h2oaudio.com

Issued by R3

About this certificate

This digital certificate with serial number 03:d9:54:90:3d:48:a1:27:2d:e2:46:89:5c:f5:56:13:fa:3b 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=h2oaudio.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d9:54:90:3d:48:a1:27:2d:e2:46:89:5c:f5:56:13:fa:3b
Serial Number (int): 335290535502499236435074084784602279574075
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 3b:1f:08:b4:dc:f4:10:df:c0:b7:a6:31:fe:ba:24:a3:2d:42:e0:6d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c8:e9:a8:fc:ea:0d:79:99:2c:cf:79:4e:16:31:fb:5d:82:e3:04:e1
Fingerprint (sha256): 99:03:75:c8:e7:4e:54:97:97:83:5e:17:65:65:e6:4f:11:79:b5:72:ad:52:f3:14:50:88:8d:01:14:ab:c2:53

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

Revocation information

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

Check the revocation status for certificate h2oaudio.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for h2oaudio.com

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

h2oaudio.com

Other certificates including the domain name h2oaudio.com

(limited to 100 certificates)
www.h2oaudio.com
www.h2oaudio.com
h2oaudio.com
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*.h2oaudio.com
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www.h2oaudio.com
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h2oaudio.com
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h2oaudio.com
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www.h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com
www.h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com
h2oaudio.com
h2oaudio.com
h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com
www.h2oaudio.com
h2oaudio.com
*.h2oaudio.com
h2oaudio.com
h2oaudio.com
www.h2oaudio.com
www.h2oaudio.com
h2oaudio.com
h2oaudio.com
h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com
www.h2oaudio.com
www.h2oaudio.com
h2oaudio.com
h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com
h2oaudio.com
www.h2oaudio.com

Certificate

The complete raw certificate details for h2oaudio.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr3q7GRDz0w7R+hDkqZYn
c/qad7GFGKqCZcV87wkcxv1FCit87+CXe9fx+mCmP5dpxUDlIPXQf7Wo1wmsGtVM
hX8EwjPDZzdO3RYqI0CLB609eMm7l7hUOz3hw0eroHNG+LOWSS3nsAsq0Fia1LkK
L74RSBI190cjrYWciKnnuFs6HecFmplyJdk9g8SMBkUDrwLeOpeY58ptQ+F1fjVC
CPHe4gv0cgKief2QYZ3ObwSiKUyNoiUm6BtRa6a4MS8wX9dFWxdAcVytqu5n0VLy
eD7I7wPPMla+EUmffmrwdB9TCkF+TCamMZr47fU6g7komkxZ84s9M/gA9ErT6LGb
KwIDAQAB
-----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 335290535502499236435074084784602279574075
 . . . . . . . . [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 2024-01-22 05:03:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-21 05:03:24 +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 'h2oaudio.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22152224207444392715305765252496262677806374450778971818314194264861416196714980165082896893992883484891402587063989858858112251424666726083008250707310528694897871610856538811128600214528224521963883082509144389986891124249111951921347938231679545863529235238855790629600222782170133514328699335230357553558634302889592594920512340698457673542770609544662565650786937928962685678489132635936643919907524706658779492238212094571138481684415826647472986582393948256157336422589075462326857967972752584676676431890373910387683905274806374557856902101618578151426634297392959694916832479533704498663096469165816895609643
 . . . . . . . . . . . . . . . . . . . . [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)
							3b1f08b4dcf410dfc0b7a631feba24a32d42e06d
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'h2oaudio.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d2fc43a6e000004030046304402203488ee71b49eca10a0926ca69b5efa5af36fdd14ba9283e8ae43d23bd841566f022051d0f35fd78401409d3022e16b83cf23c860de4c7829eed158971c1affe2b183007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d2fc43a45000004030047304502201d3557315de3abbb9af665e2e6ba8a55add55f498e344b07e79ca216081a56d3022100b6410546d8c6b73dad6707f41c4f9274532b2a38c2e311e3526f6a66e073d32c
 . . . . [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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