www.downstair.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:1b:0d:82:60:bc:3a:b4:0f:96:a7:cb:1d:97:e4:9b:dd:e1 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): 03:1b:0d:82:60:bc:3a:b4:0f:96:a7:cb:1d:97:e4:9b:dd:e1Serial Number (int): 270542438626707276201396095822585971596769
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 35:7d:32:03:6a:18:f6:6d:34:c7:88:db:9e:f6:d8:f0:74:af:23:a6
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 39:66:52:62:44:25:6f:d9:98:27:97:3b:3a:cd:6c:43:f4:77:c9:ac
Fingerprint (sha256): 3e:68:82:2f:81:ac:cd:55:8f:c5:bb:c5:26:6e:dc:37:c9:d1:d8:b6:f8:c6:bc:ec:1b:25:07:b7:6b:e3:c4:87
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----- MIIGWDCCBUCgAwIBAgISAxsNgmC8OrQPlqfLHZfkm93hMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTExMTAwMDQyNDFaFw0y MDAyMDgwMDQyNDFaMBwxGjAYBgNVBAMTEXd3dy5kb3duc3RhaXIub3JnMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsheG86DBKrTalfSSUtMvC2Rv8NKc 3JAHxnrxfdurrHY8AjS5QDXYMFKizV/xK2Mf15Zi2vrdA/OchGSJ4SMynWaTqyHw futbgd8Xsy1PPDFHzwh3sYTfuLOkAzUWbfGPfp84aboMHmspaZoyliFIhoaRqkUc Ga6o9XG72XNP1RTcleVhLRhqc8dVMe06WIaCl1P4LL1dHE/c/G6QHdGfCnjVy4uM M0LeUV2x7MpttVDnLnLRIj9AWqsYMgjQnjbgG4PmqueiMTLpNnn4dqAUH231mrYS 715M0vln3/oFLV4SAujlvZx6K6Y7wjh5fth5G3HWNRfuLhdRo1/off5exLuEc5G/ YCNnFC8kV2h+wsxxkKF8vm2wAPrVcr5UrvHqQo7KJ7bt40hdA+HsTZ83aRHVpwU5 EALIBgcuVYLSENxwWOIK/ql4qWATexqE/69cZuxRU3UcJkMxfOYSYR1y6VXhFh54 NY4XzKQnYW01sJ0QdsIL8ho5DkAKRefwKwE4B3hQJpp1NqAUo8ihu6D/AMjuIU5B FZlo2ZTJ0Of4xbNiGi545yV0uX2V0AtgEkn3isgNeEnT8N++Uv54G7hBKDcrIpu0 Ki53Bt3LntJqsEkLp6bYuSFQnPH+uox4Y4T7ZyKGDOlLaA3Hrx7kEg+7+mMQim9i cT0N14Ujf23IEP0CAwEAAaOCAmQwggJgMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU NX0yA2oY9m00x4jbnvbY8HSvI6YwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cuZG93bnN0YWly Lm9yZzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQIGCisGAQQB1nkC BAIEgfMEgfAA7gB1APCVpFnyANGCQBAtL5OIjq1L/h1H45nh0DSmsKiqjrJzAAAB blL6PY4AAAQDAEYwRAIgJSSh4vISlmaTw/6YU5Cbsavbyp/ZI9rrw7GfXDhwQjIC IC09qz+VVsomukNOpzgDpZJh9OVIuhSLU4hW4OjdxJNxAHUAsh4FzIuizYogTodm +Su5iiUgZ2va+nDnsklTLe+LkF4AAAFuUvo9fwAABAMARjBEAiAjkiK2sjBD+Atj t5z3TLyBnoc3pr9IO2KFLgn5DloPfgIgRZZv4LeSSrsGSAXtUu9J09e7iyT785zS g4H5cWdxaFYwDQYJKoZIhvcNAQELBQADggEBABYXK9olIHtr71dcFNCrXpzcpqNE O1weI5+8Eh/kJruHxjzSgRTmNs/kM5vCnOlm/YIMSSQQu1SmNdkdKUZfJ8VNa3ez xRZYKo/NG7oci0JHdQVkheeCMZfIJNfnn7IjtikjFzhxKHL5HTso0OocCqPmyGw0 ozuAD2QdmVJAR79cD38iPUMewZSnd7j06LQ6WnDr9B503+NJAlBginQFScKW3TNB AKvKhCWYD8DOrGjWDoJRvJA0ASYQ9WITGjP0kqXDw9dAoN6QRJNV1PMDgMZRjmBC 0HVqZU6FEI5XY3uAhQFsCr+BXRf4j719mMbeNpJ74zp3bcIjo2YbNn0T2Uc= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsheG86DBKrTalfSSUtMv C2Rv8NKc3JAHxnrxfdurrHY8AjS5QDXYMFKizV/xK2Mf15Zi2vrdA/OchGSJ4SMy nWaTqyHwfutbgd8Xsy1PPDFHzwh3sYTfuLOkAzUWbfGPfp84aboMHmspaZoyliFI hoaRqkUcGa6o9XG72XNP1RTcleVhLRhqc8dVMe06WIaCl1P4LL1dHE/c/G6QHdGf CnjVy4uMM0LeUV2x7MpttVDnLnLRIj9AWqsYMgjQnjbgG4PmqueiMTLpNnn4dqAU H231mrYS715M0vln3/oFLV4SAujlvZx6K6Y7wjh5fth5G3HWNRfuLhdRo1/off5e xLuEc5G/YCNnFC8kV2h+wsxxkKF8vm2wAPrVcr5UrvHqQo7KJ7bt40hdA+HsTZ83 aRHVpwU5EALIBgcuVYLSENxwWOIK/ql4qWATexqE/69cZuxRU3UcJkMxfOYSYR1y 6VXhFh54NY4XzKQnYW01sJ0QdsIL8ho5DkAKRefwKwE4B3hQJpp1NqAUo8ihu6D/ AMjuIU5BFZlo2ZTJ0Of4xbNiGi545yV0uX2V0AtgEkn3isgNeEnT8N++Uv54G7hB KDcrIpu0Ki53Bt3LntJqsEkLp6bYuSFQnPH+uox4Y4T7ZyKGDOlLaA3Hrx7kEg+7 +mMQim9icT0N14Ujf23IEP0CAwEAAQ== -----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 270542438626707276201396095822585971596769 . . . . . . . . [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 2019-11-10 00:42:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-08 00:42:41 +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 726551575428677877783025044503680162004508637672269532729603621290753218674029757692576087072575729504330810136664881401005281931472571982529121636508460107197087509610344340480107827309164358250106965648958675350925420907787496751237937622036123246915026182447226085056399384933232111846024352313061403959915423353371136093389301678705662378819778388280364232109989600457578086984307993083512107882917861171876400319224086912109429333306315445380776219149794969814511221072511903966892923045880736797814125549789459125672475412829864686535832612930171791823882475990825682275995596081934860028982381368826007879011442657027207404214448566771360773166536304332295238947181144425669578240959308147695784836282658192159198084584274920523251355594062095586850130102726983897674107544135096373963558676199718188444901776704075459546736612027326148664798634713206586376090678474431844028004161608523734882860249702088264520205439894795828345229594659054691152632495555931868588585987528378005583426707274004434877278132791418301063443285969314527635405067285486125182372963427303492601594155084219530960766057611529594872295838809578011999613198985994502235199730816578718039040476133866317314345438467682642325325396692399032020417122557 . . . . . . . . . . . . . . . . . . . . [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) 357d32036a18f66d34c788db9ef6d8f074af23a6 . . . . . . . . . . . . . . . . [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 (243 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes) 00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016e52fa3d8e000004030046304402202524a1e2f212966693c3fe9853909bb1abdbca9fd923daebc3b19f5c3870423202202d3dab3f9556ca26ba434ea73803a59261f4e548ba148b538856e0e8ddc49371007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016e52fa3d7f00000403004630440220239222b6b23043f80b63b79cf74cbc819e8737a6bf483b62852e09f90e5a0f7e022045966fe0b7924abb064805ed52ef49d3d7bb8b24fbf39cd28381f97167716856 . . . . [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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