www.downstair.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:62:6b:d0:94:fd:de:d9:d0:df:e5:00:08:2e:fb:1c:b9:c3 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): 03:62:6b:d0:94:fd:de:d9:d0:df:e5:00:08:2e:fb:1c:b9:c3Serial Number (int): 294827840168738586053851500433101362608579
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 3a:ea:59:71:b5:d1:fb:73:ea:7a:57:cf:e8:d3:e2:cd:01:cc:77:db
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): f5:2a:7b:43:d2:a8:c6:34:57:af:bf:54:7e:44:ed:0a:20:66:18:81
Fingerprint (sha256): ca:90:88:2a:a1:bf:e3:9d:7e:b7:5d:5f:45:cd:2b:d0:7f:a4:5d:cf:ed:b3:e8:5a:5e:a2:6e:a2:b3:10:85:33
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----- MIIGWTCCBUGgAwIBAgISA2Jr0JT93tnQ3+UACC77HLnDMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA4MjkwNzI1NTBaFw0x OTExMjcwNzI1NTBaMBwxGjAYBgNVBAMTEXd3dy5kb3duc3RhaXIub3JnMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqMqXamlDXuJdXQb4T3Now6dwT49o G2/KWXyziuIxWdqovFsvv3SdVccfsMh/JogjfINKrmxyskY/KUWSDddXQVtD+ZiI a3huRkkfOzHkJojBIRRfpMPW8ZtqDyYYox4inVneBrwiuOysrxrbM8WxARzxuMN/ SddN8gD41i8b79RUtTPUdaAZMvGw4HzxzZmCgKzStQX/aL2ab3TVv8XXOquxKrEy G8P99SbCAJdjtZO7Br/nu9cIb4TpQkDu4sHzSGFVJ5UAsX47CDytq7yL4F6CAmA+ kx/Zg4GwWyMP7OIRjkAlPeXuenwVhGvYIusgfpoYgUJ9WbyqbovulvIkDYaarNxv 25u00M0F+pZ+2QTDbE7HOWX2mFMa9QfA1gSLepKIZzK7HFaikEzl9ODSAKgrMWhD 3CHKpy+x/R5smO9GXzQW/SSfiDpDM8uO6DX6gOmolWQJnOm4ZL7GWxka+fA+HW6w ODbr4jVYkSG25LPt3ZYbxdrB8KMOSy3F5y5P3tXTSAZXemf2brjH9VbaKrJe+Tcv 9ogNaDhSNQ/IPfoYHuvJYl5JbkuAkRZsTjhVYlO+SF/IY7oSFekj8e7BLIKP7E9d RYf/GTrTJbrMBlugIBPfcZ8rUpTaCXrUUWbasVLJCmkBFAVqhnP/dizDKo+10mJj lmtYtOuSrX+Ug9cCAwEAAaOCAmUwggJhMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU OupZcbXR+3PqelfP6NPizQHMd9swHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cuZG93bnN0YWly Lm9yZzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkC BAIEgfQEgfEA7wB2AHR+2oMxrTMQkSGcziVPQnDCv/1eQiAIxjc1eeYQe8xWAAAB bNx7GaEAAAQDAEcwRQIgMBeV1yDTjClzOuEZs0jyFpiyHl+XmPv5OdYReSBsZLoC IQD2obvPrFxtjq7gprlsenYLZyiELFDFf1+1x2MKRi73dgB1AGPy283oO8wszwty hCdXazOkjWF3j711pjixx2hUS9iNAAABbNx7G4QAAAQDAEYwRAIgHNkGEuaBbhC/ yxt0xghCrZbL641EsGHxnjW0nxMM4TQCIAXg0diQ/MMxrRsll8pEg25XNIO4GJ4O JzX2bvW50UByMA0GCSqGSIb3DQEBCwUAA4IBAQALpIm8MHA9tqNEEfUpMqlsanl9 5vz49apdP+VZDyCTGGCWHMQ4sYUFpjiCrXe3PofUrXJBbx8I9DHnr4uDE5t8eDWC 02plPdTvYYXwQedS9+jcEG4h2UiSWcSs0lMipyTrJScuZMj3Txv/RL9whO62iCQK ONfiiWIEvFVBUtiQVsVdieAPpgr93erIHj/BNE8jnS33Vrv/o94FPgYJnTEvTwRB XdOmL2SIY8VwFW+HOggulU9e6YA0UX5bisnMTfijtM04i43jlIW6+L1edMNIXDCL ILgxSYtPgVutlbAR4KQoDlNoWPSD+jWSzXt7hqfsrJJ7EXQvG5/iwjCo8A/M -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAqMqXamlDXuJdXQb4T3No w6dwT49oG2/KWXyziuIxWdqovFsvv3SdVccfsMh/JogjfINKrmxyskY/KUWSDddX QVtD+ZiIa3huRkkfOzHkJojBIRRfpMPW8ZtqDyYYox4inVneBrwiuOysrxrbM8Wx ARzxuMN/SddN8gD41i8b79RUtTPUdaAZMvGw4HzxzZmCgKzStQX/aL2ab3TVv8XX OquxKrEyG8P99SbCAJdjtZO7Br/nu9cIb4TpQkDu4sHzSGFVJ5UAsX47CDytq7yL 4F6CAmA+kx/Zg4GwWyMP7OIRjkAlPeXuenwVhGvYIusgfpoYgUJ9WbyqbovulvIk DYaarNxv25u00M0F+pZ+2QTDbE7HOWX2mFMa9QfA1gSLepKIZzK7HFaikEzl9ODS AKgrMWhD3CHKpy+x/R5smO9GXzQW/SSfiDpDM8uO6DX6gOmolWQJnOm4ZL7GWxka +fA+HW6wODbr4jVYkSG25LPt3ZYbxdrB8KMOSy3F5y5P3tXTSAZXemf2brjH9Vba KrJe+Tcv9ogNaDhSNQ/IPfoYHuvJYl5JbkuAkRZsTjhVYlO+SF/IY7oSFekj8e7B LIKP7E9dRYf/GTrTJbrMBlugIBPfcZ8rUpTaCXrUUWbasVLJCmkBFAVqhnP/dizD Ko+10mJjlmtYtOuSrX+Ug9cCAwEAAQ== -----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 294827840168738586053851500433101362608579 . . . . . . . . [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 2019-08-29 07:25:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-27 07:25:50 +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 688608723265028228291794306021772181330896993325588989765764147366574795986519030440124945007175498018236155159686673729834772481304272310329994184543490987634699065031630360394601104061547722673623213303578371164392001533625092232472239380230628522854421994659390448064512252281549971428118207547652105828804967426161038869983091286641390392580081011042643198580014758767513051041496165691109999800182297331377743926533028575893515350223760401173725942963812060782631942958685211132262688779465630046840165291529386706329872187430344410480542571660347484385014372869774317289238811762872506171514767234135173952932077813338718777859164938519021677885022516714928523483828300595613242462038030882743627526662191143132936938175516778762480998725654240596944624937560127054797415766881402067908901580998972333682030284854481582922668690505636182856694003377270282210146221642843882370040834155402723216904219852599217135915697128252618575963964217481475078096223540406161652599263052603629852494237348996186094844253520968725220212021249875858075214239523635374276351685043242375368787804360114367976817356616377033023456717024195080426789001124600950032536583664773221864110585507510838086855039417678109829999830656321473513042248663 . . . . . . . . . . . . . . . . . . . . [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) 3aea5971b5d1fb73ea7a57cfe8d3e2cd01cc77db . . . . . . . . . . . . . . . . [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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016cdc7b19a100000403004730450220301795d720d38c29733ae119b348f21698b21e5f9798fbf939d61179206c64ba022100f6a1bbcfac5c6d8eaee0a6b96c7a760b6728842c50c57f5fb5c7630a462ef77600750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016cdc7b1b84000004030046304402201cd90612e6816e10bfcb1b74c60842ad96cbeb8d44b061f19e35b49f130ce134022005e0d1d890fcc331ad1b2597ca44836e573483b8189e0e2735f66ef5b9d14072 . . . . [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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