www.downstair.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8c:83:ee:f9:64:f4:e8:d1:0e:89:55:d0:a8:a1:c0:35:53 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.downstair.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8c:83:ee:f9:64:f4:e8:d1:0e:89:55:d0:a8:a1:c0:35:53
Serial Number (int): 309151758856630883454191806025992645915987
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d6:9a:80:8b:47:5b:47:40:11:2c:05:dc:f2:48:56:ad:6a:03:d7:e7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0e:ac:8e:8a:b7:2f:f4:4f:f5:69:0a:a5:8c:94:58:31:ee:14:18:3f
Fingerprint (sha256): f4:a6:24:ec:10:8a:0f:a1:ad:0d:fc:e8:63:11:06:77:23:2f:12:a7:82:e9:7f:61:b2:97:fc:08:b7:39:33:d8

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.downstair.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.downstair.org

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

www.downstair.org

Other certificates including the domain name downstair.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.downstair.org 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 309151758856630883454191806025992645915987
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-03-23 21:52:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-21 21:52:27 +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 'www.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 1.2.840.113549.1.1.1 (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 799174539107797374928102944849845680763568818729228488555626214696344628200194987833171948699937263300769824745069819902328491516883079295143119599373349922183144640313664685169221645533760220017036122313879584036422317404949961063468188737486853651219593511832920171726386559631735272693824230706776528784252052764975009076232357163398221140018853049596181010838594812197235241261189895705864839561271396500306964677162361515883658962037963982259760927309827180855751441115141349374270213859596689456331259913626386624586317357466957806860700182219081939016118224630104233609954397296660894922080753046909225025804270734341770193553330404028092341987343404481355348203478946213025889633567979008111057056658622520976939496167448099019233485371524746346762566223174920516889416196870201491308751149898753171807042321140862421836811632910387385096126619899080472491572551299628205047161343175054930296551523539339572597052396236478833735850592911962347519513043896397050352862352504896446464934713512276219591543072717629048226124741809727759409012086763726636045173387277835144282957174734000532586023491606461247594043263985700789964170578548182483275398163187983888606644538930247902300456337566508112810972852032891831084621208597
 . . . . . . . . . . . . . . . . . . . . [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)
							d69a808b475b4740112c05dcf24856ad6a03d7e7
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc5600000169acc16056000004030047304502210093ffeba1f98e1a1c8c2b9250055211a9f3e2855ded9afd518fd1600e463d79e2022032a938f9176baffa7f90f228b02f757d7fd0cfd07bb749a844c0d27acf4b35c2007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000169acc15e660000040300483046022100f4ffb5d0736d98ce16204b981855d2e36bfe8ca7eb7bc6ccfcd31be4114d7830022100f3256cd2cfb9a6f15dab32c5ef4d3cd49aff75b23df1d7f81becb33f21c6f7be
 . . . . [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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