iot.flave.world

Issued by R3

About this certificate

This digital certificate with serial number 04:fe:00:ff:a6:0f:8d:7c:0b:b6:dc:b4:57:9c:2d:11:f2:76 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=iot.flave.world

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fe:00:ff:a6:0f:8d:7c:0b:b6:dc:b4:57:9c:2d:11:f2:76
Serial Number (int): 434882192328770486679634963047712126268022
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 0d:5b:49:94:f0:d8:6d:5f:83:3e:b8:9f:ac:a6:74:4a:16:eb:23:2a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c0:cf:47:55:83:fb:53:ee:dd:2b:53:43:a4:a1:b7:af:f8:2a:c2:bd
Fingerprint (sha256): 04:2b:56:e1:7e:19:ef:73:32:d5:c6:62:a0:46:3e:20:8f:49:4b:7f:16:96:aa:9f:d3:86:a0:1a:9e:c9:7d:99

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

Revocation information

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

Check the revocation status for certificate iot.flave.world

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for iot.flave.world

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

iot.a1.net
iot.flave.world

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Certificate

The complete raw certificate details for iot.flave.world in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzGUenmFWcQOtl/K4x98L
2Gi1hZhGcl7pUVzTg50qE5aB2WOSCTlDyR8As2Gv0YlFTV624EcZP+afQE258zGs
W1YxwRM2zZ92AvLKlANf69cnzZRjVM4mJD/dL28u86+EGdqWANcm5iZQwGmXS+Sp
TwfupdXoy4mNdAFErj03O43FssIt9q8xgy/WIAdhxDr6U/oYQNmiEI1+oDTggDQt
PWCkIeo+05I+yhxNL1ntKErFcPd0F2FzJpUe6ThiwcxGVp1UDLOXvEMVXK9yQTSi
8WwMs1cIR/4b6QX3oke+CRPkDftg1cbKDuB6XrFZAMN8PU89GhGOUtF4U34Mh876
7wIDAQAB
-----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 434882192328770486679634963047712126268022
 . . . . . . . . [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 2021-10-27 11:43:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-01-25 11:43:36 +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 'iot.flave.world'
 . . . . . . . . [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 25802478148356587828548735619068199214316907942089676679750944728168317102657601400429918653232427961780528411027993277243405579708547322806098152335818312178923536494891646752474021437949716792334643884433018772107470532348952757546106591721612150968250430725819951790031660620555206146889143503903394083948648618931837553089246763583613254565872843324292451751552410125191677144345526999766932960322040171369826337244420471180729621411122884926750086814194925131330418421750929146796917546794433971608428207797352023828033605265003269942174075895298981552411138625756047122476336184574289678975498584685581219855087
 . . . . . . . . . . . . . . . . . . . . [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)
							0d5b4994f0d86d5f833eb89faca6744a16eb232a
 . . . . . . . . . . . . . . . . [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 (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iot.a1.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iot.flave.world'
 . . . . . . . . . . . . . . . . [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)
							00f000760046a555eb75fa912030b5a28969f4f37d112c4174befd49b885abf2fc70fe6d470000017cc1c702d60000040300473045022100f6c9acf8206567102c3de91c32264013c94b0538692dc715925a0b6392fa696202201091cc5f8c39e1a60803b03b1b166f25daac3707e6d444010e9ebd1e1af4527c00760041c8cab1df22464a10c6a13a0942875e4e318b1b03ebeb4bc768f090629606f60000017cc1c704b10000040300473045022044dce57a5962c99daf97d20498b34412e80b87f4f35826ad7c20309652243847022100b1804acb9a6384fd780f1c5b3e241207a8578de7466de0db67396c06eebcfee4
 . . . . [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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