guangdongexpo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:15:b1:f1:49:39:0c:01:69:b3:5b:b7:52:48:71:89:6f:bd 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): 03:15:b1:f1:49:39:0c:01:69:b3:5b:b7:52:48:71:89:6f:bd
Serial Number (int): 268719313684552906533650755641341345623997
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ca:c7:a0:4e:5b:d3:dc:f6:09:a9:9c:61:cf:21:40:11:5e:6a:e5:13
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a8:43:4d:bf:cb:ba:61:a0:b1:ff:85:12:b1:0b:97:bd:b1:a9:08:fb
Fingerprint (sha256): 5e:ff:e6:07:af:48:0e:2d:e6:3e:28:83:fa:50:f8:0c:59:53:63:62:bc:6b:b7:a5:89:e8:a1:3e:15:de:94:ec

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 268719313684552906533650755641341345623997
 . . . . . . . . [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 08:50:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-15 08:50:57 +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 905772990429261112442963232629457605623551455466322274227880969849747101112230185856584304310435327059434530313144378064754661471078956839469528328719480292241595506085188641943786032635454027523975320504509390404504416299756906473805583867639090363210205819656307405791641663370858834182622394666346239493451953131515184089954945109462707429712892935746216807511313841063485454440900218688858416914344563293650433832337384284381382917574090049282445625022850570276093904860717410924625884254731719596907490924508898566077138502535606070377920643356280211634330775862378470170119137447238757818238268328361698436990853576943302504044984217997948591857604937595691105679437335551793222588932682733821484507994990331641529585293695057626965086978736928341485828119877136576945110119172312588083062168071345797690636901256690243292794784383321058940093232894384259724146635564674128072638541634361370743607067410492986048172388264174997647292377021802762028502193781159563279463951203467937464883511230541104286651259366799749268085813338495366425060059567255389319092865572890021237822776713299605187747248912533683021653304748738081957140983486534454435769284491825696140505322519218314954738428270247531515734226604077933501656862213
 . . . . . . . . . . . . . . . . . . . . [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)
							cac7a04e5bd3dcf609a99c61cf2140115e6ae513
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dd920a2330000040300483046022100a470b3da2d116cf36fc8c82cf5c3ac5539ae48815ad639f6c93a73eb6680023b022100c39003956fda245546471fb830c3e5f902718bfbae42c492ff4dfd9074d7a46f007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dd920a2380000040300473045022002a190d17ccecf62945d358b5dd86a31689f8bace81a9c2057f89a745d44a0df022100f50cb08b1c7bfdbe726526b924cfb2eaee6c2b486cc6507a7c35081da1572688
 . . . . [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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