hydrogendetection.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a6:8b:63:1c:0a:df:e6:06:ec:1f:32:07:64:f9:08:19:f1 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:
  • 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=hydrogendetection.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a6:8b:63:1c:0a:df:e6:06:ec:1f:32:07:64:f9:08:19:f1
Serial Number (int): 318009008001728666899268701969188947237361
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5e:22:b8:12:4b:0e:70:e9:76:86:48:0f:b8:ba:65:d1:8b:06:25:93
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): dd:91:5d:f7:79:e6:f9:40:9b:7f:e2:89:e2:24:27:ef:dd:85:5f:e5
Fingerprint (sha256): 17:09:ad:79:ec:8e:32:03:9b:bc:09:3b:da:76:61:0e:42:d9:55:76:5b:ba:d1:c6:09:ac:73:c8:b2:4b:35:93

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

Revocation information

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

Check the revocation status for certificate hydrogendetection.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for hydrogendetection.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

hydrogendetection.com

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Certificate

The complete raw certificate details for hydrogendetection.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 318009008001728666899268701969188947237361
 . . . . . . . . [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 2024-01-18 18:41:16 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-17 18:41:15 +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 'hydrogendetection.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 841674575714988342269631729985690038915499088785875679369517936498327552631821834733592513560514388174598940618775658533334367772079418573108581626429672390211605864250333081118372084200505407665208381881827613450726205223039239711022723165210092547451981103085824840795748591005682405959594361010491471212271893157252729738227629300640806739290837196237669217610940695715353104972611394403406414672476778510168702006534917298703916781202898910911762031266593114528717105950617478838882943346943111473298667300724458471683075997094452496392648096465179756001483636664279410029114234733981316962801372196696993767680989372654337396092546813066834854853078481822424546660233128444590404743911453999640160711733615568582190512727486689876151489950932277223646894802895402654355443693193762853323661561266000838615634488710053935480312283556513535392153263559891670415846190488337972082860948573505905112697159409856304348913804389997021065175512447869998732124191194252920166179800187278999226451839914833746612075026515019379658902242685383741080615912648790183768872863073315111294694483504277400485183857430013112149576246281887297282296480529503604047197668893797349324475167683253644119926061999359318570370693585871620572299343321
 . . . . . . . . . . . . . . . . . . . . [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)
							5e22b8124b0e70e97686480fb8ba65d18b062593
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'hydrogendetection.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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d1e178d440000040300473045022100a708719bbe9ccb2976c97d4133b1595602df9184ff91b35e5082622e4a77238c02200d63e4fe8baf2f93f5e2f030f9bf91cdf74be12b2c141df575c5739b7340514f007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d1e178d6b0000040300483046022100f18b3cc68502d552518c9c293d0344a6fd82d41a492c32c9f4671d782bc36609022100b6eae5063d874e89e891238937c92af791d9034270b03b289871d053ece61f9d
 . . . . [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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