guangdongexpo.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:cd:83:77:b0:9c:0e:c8:65:b0:bb:de:98:2d:86:be:57:17 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:cd:83:77:b0:9c:0e:c8:65:b0:bb:de:98:2d:86:be:57:17
Serial Number (int): 331269493346915373224141519072834814367511
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 80:bc:b0:93:54:d5:e0:ab:b0:de:69:68:07:ee:fb:dc:de:b5:8b:fe
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 86:6d:7e:09:25:a9:03:5e:24:b7:0c:18:c3:d7:40:c2:f2:c0:03:3b
Fingerprint (sha256): 54:a4:2f:fd:8e:ac:2a:5f:7f:1e:5f:7f:fd:aa:57:e6:53:7a:4b:ae:0c:78:ea:f6:a2:ea:a9:09:42:6c:12:97

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

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www.guangdongexpo.com

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAusPa7rOv6NUYX3GOxfqY
yih7IxRNK34J5eHgQA2ydDoK0W92jGa3jo1pZONvbrZDqpjUQYXVazEKEf7/qHsj
ebJOJLsGOKSfAKMm8smkmntvTzH0DceV2LsXYObbYuePcOJB0GkujdgHVBWO8X/F
MnwyDOIBQo++hHT23JoUHpy7Lv0SKbz+cECZFyAWjxbniEj8622L5HxsAR0FtQZX
tbSoGV0sSO0fQVp6id4yzF0+WKslAJe2eY+7yBJmvX8ugnGB4Ir3+xGudJ0xBZS6
pOxQDgvAezN2cdpPZpUkbG52iVdeGu+aVEfn52pPfuacSGlhUiGuWNuyp941lahu
IsdR9A/KhNJgpBrHt7VayL2FfGOTwzjhAVZGGSJw788uwPViCqmou/kYY3phGsrE
6jswAJn9utl5vLSXWbmd5lqR/ybuYhdcZWKhokqCu20s+RfN0+P92EDPj0dFjtfr
CzHVi5KTUcNYIrxdFbhwusg+29IYMKCxDre00RvYcXYKxrV+dejAcYkAeWRisVT7
JdOIk9wjsBptLj7RlQv7SkjJ/6Q7yY4TKxlOgUCZJdNrYZWp48/dH82UhOct1scR
grki4/5FO2kvI5lMQsTYEPk/g93Gdau7+ufcspUjlXAVMohdmRK46rEXJZSJQL75
3OX9ywUGhnNb3Zg/WvBefeUCAwEAAQ==
-----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 331269493346915373224141519072834814367511
 . . . . . . . . [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 2019-12-23 03:46:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-22 03:46:37 +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 761934966669170520000420083653418433942272776387128085801294916564456395059752720556928794315856543055672426346080018733812504886441739246068963018489192695668230489863162105287331197969421159029807653752894371590922082649987608957258838416207226139877004362165520880044826762329234062913630551190077476483630966990345873243915467928301203852330847456189691277163358077590758802587502621210282637605469672157580070493444488239225921852017040132670896473990612941734962174888103889230255461191695655588400859188464262002317210822749407450943297811766152054336506591858727843786797955256061554366568101730086311379690789206961672938187294896520802111853942811412366297950152642961894809147450314090051201189665271283566388564408538032176909268105181616940207585703307747755387028775318551566207017230320001345106678840866727186964473384779353867964833409931733734349217733866764940058114387973158887602988321963682148048974918026926540355975981776361715915990439307704858240419111608081590554312876189081858147247178537228043247534179858344174438882147983223439930647588776845759777035459656145446800851608049558640684018741546572005799838607425474129647359068263452930928288204109063315597185530737417315509624689076689863903140543973
 . . . . . . . . . . . . . . . . . . . . [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)
							80bcb09354d5e0abb0de696807eefbdcdeb58bfe
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f311414af00000403004630440220135bc4ce6c3f041a315753112a1541aefeb9e7cc7c0ef289989b54c8a2c118c2022048703dac52a99d0e1107ddecdc13fdf3c3ae45a9d479e773808e3b706ded19dd007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f3114149f000004030046304402204c04a780ef86966ed444f49d06f4416cc194702aa57e67d5f81c5e27062876c5022009b9dee492a65c144a975cdec05406a4b12a4e08299bb5698ba4293503ac12bc
 . . . . [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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