downstair.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:99:40:2b:62:5f:bd:fd:b3:08:45:d7:fb:b5:bb:e8:d8:a7 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=downstair.org
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:99:40:2b:62:5f:bd:fd:b3:08:45:d7:fb:b5:bb:e8:d8:a7Serial Number (int): 313485355789941092430485501399368846596263
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 93:45:4a:ed:b5:8d:53:bb:61:ed:1a:b1:e3:60:21:2c:64:39:89:8f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): fa:fc:5e:74:08:ff:ba:9a:cb:1a:0a:f9:09:ae:ef:e7:d8:53:7d:af
Fingerprint (sha256): 05:72:28:01:65:07:f3:10:bb:de:05:f3:ed:e3:5a:5a:c9:d1:48:46:99:2f:0b:29:c0:2a:45:e3:3e:28:3c:f8
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck 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
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
downstair.org
Other certificates including the domain name downstair.org
(limited to 100 certificates)
Certificate
The complete raw certificate details for downstair.org in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGUTCCBTmgAwIBAgISA5lAK2Jfvf2zCEXX+7W76NinMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAzMjIyMjA2MjZaFw0x OTA2MjAyMjA2MjZaMBgxFjAUBgNVBAMTDWRvd25zdGFpci5vcmcwggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQC1a0lC5oXtROmWTqk/zNDSS9OoPi2M+dAr tzFe3NNqTCWv8YUpaIknZNIyIX/punm1GVF3V8760duYu6ezDjAwxBKMXFJ+WXUq Ub49uAlwc4LkW3FoMmAS73SoZmNkfMrLweIKx1rHNCxvQZemxUQknEX0Y06AiKLV JtexCsYn7juVHZRCjuq7hpQYwDD3k6Ilv5yMNXYKbJ0+0ZAykIvHEl5Q8MHF2HlK W10ecECgidG3b7Sd7BQ+2LHILBHgkKfd97bcxDjL2XJZJWbMl+B5wAdbKn4x7zgX XBtbKoORdRzi5OaLqmcy/1+0nxrMSD5BAE0ZxloW/qcKpn4jm4EaHUL6FRscGQoY opfb77bU+Z7qBYyuFhFetayVwdekoieIZ4wNDBTX/lTgLc9zZzcjk9YNlw6SMQoH ZkHwrkRZy70kYrns1Oezzpr/2DNQY7yLGZ38E5KuIdcVB5gLISHuzx1HmOEJdULP MTa1KY43kWCs1k7lJDHqX6I9z/2H/UNlbaUQlxz7Ooi97MYnRctxNJ1SrJUA6WoI hY7Km1B+KDofMz5rwRBzh6quVBKsvl99iWyegbgES1EtJ+4OJdWTrPPiw/nyYgKP 8vOKauQF4/9+tUbX08+pK/kDgmDH6M8JWdKTGEUXarG87fX3KhvNJIIWygkOAfW2 4SEO6EGTAwIDAQABo4ICYTCCAl0wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBSTRUrt tY1Tu2HtGrHjYCEsZDmJjzAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDWRvd25zdGFpci5vcmcwTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdQDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWmnp9HXAAAE AwBGMEQCIHfbQxnLBrcp8Ui/79OgcT4UnZwEskSPzivL0qVZom+gAiBZ9bCqb8W7 e1WkUYaUTaxUF18y1XzHbS0x1sY4WmAFlAB2AGPy283oO8wszwtyhCdXazOkjWF3 j711pjixx2hUS9iNAAABaaen0dkAAAQDAEcwRQIgUMj6YF11kHiG5OJCKQvg9U31 8FzZ/Opboba83wodMXcCIQDItNguzxNMUQuPK9hBwJKn+BGIDDQyztTl9muBtAF2 +TANBgkqhkiG9w0BAQsFAAOCAQEAdsakNjd9ZWeTwrB8p+euTIsMq6IYH+KTpODW Jz8pfLWgtcvr+4OLlakmjdq74KKLPVAEAp6CSMzYcWyuIZLS4PBUH4jId8Y5vYX4 O/D4L+l7r9mWXO+eEkNsXiXQDFn+ZqFRSNcZ2LqX+P9tObGk8n5fqwUkrHzSWjhP sxC8t4SkEvBX56wvAjmR4wqbSRLUUGi2fZpdl1PwnBqfLhCRVpYpfTSjaACE7dJm qA/2mrhruByUjLJj95IUCYM9G03D5JhavgH/WqRggl/UrsETtLpgQG+elR/KZDUo 5H2t1mmGS+OtlMaIXb5i50oPBPmPzKLM7wITRy1bm+Eb2GKyWw== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAtWtJQuaF7UTplk6pP8zQ 0kvTqD4tjPnQK7cxXtzTakwlr/GFKWiJJ2TSMiF/6bp5tRlRd1fO+tHbmLunsw4w MMQSjFxSfll1KlG+PbgJcHOC5FtxaDJgEu90qGZjZHzKy8HiCsdaxzQsb0GXpsVE JJxF9GNOgIii1SbXsQrGJ+47lR2UQo7qu4aUGMAw95OiJb+cjDV2CmydPtGQMpCL xxJeUPDBxdh5SltdHnBAoInRt2+0newUPtixyCwR4JCn3fe23MQ4y9lyWSVmzJfg ecAHWyp+Me84F1wbWyqDkXUc4uTmi6pnMv9ftJ8azEg+QQBNGcZaFv6nCqZ+I5uB Gh1C+hUbHBkKGKKX2++21Pme6gWMrhYRXrWslcHXpKIniGeMDQwU1/5U4C3Pc2c3 I5PWDZcOkjEKB2ZB8K5EWcu9JGK57NTns86a/9gzUGO8ixmd/BOSriHXFQeYCyEh 7s8dR5jhCXVCzzE2tSmON5FgrNZO5SQx6l+iPc/9h/1DZW2lEJcc+zqIvezGJ0XL cTSdUqyVAOlqCIWOyptQfig6HzM+a8EQc4eqrlQSrL5ffYlsnoG4BEtRLSfuDiXV k6zz4sP58mICj/LzimrkBeP/frVG19PPqSv5A4Jgx+jPCVnSkxhFF2qxvO319yob zSSCFsoJDgH1tuEhDuhBkwMCAwEAAQ== -----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 313485355789941092430485501399368846596263 . . . . . . . . [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 2019-03-22 22:06:26 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-20 22:06:26 +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 1.2.840.113549.1.1.1 (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 740125300592367684114150130948744696034993719562952122406861738837723197756257138755756127468359867701265716600164168258851511602456643766400434945239767317120057233386799564599792415226621059312371429800089545866664304747916672995163616532339862899455135073736565656636052947219610880128484443796163425109938714677493357055751343362752932593207366467509798874443195086595208431408386570784495427752193215222777590259200803485163802168762770325775515911959912869815703649651295279735631863163809895849577288355851677038837173150499626497852179340677894217603311860305535360819416679400768069537285933872279115075351934580752957766964438554770792874834019834711765862095302418647946779013598999615109959411416913247147967848121603865614063708761168993952942322297758812291195773572019555000087343879384767046660043691341431073227918365302521578589025019265858315338891035400151139086590135178462291100541616299032813566131962881910075219090542980334281227965517412541555730631065810651671355651451094755583986708513892627704501222468618455602316466156386198326603521512245200685866784235798099222133910647288052812304982392356577719445288625347404688314951684948415127544938355068892025594132202435261543058261041039233814095259079427 . . . . . . . . . . . . . . . . . . . . [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) 93454aedb58d53bb61ed1ab1e360212c6439898f . . . . . . . . . . . . . . . . [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 (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 (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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169a7a7d1d70000040300463044022077db4319cb06b729f148bfefd3a0713e149d9c04b2448fce2bcbd2a559a26fa0022059f5b0aa6fc5bb7b55a45186944dac54175f32d57cc76d2d31d6c6385a60059400760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169a7a7d1d90000040300473045022050c8fa605d75907886e4e242290be0f54df5f05cd9fcea5ba1b6bcdf0a1d3177022100c8b4d82ecf134c510b8f2bd841c092a7f811880c3432ced4e5f66b81b40176f9 . . . . [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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