guangdongexpo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:42:08:44:0c:c0:55:56:08:84:ca:65:58:da:5a:b9:b7:14 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=guangdongexpo.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:42:08:44:0c:c0:55:56:08:84:ca:65:58:da:5a:b9:b7:14
Serial Number (int): 283806481170842470903958978463955383072532
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d7:cc:3f:6e:b0:76:f0:f6:cd:2d:6f:dc:43:7f:f3:35:b2:58:16:96
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b7:b9:b0:92:64:49:c9:c0:fb:17:c4:ba:91:b9:6c:1d:cc:bd:68:fd
Fingerprint (sha256): 2a:b4:24:63:58:fb:3b:44:00:7f:b2:0d:34:7f:ba:e9:3e:04:47:a4:ec:d9:b4:f3:4e:82:45:39:8e:1a:85:b3

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 guangdongexpo.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for guangdongexpo.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

guangdongexpo.com

Other certificates including the domain name guangdongexpo.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for guangdongexpo.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 283806481170842470903958978463955383072532
 . . . . . . . . [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 2020-02-23 02:47:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-23 02:47:56 +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 'guangdongexpo.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 711714401033471959433725877203861837329830571167914526854985993328603478214497074368818085638020518140628929222597523949065148555160401853769422188872027190596989922598648390603039162789021093886597962595692252992268990953432049256157580394824959990229135076031706145181849052985999531892293589629036908266694747321478182924885521895935359292584708129551774618547974239656758693783890193616225472638676836646089660310449402536459102807646697055278317029390260126415283793261901594416509365563507151479217863391741876968791480704596083663581420667629698109811695321299553897392128761493147894201214583585192505893400043314112950172940968046987345563771841327841374876137969170595376202937129525872707879134582601853824179444332235608632157015394137747629791667279325515759469690796482644419027294522620247128485689999065671635950776567591115877609963816375351228689990317266998826120014050503966805976954635963935520986958139303400972133565686267418883282181898614266594598474527537472617241107251316799194873604663104121201724731748103097711092577838293040638387591102707989678955117978529450279960050595698077700805422042379321804309014228881336323688182401056841640175862031951757878366638071731922206734396272105292972892565196593
 . . . . . . . . . . . . . . . . . . . . [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)
							d7cc3f6eb076f0f6cd2d6fdc437ff335b2581696
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'guangdongexpo.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001707028a5b90000040300483046022100c9d87e35895abbc5598ca89a2e648ae612d30d5739369fdc8c2035ba888ced03022100f0ebfd4608a27ee8a4fe67c4c522532c88c3d8158810878f8bd0e91c9fa8c7ff007700b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001707028a5a80000040300483046022100dbbb2952cf59e85350f7002a0573a62d7a8596a5bf14b2bee1f413c2a242d76a022100e4d5cfdf85e8eb67868cd09012587b5f5b0f73e77a894eb0f1dace1b7e2ba004
 . . . . [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)
		00967555def9f461feaa2a1659432dc4220d8c0429d0dd4103f8ac7fc9e524e9722f167b7e7d483ba353a3d5cefa5d1c47c8a890c30a42fa46278f2b90c4d74463d2f8f92963af3470443e5b3b1147fdbb5421f7c22c9fda316903c3706ae06fd9dc12094c7b4bd72e9340d3fbf15b8af1c1d954c08aa61d957a58b4d6a77b854f7118345b8b4aa621e464ccf3082d0e9b86f2e41f8c295f975e7b4b65c68ea270f9bbbde1e29e165900998ade5a1ba82d20cb7a3941c3b212815beabf34fafacfe4ee6ca8a9894bfe2b598a0add0ffbe21c25db0d988f9f492eb878131dc5da6a21754ccaf303ef6ef478266447524dfdce0e59c9334c447f97ff008f683d8c22