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:c0:35:53Serial 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.orgCheck 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----- MIIGWzCCBUOgAwIBAgISA4yD7vlk9OjRDolV0KihwDVTMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMjMyMTUyMjdaFw0x OTA2MjEyMTUyMjdaMBwxGjAYBgNVBAMTEXd3dy5kb3duc3RhaXIub3JnMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAw+So4UDMcMAeTwfk5P2y7t+FT9Pc h7k/ymuBY9cWGvL7Aa8qznfMB3M32BbKdiZ3ZZpbB3CC2hl/uRPplwljixdDyNS7 L8RrZe1geb5k4aNAoCDvhf6ZJNRu9v06sQwyEmWy+XFQdfcfwL2uLMkKrGN7fKG4 siEsWN1UNJ+//Xn2gceAsQnRPRdGSlGoVdEzwGk/uVhSxJWflWZItj708tS9LJf1 SFxiLlq/jy4CuZZOat75FmFh4FskXCIy7gAMoxx3VqLgipVO6o5xob/uV2WoI5Ox oWcFDjAz0CBwFivVgREVKfTAUPwop6ddv3z03UIXC0RcheU81E6aVc6guFyFR3gk 33KuZBY2cmkz5yYAvyjAo2gu2QitEbhSoXBNIO7NSRpK1yIxGowyu4gKVHSrRywF +7qaDkIDfedMLXQAxRIwIaFWX/RATehtQigfgucwXqyT+XdlIEu6nlLkU8QAtNYb cy7BAqUtlceOcKIQleh9S6IXwIN7CejDcrkNzTTYDg7kE1C7kIbPyYUXT53YyM+V 2pcyCYUVA1WNMDlmjWeAUm2hEZa7ODTI5AgwwzZLmCpDl+9kKgIRtgqIlaIKIRh2 47uI0eG6i1oRVEDj2HmR/lZQMC7z1Pvg7tLpz1P0XDSweJTLYab8T0wDJufuDFes OPh89hZZzKt/nBUCAwEAAaOCAmcwggJjMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU 1pqAi0dbR0ARLAXc8khWrWoD1+cwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cuZG93bnN0YWly Lm9yZzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkC BAIEgfYEgfMA8QB2AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAAB aazBYFYAAAQDAEcwRQIhAJP/66H5jhocjCuSUAVSEanz4oVd7Zr9UY/RYA5GPXni AiAyqTj5F2uv+n+Q8iiwL3V9f9DP0Hu3SahEwNJ6z0s1wgB3ACk8UZZUyDlluqpQ /FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABaazBXmYAAAQDAEgwRgIhAPT/tdBzbZjO FiBLmBhV0uNr/oyn63vGzPzTG+QRTXgwAiEA8yVs0s+5pvFdqzLF70081Jr/dbI9 8df4G+yzPyHG974wDQYJKoZIhvcNAQELBQADggEBAA6kJD98/mlbyHL0m/yB+jfc yiZUIriKSR5WXoORsdzJNJ0iUo7hPQzk2HUWPimBKubtgrrkIkHss7YOviQKHtVt bTcyAZ0LBAbS02t2E7KsoekN3JxWAWr2QGyriKYUtNgM+pQsFx0SJQK5ZWfGnFgh GIqsSTTp0jGhOMkte+CRcKFPg3Xj9OFUidhAuVEhAsncijB8rX8hxvz6mjVPMKqa QrJn+M/JT7Dwpii+9EMlT1kpDrEW0pLhjlBl/PoWIaNm5yafdleIwHF1mZu3/8/6 r5i1U1aiXd1RQEMg1zFVJuDrmeFhcfvuJXfPsikSWMoeMbf/JJIoA/vKyfrADfk= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAw+So4UDMcMAeTwfk5P2y 7t+FT9Pch7k/ymuBY9cWGvL7Aa8qznfMB3M32BbKdiZ3ZZpbB3CC2hl/uRPplwlj ixdDyNS7L8RrZe1geb5k4aNAoCDvhf6ZJNRu9v06sQwyEmWy+XFQdfcfwL2uLMkK rGN7fKG4siEsWN1UNJ+//Xn2gceAsQnRPRdGSlGoVdEzwGk/uVhSxJWflWZItj70 8tS9LJf1SFxiLlq/jy4CuZZOat75FmFh4FskXCIy7gAMoxx3VqLgipVO6o5xob/u V2WoI5OxoWcFDjAz0CBwFivVgREVKfTAUPwop6ddv3z03UIXC0RcheU81E6aVc6g uFyFR3gk33KuZBY2cmkz5yYAvyjAo2gu2QitEbhSoXBNIO7NSRpK1yIxGowyu4gK VHSrRywF+7qaDkIDfedMLXQAxRIwIaFWX/RATehtQigfgucwXqyT+XdlIEu6nlLk U8QAtNYbcy7BAqUtlceOcKIQleh9S6IXwIN7CejDcrkNzTTYDg7kE1C7kIbPyYUX T53YyM+V2pcyCYUVA1WNMDlmjWeAUm2hEZa7ODTI5AgwwzZLmCpDl+9kKgIRtgqI laIKIRh247uI0eG6i1oRVEDj2HmR/lZQMC7z1Pvg7tLpz1P0XDSweJTLYab8T0wD JufuDFesOPh89hZZzKt/nBUCAwEAAQ== -----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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