downstair.org

Issued by R3

About this certificate

This digital certificate with serial number 04:f3:c5:e3:b4:38:89:fc:f3:86:8b:64:90:13:41:c8:7b:2d 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=downstair.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f3:c5:e3:b4:38:89:fc:f3:86:8b:64:90:13:41:c8:7b:2d
Serial Number (int): 431400799110698760044697863760985490750253
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6b:0f:2e:54:e9:b1:85:95:f9:3b:f0:88:1b:01:e7:de:ac:df:ae:1f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): fb:96:cf:bf:db:7b:2a:c4:93:94:93:3b:8c:19:14:15:5d:7b:e1:43
Fingerprint (sha256): 0d:dc:4a:f5:e4:83:77:dd:4b:7f:37:b7:16:6c:3b:6c:cf:c2:14:63:fe:7e:f1:7d:2c:a5:60:1a:a4:25:76:fd

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

Revocation information

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

Check the revocation status for certificate downstair.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for downstair.org

Public Key Algorithm

ECDSA

Key Size

384

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

downstair.org

Other certificates including the domain name downstair.org

(limited to 100 certificates)
downstair.org
downstair.org
downstair.org
downstair.org
www.downstair.org
www.downstair.org
www.downstair.org
nomiliberi.com
downstair.org
www.risolto.com
downstair.org
downstair.org
www.downstair.org
www.downstair.org
downstair.org
www.downstair.org
downstair.org
downstair.org

Certificate

The complete raw certificate details for downstair.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEJNNr//qPxxwZE8/Jdn07n5ko544vQWWl
kkOPI6ot7ON+rEIrChayqBQ/3UYQBb3tJul3DH20yn9gu6odQGaZwdbtZ2Us9/WS
7WY6EZrItAu0FxAFHuKnlIWNQhzpsO1L
-----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 431400799110698760044697863760985490750253
 . . . . . . . . [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 2024-02-05 22:37:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-05 22:37:17 +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 'downstair.org'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.132.0.34 (secp384r1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				000424d36bfffa8fc71c1913cfc9767d3b9f9928e78e2f4165a592438f23aa2dece37eac422b0a16b2a8143fdd461005bded26e9770c7db4ca7f60bbaa1d406699c1d6ed67652cf7f592ed663a119ac8b40bb41710051ee2a794858d421ce9b0ed4b
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							6b0f2e54e9b18595f93bf0881b01e7deacdfae1f
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'downstair.org'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d7ba21f50000004030047304502210090bf4383883f0d651c97d9023ad593f9e69d8599d46b6650b9901c3f7e3f560402203d2ae5e87e8a2894ce3099b17f690d68a5d0d25d8ee547fd14f924c7dd49b6c9007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d7ba21f440000040300473045022100f1c2e3df939b2b883a2a10226ba599fa38987b62a9bbfc734e7e3996ad72676402201d2c70057bc91c4cec833e722ea4e684a2adb752357d556074636533604716e1
 . . . . [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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