de486ccc88463ced803c762ce9bcba698300750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001706c3ce0470000040300463044022042d5bea2658fe8a01683e0d2b688434bfe2f21c474d1571f496b8ef99aa17bc002204339e975d4f51003c9251bcdaa837b7473b798e07b22b5a6ea02b2a857b6d31e
 . . . . [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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