www.downstair.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:37:f3:92:d3:bf:81:cc:df:a8:81:b1:13:aa:bb:b2:c7:2c 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): 03:37:f3:92:d3:bf:81:cc:df:a8:81:b1:13:aa:bb:b2:c7:2cSerial Number (int): 280376152749010612726363919272551352813356
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 44:72:48:e6:78:dc:af:b0:ba:ae:16:2b:f1:86:a2:7a:32:84:40:77
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 71:2d:c5:6a:96:4e:de:1e:e3:8b:41:68:ab:58:97:42:88:a6:97:c3
Fingerprint (sha256): 26:50:77:03:06:c6:ad:fe:b2:fb:42:85:51:c9:5c:d3:98:10:57:0d:59:24:1d:2b:f0:e3:9f:d6:3c:28:a7:f1
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----- MIIGWjCCBUKgAwIBAgISAzfzktO/gczfqIGxE6q7sscsMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAxMTIyMjU5MDVaFw0y MDA0MTEyMjU5MDVaMBwxGjAYBgNVBAMTEXd3dy5kb3duc3RhaXIub3JnMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAr9ppJQqazdNDSobOYfBx9hs06vnW We+8IysPwsDLMZEcmlD+3v+RtofBp29+zB93Ojcs5KIBelQ42ZDNVSJ3XDL1rNrh krb/8EtkPvk9fWaXXVE4t/gAh/pHl2sjGiD0KlYj57loFRJwEqmTdOuqen1ScEYY wzZW7bkDYt9upLL6sdlsGIPhcykAM4aQFLj8bO99R8nmFJujfCZNqy/k1NJb0cl2 yrCRDnTrFBKW4UAZKnMO0F/3cCg3n8Q6e3qx+rkJ2SR9jq+/QRgY63vJUNFtS2ow ZdUHjdQNP5+cOEmYhFDFfS0u+jJmmbBI0RWkdQFHLo1ISkmWSd/AusIqbQl3//66 H0hQ8Q8qKG8FMbo7mO2PMNZjjMwDrqKnmt0cxAxfTrPuN2FvtgX3pHtrSGwFf40g 6REioqs/X8IXGTSgi8LjF3VXPYBKL5gGmKBDuiwtR10vPtD1jLlm30pxcshqr0Os BGjWcGqqaGMUPrZBAmu+O/wX32hjaMTQYlfHL0kVPtZryaplG7dPfxlSpJdjwYwZ RpOpjqlWgTQWhQSmf4Kci4OMu8rJW/eK8ICAs+iJPVsxqCGf/8jMOc3dL2lzRzJP p2v4BEjkk09eDXwzeqFkA/MBvK2bjoDiOWw6Enm9tsjLS4zuR2G2l+EYZHSimHMR tMJumCa3s+r71p0CAwEAAaOCAmYwggJiMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU RHJI5njcr7C6rhYr8YaiejKEQHcwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cuZG93bnN0YWly Lm9yZzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkC BAIEgfUEgfIA8AB3AG9Tdqwx8DEZ2JkApFEV/3cVHBHZAsEAKQaNsgiaN9kTAAAB b5wyYiMAAAQDAEgwRgIhAKHsQCbZcM6CKQuGXsks/kzI9d4O8AGzM4bC0W8s1AEg AiEA37JZjJF/9FcB5/RZ9qC+ZOw2RoKgTUdpuzB37EX7odwAdQAHt1wb5X1o//Gw xh0jFce65ld8V5S3au68YToaadOiHAAAAW+cMmIgAAAEAwBGMEQCIFLKsfKxtypN lKfCTMwFaS+yEqCIJV/VMMHQe4ahBnU+AiBn98XQITMZPzXKyH6k387xyMH8/Qyt qPPDHctZEFfu8jANBgkqhkiG9w0BAQsFAAOCAQEAbBWQ3JLBhT/kSTtIigyXkNZz 6ICArUzZ/zmT4/fJ8eOlQ3q2+z6qnoL74XOaNRsvLjcASsmr1vVmh3F4V2/Vvsg2 F5gTC/7sEJo6fHtLAUtxS2K04s2QPPRTwTI1yIpyJLdve57XJYMJ88bcv6FnyT0o SSTTuvedJWdT6JES8OMjZgy6tblwSFPZYAbbziAi5OM+8sHfxeAjQ/lRI+N0x8z6 lj0xeihBHy32tTRJwvA8/+iCeV1uIGM2Pk1o0JIimkcovt4A20yDv4fnW5HDBk/e bjwlvrqLbXqT1fCx2OxusT/hmfAujk0np/dbLO67tJ45tGuvPAs9EgspjhF1RA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAr9ppJQqazdNDSobOYfBx 9hs06vnWWe+8IysPwsDLMZEcmlD+3v+RtofBp29+zB93Ojcs5KIBelQ42ZDNVSJ3 XDL1rNrhkrb/8EtkPvk9fWaXXVE4t/gAh/pHl2sjGiD0KlYj57loFRJwEqmTdOuq en1ScEYYwzZW7bkDYt9upLL6sdlsGIPhcykAM4aQFLj8bO99R8nmFJujfCZNqy/k 1NJb0cl2yrCRDnTrFBKW4UAZKnMO0F/3cCg3n8Q6e3qx+rkJ2SR9jq+/QRgY63vJ UNFtS2owZdUHjdQNP5+cOEmYhFDFfS0u+jJmmbBI0RWkdQFHLo1ISkmWSd/AusIq bQl3//66H0hQ8Q8qKG8FMbo7mO2PMNZjjMwDrqKnmt0cxAxfTrPuN2FvtgX3pHtr SGwFf40g6REioqs/X8IXGTSgi8LjF3VXPYBKL5gGmKBDuiwtR10vPtD1jLlm30px cshqr0OsBGjWcGqqaGMUPrZBAmu+O/wX32hjaMTQYlfHL0kVPtZryaplG7dPfxlS pJdjwYwZRpOpjqlWgTQWhQSmf4Kci4OMu8rJW/eK8ICAs+iJPVsxqCGf/8jMOc3d L2lzRzJPp2v4BEjkk09eDXwzeqFkA/MBvK2bjoDiOWw6Enm9tsjLS4zuR2G2l+EY ZHSimHMRtMJumCa3s+r71p0CAwEAAQ== -----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 280376152749010612726363919272551352813356 . . . . . . . . [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 2020-01-12 22:59:05 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-11 22:59:05 +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 717418329107370692110521225267759724328466198615070222932667790182161798916318714138938354453139800536541269831867014290872241621897991225033886865108074104236666794946407702465814583099413870004114774717542686124627745701127615976145050468450311832032292120411500057164782068587161998280106387904889982583013934208362899120259246814055408208509206698857998294902798997262845301474772282379049482650285993915381293435343833533720639694131892617448296914296617468988947491524783012446634475071240526849013615619523524068721765134666815951728016209405691307392406304650161252146978756934479876113012799313479555792442863896525654826043619202346494889249054783295829081053108623155301996671742326947461987647827699043241571109252882989750561352596074694019331213302823156761191653250075140988499730342817591867209915836647565276570225150653856713347722465322765774501489898799658916147483992849916398779125814949986258872747058075821069929436086381677022453964483229691005853251953670176626679517099371585339433998961930596883134200449769109985002934151816777787176940369539314994941359945700363464856153236600238811905555384531049132365106176431022088023632972182307443652487529358139675469723957372797369242469924545574204114219030173 . . . . . . . . . . . . . . . . . . . . [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) 447248e678dcafb0baae162bf186a27a32844077 . . . . . . . . . . . . . . . . [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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f00077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f9c3262230000040300483046022100a1ec4026d970ce82290b865ec92cfe4cc8f5de0ef001b33386c2d16f2cd40120022100dfb2598c917ff45701e7f459f6a0be64ec364682a04d4769bb3077ec45fba1dc00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f9c3262200000040300463044022052cab1f2b1b72a4d94a7c24ccc05692fb212a088255fd530c1d07b86a106753e022067f7c5d02133193f35cac87ea4dfcef1c8c1fcfd0cada8f3c31dcb591057eef2 . . . . [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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