api.smartcity.iot.in.th

Issued by R3

About this certificate

This digital certificate with serial number 04:1c:92:80:8c:32:ef:fe:bd:b9:4e:6d:8a:18:94:33:d6:33 was issued on by Let's Encrypt.

This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=api.smartcity.iot.in.th

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:1c:92:80:8c:32:ef:fe:bd:b9:4e:6d:8a:18:94:33:d6:33
Serial Number (int): 358171784745782781256248618813024007083571
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9f:d9:33:d5:7e:5d:9e:d8:21:7f:c0:a0:b5:f5:fd:99:33:95:26:06
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): df:9e:98:9b:f3:24:09:76:dd:76:7c:7d:89:6b:bb:56:c5:c1:f2:c5
Fingerprint (sha256): 57:7a:bc:ea:2d:fc:9e:95:fd:06:a0:3f:7c:c1:8c:80:da:b1:a8:3c:d4:bf:18:9f:80:e0:75:d1:f8:a0:ac:6d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate api.smartcity.iot.in.th

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for api.smartcity.iot.in.th

Public Key Algorithm

RSA

Key Size

2048

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

api.smartcity.iot.in.th

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Certificate

The complete raw certificate details for api.smartcity.iot.in.th in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAttjjMS1qZZ7JcV2UHGBd
4+1oVsYnqnhdGlr2QVUqvlYMXQFyUlafKflmg+4e4Zw8IHlYrKPWWXGF8DgRRVct
I6e5rlv6x1VmoDvqAN2x9SYOY8swsWWDDccWFEWvcNXHu8kFThuZevUKo9thZX/v
1QOnWAN7IKXyhuj52hGjFd4BQT5PAb1d8n9ilvu6U0TK7UnHAmYejjhRTQNBhL5V
3tSsKX4Bg2qJBGOZyBi4bPfYFo5IdH3tQvVU9kUxIzyE71zDZEfM4Sg2tqEQiey2
g7Zl52eneV9nFbSUL4t1zC5gUCAv5p4o5OENMsNry6S26c2luER3nEquCVN5b9xj
PQIDAQAB
-----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 358171784745782781256248618813024007083571
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-18 18:40:47 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-17 18:40:46 +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 'api.smartcity.iot.in.th'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23082322700980148652244893399427342284263108110869777759945786952083378271617498467778591670916502688453755940266332617432671056713935934720191091838063362807642565214536676160020032275188173590632697171201414708856206373209071723152612780829133156807980826050072266686009301167432657323075687248413282977117883271045385440407235269966031355592613042873320779243139423637917579683233478758834622056636395683576313403254679255478171566131901704536662576717971320077341917618969268511394255858390993209186406888592687280219962036224204574231139827227125593261949996948158909119749051355890468923129685769086398759723837
 . . . . . . . . . . . . . . . . . . . . [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)
							9fd933d57e5d9ed8217fc0a0b5f5fd9933952606
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'api.smartcity.iot.in.th'
 . . . . . . . . . . . . . . . . [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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ef2b9d2a80000040300483046022100eca31d2512fea9a7b6c9c2e6473591c93909d6820cc40a829af74db1e8624d710221009e6c48f8ec93cdc1b73ab7b1855b00448b78e3461786190c95413a6d922916d6007700dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018ef2b9d38a000004030048304602210081388a7c9be43e47200d49442053f59960d93e412be30876cd772cbe7bf3872e022100ffd7b3d8dbda580503a51d8a0e02e6e3e8d445f5bfc6f0552c7a447382021c45
 . . . . [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)
		00626547ca4588871891cffe2b3c3531eb5ad245219cec359e69bff1429985ed346f89bff44f8d0a9b58034daa79a17cc927fc9425985c6b9cf93b896bb3ff5061e6325c8b7ae7ef7a2de122c76b03feb0ca689dde6df79a2092193cf28a13d8313be11180d3f59921edfdb3e8b8f7308c18a4f31a2b5732499db56b938d5b37247aec4fdc5e7ff5c98af9783e5447cb8cd9e8d32c1f83f7e52638b6dacb9f2e73b4faec86b3898aae252315c963c571ac2cfe5306a18227f528b2046688b274f713a4e598dfc39cda9531d0eebfed23dfac500c8c1829266016256d81fabe2e35c00a077301a448562b6d78ef16a151a67d79fdaf5d4a3c6166a9d10396a43b5a