downstair.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:a8:cc:f8:8c:2e:e4:ca:59:f4:74:25:66:ad:64:cb:26:64 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:a8:cc:f8:8c:2e:e4:ca:59:f4:74:25:66:ad:64:cb:26:64Serial Number (int): 318776748482012088473987724209963624244836
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 59:cd:12:1c:0f:df:65:5d:f2:17:73:f9:da:67:70:22:9f:f7:02:e0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): d9:d0:08:e6:6a:4f:de:38:7d:91:7c:e8:d8:09:24:1e:5b:cc:e0:da
Fingerprint (sha256): ff:93:b1:15:e9:34:d6:7d:fa:4e:b4:f5:79:1c:a1:3d:f2:6b:70:82:7f:94:cb:27:3a:8f:af:a6:8c:af:e8:f0
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----- MIIGUjCCBTqgAwIBAgISA6jM+Iwu5MpZ9HQlZq1kyyZkMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MTgxMDI0NDhaFw0x OTA5MTYxMDI0NDhaMBgxFjAUBgNVBAMTDWRvd25zdGFpci5vcmcwggIiMA0GCSqG SIb3DQEBAQUAA4ICDwAwggIKAoICAQCw10lOsjXryd0ul940p1hN46vd0WrFLbg6 ssFWPNECwGlWTY0HcXuEncEAl9oNbH1NStxgrcI0CBP8FnCWe+85NUKkpnReQ8kD SVwn7KhjnS/q4go0/2j7fNV9keGfShHMPlcHXwX0bejDhTJw4v/xTu5o7C61OZ1T Ok1wt70rc5nV3rH52LZ77r0Es0+2T3qxzBo7Td2uYB7cP+0nGGo1+G3d9QCda0QA UZ+PfF2e+NN9oOkF5pKK0umAqsgfhIvt7i+tz2wYOdLjcIQg3jdaNISjKVLJowkD joBwP0kWHuGEorwBlAKCSg+X50fvRxEt8YTMaoueBPXUYKwwTmZbM9ZPCufQJfhJ +eAZta8CQA3AaRRpDKmgSAHPcZSZ7RSXRCUXxARQamLB0k2XND+gsQ7uLZxDA0Cr K9byUksh+aoYr8YFmstRMITJB+Nt38N7Z1hOcqrxKqSTNoJQI1XyR+AayXg+9s5Z oc/wpxrTLhnFzHyszepqjYsQS6sRXL/H5YyjvCA4YLrnEVzPsL+4M/ojUHNfj7+K 4ejXgIw9FOn6HSak306V5pq1mqfTkc5HqVGvxPwLWAHHkLBrPENN7SVEXxCQJU1V fdSqpYtT4WnQUBVqy41y+pOZQX4MKnDT6NDOAvhotwoLv1uyMgUSSl3pQHxeBU8r xLmmFHtZpQIDAQABo4ICYjCCAl4wDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQG CCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRZzRIc D99lXfIXc/naZ3Ain/cC4DAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv86js oTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmludC14 My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0LmludC14 My5sZXRzZW5jcnlwdC5vcmcvMBgGA1UdEQQRMA+CDWRvd25zdGFpci5vcmcwTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHy APAAdgDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAWtqVRONAAAE AwBHMEUCIGjWrJwwvdC7iAOBfNRzr1a5ub/3Ak2YkF6NoAUbUzGIAiEA3nUOFnhq OcDepEldk0wPIRUrD+HnKWBKbeeT2vzDqS0AdgApPFGWVMg5ZbqqUPxYB9S3b79Y eily3KTDDPTlRUf0eAAAAWtqVROuAAAEAwBHMEUCIHIOuchRkk2q4+ea//aHJZLN 22eu3nqAzWP5U2f7IwJMAiEAqU2M5r/uguutuch+b5DBFjCjKfxOoftfj4mUT9Vj ShIwDQYJKoZIhvcNAQELBQADggEBAJPv5ykT1oMG8CxnPXBTF4Y3Vqm2CFiRuTz9 10mj9fcrBcSqbiNKGLTVKOkWUnOTA9FOYIdCAwsegJyjX907LSo50732LlXkl6El 6QNG/QsuT/1C0UOeukRubxbtnltNphYDM28bYbraESlmslVyr4zxCVIc5z76hrok 6epOUnlkGZrtaqcWmO7sLhOxSljmE5wAVobkF4WxHiiuJuAMhG+RCww+ZliqvkXA 8Tx7c3Qv0sw4D4v5ClkgOrdwAXWEyBSz9eusLPFDX6v8AbtUON/IwTY+CnaAM7wb IVhwa1TX6wf6LLT3WIGYCJpKF0YWN5QeMABmu955P+/vLcnI2oQ= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsNdJTrI168ndLpfeNKdY TeOr3dFqxS24OrLBVjzRAsBpVk2NB3F7hJ3BAJfaDWx9TUrcYK3CNAgT/BZwlnvv OTVCpKZ0XkPJA0lcJ+yoY50v6uIKNP9o+3zVfZHhn0oRzD5XB18F9G3ow4UycOL/ 8U7uaOwutTmdUzpNcLe9K3OZ1d6x+di2e+69BLNPtk96scwaO03drmAe3D/tJxhq Nfht3fUAnWtEAFGfj3xdnvjTfaDpBeaSitLpgKrIH4SL7e4vrc9sGDnS43CEIN43 WjSEoylSyaMJA46AcD9JFh7hhKK8AZQCgkoPl+dH70cRLfGEzGqLngT11GCsME5m WzPWTwrn0CX4SfngGbWvAkANwGkUaQypoEgBz3GUme0Ul0QlF8QEUGpiwdJNlzQ/ oLEO7i2cQwNAqyvW8lJLIfmqGK/GBZrLUTCEyQfjbd/De2dYTnKq8SqkkzaCUCNV 8kfgGsl4PvbOWaHP8Kca0y4Zxcx8rM3qao2LEEurEVy/x+WMo7wgOGC65xFcz7C/ uDP6I1BzX4+/iuHo14CMPRTp+h0mpN9OleaatZqn05HOR6lRr8T8C1gBx5CwazxD Te0lRF8QkCVNVX3UqqWLU+Fp0FAVasuNcvqTmUF+DCpw0+jQzgL4aLcKC79bsjIF Ekpd6UB8XgVPK8S5phR7WaUCAwEAAQ== -----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 318776748482012088473987724209963624244836 . . . . . . . . [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 2019-06-18 10:24:48 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-16 10:24:48 +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 721448182961761971445801281237555523608029788105708998724852205255679693054125283259751011892629225322576312700100346608493670533237264300346562170846217607770493172399506717732289972385234664197178110011602277547310484038731251578234510650214389102262296564851557917569195185306525328286232195360940378685200181296922130133878906423620098527967977993671866469134089942505595906974828543513081226239637906123574407907076656132121501622077480982807962016607154238868091842300729956686592229133891372635727344264341861393424439423665099279494937309306248903591330147211631545322365188108248777646089483664924564967912084748152848464189839682021737124081825414003122434045992891566797244221758999418411111457093475757698123561746698690650920523107313020594317848052464044068011158722576762348952220405200128658636185547097206177019094269050715337402747714005781186820205754421245704436598602262085678643071752687234759131868468644707028951759812668058719257744536070811678961112782760236406166670174883303098020484879127802856214180932349208473349207688889830082083723909830996943311174395323618796523121244786287960207673448819632827714790832531345740356100806603178265291157670663853342300903461669240646715010130577810262060126919077 . . . . . . . . . . . . . . . . . . . . [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) 59cd121c0fdf655df21773f9da6770229ff702e0 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f0007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b6a55138d0000040300473045022068d6ac9c30bdd0bb8803817cd473af56b9b9bff7024d98905e8da0051b533188022100de750e16786a39c0dea4495d934c0f21152b0fe1e729604a6de793dafcc3a92d007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b6a5513ae00000403004730450220720eb9c851924daae3e79afff6872592cddb67aede7a80cd63f95367fb23024c022100a94d8ce6bfee82ebadb9c87e6f90c11630a329fc4ea1fb5f8f89944fd5634a12 . . . . [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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