www.downstair.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:99:f0:a8:3e:f3:10:6d:d7:77:54:5b:dd:5e:15:c7:97:d5 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): 03:99:f0:a8:3e:f3:10:6d:d7:77:54:5b:dd:5e:15:c7:97:d5Serial Number (int): 313719948235811861978257835155412899829717
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 9e:88:35:4a:b9:66:bb:d5:89:f0:fc:0f:24:36:11:fa:9f:cb:45:56
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): ac:ae:4c:50:b1:2c:aa:69:8d:c2:b1:74:38:de:14:ac:f2:57:12:6a
Fingerprint (sha256): c2:80:67:cd:28:e9:2e:ae:1e:94:21:9f:5b:2b:ec:b6:57:9d:74:d4:c1:b6:21:56:db:34:b1:93:9f:b1:5c:f9
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----- MIIGWzCCBUOgAwIBAgISA5nwqD7zEG3Xd1Rb3V4Vx5fVMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA2MjYxMTI2NTlaFw0x OTA5MjQxMTI2NTlaMBwxGjAYBgNVBAMTEXd3dy5kb3duc3RhaXIub3JnMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqLhfHsi7xC4zaSF8GC0Pc15AdBIs mlheAKK58HirwnjaLHtABdZLCYXmIIAwh5/b24BWhb+izRmdu63+aXfVgFOa66qa JArq90BYdokhQZ+hbZfu2D3MsLpAXKH6kOyzIZlYJqSPkiThm2Rfa6E8MzFTXofB ieGYaZs7m49CJEZvQ3FgDwwPP5pahj2N/URt6L23r6AqkrhWuu7cksCMUuXEYcqa ZmLuHzlR3SvzsveGvONl6zcwe40KZPat6jbjkKUnPtoe1EnivQUEYWAtrt+OPJ61 qb2eDOwEln/sfQjIJC3aSo/wSkAYnRN3B/VdaGhJPzwCrttOH1Dxrpyg7V9gfRUb bHXi2mwi+HazAya0//QD44d1LDLx5D/d/nB4VpB5TSj/vbIXQteinUo6a+n6BBmh 4utP1kiuSily5/OKhzpABb3Fs4lZgQWoVU7099SobP0Sn9z12Al3GATGgHwxrJtM sqMzF302nRzksa5Cu+wz300fWanniUrzR8tdwRQZLeGB4cNcOZ2G4edqC6bGG6F9 DXb/qrcMw/rdvm1OFSEak/TaUvsKZCMuZXkvRQm3R4i3FzR0+h41+9L2QZ94i1hX YY1i+KwzXx9CTO45efZgm1skK29Z564umyetr/9qJUMwLpRxM0JOmn4chK2COU2u lfFWzkUEQga+fd0CAwEAAaOCAmcwggJjMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU nog1Srlmu9WJ8PwPJDYR+p/LRVYwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cuZG93bnN0YWly Lm9yZzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkC BAIEgfYEgfMA8QB2AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAAB a5PA4IAAAAQDAEcwRQIhANxb/2gZF7+00ULm+OUAvbCDdTN95gZLDCgSzgQvkeIk AiBSI7EObMbq6y8Lqqca/8e8ex4LbpZIxBN19NQRfKq9lAB3ACk8UZZUyDlluqpQ /FgH1Ldvv1h6KXLcpMMM9OVFR/R4AAABa5PA4KQAAAQDAEgwRgIhAK4Tn5ZuaeRE ciRPmjHck7R9BAlT8sqT42K34dz+SucwAiEAw/up0yA+8xjbXRGk37H37X3/QnTT BHCZ6MehoUlqwqcwDQYJKoZIhvcNAQELBQADggEBADOa2Ku799SgdJGFBGLkJvOV Jg15+0h6Nw3UBqS4LTvyw2veUnG7AZDER5SOAFR6nGnd/Quj+nw0pnwKXp8f2Tpq hcCs63zArYkRsQBwBEikdGVrUO9yXLYNdPp1OhhBtPRev7lP2Iz5jJcbK7TPrZJU 1RNmTYQINIBAmP5fO6tLmqLoaG6zKslZA9EManrIveIpAxtqBkSfqgwrr+A+Pq2c H3ZeBLcr3EvW+2TBj8oL/rF/tb5R3zq/ENM1Ksxvz0lQv7Vh5wiq5H9SuJpPeujI 9Qbdg7VAa3ni6HvkYtG5yIsFk+ys/ulv3m4F+tQBhJZlRzB5BDpowzlWkKFijlE= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqLhfHsi7xC4zaSF8GC0P c15AdBIsmlheAKK58HirwnjaLHtABdZLCYXmIIAwh5/b24BWhb+izRmdu63+aXfV gFOa66qaJArq90BYdokhQZ+hbZfu2D3MsLpAXKH6kOyzIZlYJqSPkiThm2Rfa6E8 MzFTXofBieGYaZs7m49CJEZvQ3FgDwwPP5pahj2N/URt6L23r6AqkrhWuu7cksCM UuXEYcqaZmLuHzlR3SvzsveGvONl6zcwe40KZPat6jbjkKUnPtoe1EnivQUEYWAt rt+OPJ61qb2eDOwEln/sfQjIJC3aSo/wSkAYnRN3B/VdaGhJPzwCrttOH1Dxrpyg 7V9gfRUbbHXi2mwi+HazAya0//QD44d1LDLx5D/d/nB4VpB5TSj/vbIXQteinUo6 a+n6BBmh4utP1kiuSily5/OKhzpABb3Fs4lZgQWoVU7099SobP0Sn9z12Al3GATG gHwxrJtMsqMzF302nRzksa5Cu+wz300fWanniUrzR8tdwRQZLeGB4cNcOZ2G4edq C6bGG6F9DXb/qrcMw/rdvm1OFSEak/TaUvsKZCMuZXkvRQm3R4i3FzR0+h41+9L2 QZ94i1hXYY1i+KwzXx9CTO45efZgm1skK29Z564umyetr/9qJUMwLpRxM0JOmn4c hK2COU2ulfFWzkUEQga+fd0CAwEAAQ== -----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 313719948235811861978257835155412899829717 . . . . . . . . [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 2019-06-26 11:26:59 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-24 11:26:59 +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 688318368877599764964715052464322654171539629765078780354003303237028442311076137890511433140949887449595274412063876822008666270942479978008930215282940763743900969744113165584007330238132616247627304427131020810486804110065817022974079347301740945083123671101208445943095930404066818876582781854157941844737161662732487388032470442247275401202961553590265342746054689936426065367268898539199798401608535461172107066281662342460756179606648481477834573875735678276904663207790039881429726949730161373538389703823993828535252521303401839058229509548334427696784011965573253395457763646960320299857371354520645661285811976023783091013660809293493132136236135039031664770980555456886007278176420134591710079025268399987463441184690239231937466366307122499603082549349737696600697701003984636198770792958147215864029848035402101571980111427810252960813485051837349332893096011542635953753755091508485052080434448523054100745144020382162889146321122666658995205657108778585091472583840426196985473961282278928405547604947874966834244676020103587638099040536946974393481219184257487325662338221595790541048738791151430873776113018255489385445094729475399564776417089496375156044194443390551974954173978942762245279112883309918325751840221 . . . . . . . . . . . . . . . . . . . . [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) 9e88354ab966bbd589f0fc0f243611fa9fcb4556 . . . . . . . . . . . . . . . . [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) 00f1007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b93c0e0800000040300473045022100dc5bff681917bfb4d142e6f8e500bdb08375337de6064b0c2812ce042f91e22402205223b10e6cc6eaeb2f0baaa71affc7bc7b1e0b6e9648c41375f4d4117caabd94007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b93c0e0a40000040300483046022100ae139f966e69e44472244f9a31dc93b47d040953f2ca93e362b7e1dcfe4ae730022100c3fba9d3203ef318db5d11a4dfb1f7ed7dff4274d3047099e8c7a1a1496ac2a7 . . . . [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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