www.downstair.org
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:db:a8:6d:46:e9:d0:86:d4:44:4b:99:10:d4:96:4c:e6:26 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:db:a8:6d:46:e9:d0:86:d4:44:4b:99:10:d4:96:4c:e6:26Serial Number (int): 336082573852909079603154795784696259995174
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 4a:7f:0d:b1:dd:11:cd:72:8f:ea:06:06:1f:f0:bd:16:a6:ac:3d:3c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 23:a9:4d:30:cc:2d:bb:e3:09:93:ae:c1:f9:d7:95:9f:29:3e:4c:ca
Fingerprint (sha256): 4a:ea:76:af:bd:fc:96:8e:d9:3a:2d:3b:c1:d5:fe:19:e5:60:e8:f9:5b:63:1e:a7:a1:44:c1:4e:a0:f3:d2:8f
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----- MIIGWjCCBUKgAwIBAgISA9uobUbp0IbUREuZENSWTOYmMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAzMTUxNDQ0NDFaFw0y MDA2MTMxNDQ0NDFaMBwxGjAYBgNVBAMTEXd3dy5kb3duc3RhaXIub3JnMIICIjAN BgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAl4GQZQk9yfwQEVOAMXO1uTLJSBMa 6FVp3KoAVrInTuT1vHdkYhC3mO/ptcUKw4ydQ6Y3LQfJbsQ+lXbN8D6TzsfxeKfK v8VMRHOKZWsqyQsh8yFY8FsY9mH1SFX48plnVbWVUTnZO51Z1dhyZuSXgf+6xEvW BgX8HN8/TqrJvgsJJqpy5xpmhZvSPiRbCXioDtzAHb2JGASbfgQEb67LfsmtvKq/ E+Kq8BvhA9C/p2VEpD6UaB3c8Qxwtar6gn261m4rfVLZtRNDw/BjqJnekmeQUpDA HlS0TQoTQIPiXZ2/Ck+L7CBC4ucZUQ2HljNfuDTNp6LShKrjZQElmgAL2ijqneCk xDxgaOLMWE55TaOpN+8DasYRtbJYH5AqF+hzxrVVfHZcSWq/Vg69ytvlWvvB8ldr pRRObmNIaRO4brwlgGbGOubt2eFsQ8RXdOeBKZLGccJjzhBsHfPRI3Doqh1kULjk bDRNj55aQB26b6Xi2MDTzVucVlCvNKs6fFaETfMwINbAyXKQH34NRIhAaiyVNANG r2FFjnPRYufb/glPfyPQB3WeseqZAlqPxwBgNEX9hR//gKdWmWtsqH3PdwVgV9Zm zQuldU6uDaJHoZZfwS28uGdGyXcKJDUQt/RrLUnQJl+Gk8sadElkyg1Rp2j5KETU QI1q2JG+6AdJ9YUCAwEAAaOCAmYwggJiMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUE FjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQU Sn8Nsd0RzXKP6gYGH/C9FqasPTwwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl 7/Oo7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5p bnQteDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5p bnQteDMubGV0c2VuY3J5cHQub3JnLzAcBgNVHREEFTATghF3d3cuZG93bnN0YWly Lm9yZzBMBgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsG AQUFBwIBFhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkC BAIEgfUEgfIA8AB2AOcS8rA3fhpi+47JDGGE8ep7N8tWHREmW/Pg80vyQVRuAAAB cN7eY1kAAAQDAEcwRQIgQnYRCMIjN5jgFoM1j4DuL3Ri9x/IGwBQec4023yjgg8C IQCzl3cfDwAvcR84xy1e8cdJ9Kb2VRure7NjbISyKhiTgQB2AAe3XBvlfWj/8bDG HSMVx7rmV3xXlLdq7rxhOhpp06IcAAABcN7eY4cAAAQDAEcwRQIgIhQNwd8O3t0d IgHPoDc4X5ZTVgVKW1Zv4clzgwr6laYCIQCbiCI9eQ6CejPoNXCVsLfuWLOBRsZc O/w8JHoD35AHDjANBgkqhkiG9w0BAQsFAAOCAQEAlLVqupAes6jV/7yMkbS5tn3g exw0Q9/+Xr/KfIgqMT9pQQ84soBsqismd7XVDZHU4CIzDUdgJQ5Sj/o2Jc/lqfDr mQ8i6bBHYQ25j64jhKdHTZ4n4QzCSm4SPrsRDqHcD/TPDOiOBv9ZweSUjX8u/Y6T JwRMCf8qjtWuxR9nD7TYMBRfTTdQg931pkRsBbwJMZQNm+zJQH2NQwOI/PUYN+Yh 6C1I0jRmxme7tyYXN1bumlVniTEA9Z3QVzImIgnM5K/Qlwws+n3yJWuLAriXAZyz /98DqsVqsCNZhj75DN0p/F0M6VoQJx+X+xHSFBcToGB+O6xiwsYt6LAdK+pwiA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAl4GQZQk9yfwQEVOAMXO1 uTLJSBMa6FVp3KoAVrInTuT1vHdkYhC3mO/ptcUKw4ydQ6Y3LQfJbsQ+lXbN8D6T zsfxeKfKv8VMRHOKZWsqyQsh8yFY8FsY9mH1SFX48plnVbWVUTnZO51Z1dhyZuSX gf+6xEvWBgX8HN8/TqrJvgsJJqpy5xpmhZvSPiRbCXioDtzAHb2JGASbfgQEb67L fsmtvKq/E+Kq8BvhA9C/p2VEpD6UaB3c8Qxwtar6gn261m4rfVLZtRNDw/BjqJne kmeQUpDAHlS0TQoTQIPiXZ2/Ck+L7CBC4ucZUQ2HljNfuDTNp6LShKrjZQElmgAL 2ijqneCkxDxgaOLMWE55TaOpN+8DasYRtbJYH5AqF+hzxrVVfHZcSWq/Vg69ytvl WvvB8ldrpRRObmNIaRO4brwlgGbGOubt2eFsQ8RXdOeBKZLGccJjzhBsHfPRI3Do qh1kULjkbDRNj55aQB26b6Xi2MDTzVucVlCvNKs6fFaETfMwINbAyXKQH34NRIhA aiyVNANGr2FFjnPRYufb/glPfyPQB3WeseqZAlqPxwBgNEX9hR//gKdWmWtsqH3P dwVgV9ZmzQuldU6uDaJHoZZfwS28uGdGyXcKJDUQt/RrLUnQJl+Gk8sadElkyg1R p2j5KETUQI1q2JG+6AdJ9YUCAwEAAQ== -----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 336082573852909079603154795784696259995174 . . . . . . . . [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 2020-03-15 14:44:41 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-13 14:44:41 +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 618091001044880178896564900520101214254067642674936990720509705373683177712818068076821863939321981033274485137734066110088998725788358032684721538062205062842349624248228347443827024213731033508758099220328576207191333192154522038021041448881792603473639528234176979297397941859869518647861154214110149186051234058681202063391099460699463798693005444476770211803819829187370793410241769060347276055152425406728498120368603767268918594950680016721524179641272748430611480572039574547094684701050294088618947002151937815093234379216212694407673204760396858045844238915929976112775057772568687083704658268941101358958091270824888004056126875830611605307540233608360636381252486947590742509963404359926985832312572664879806030784885281917981990708538707874508112239190295691038877996738033282564247237546378835921386219489357128421463878741523559881041156316078890551791672908975859147600105938344995599168129868003477095939998849320928623557275300882172871046977270836729735513770158519510589287023347977511454379298512331941500732566999295317584762687573406259368782042866532356823715253128706282938150516058899381035718670251469937763525675807887923166764532097334478285492703967653568209964716100102537981544693336969137591719425413 . . . . . . . . . . . . . . . . . . . . [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) 4a7f0db1dd11cd728fea06061ff0bd16a6ac3d3c . . . . . . . . . . . . . . . . [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) 00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e00000170dede63590000040300473045022042761108c2233798e01683358f80ee2f7462f71fc81b005079ce34db7ca3820f022100b397771f0f002f711f38c72d5ef1c749f4a6f6551bab7bb3636c84b22a18938100760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c00000170dede63870000040300473045022022140dc1df0ededd1d2201cfa037385f965356054a5b566fe1c973830afa95a60221009b88223d790e827a33e8357095b0b7ee58b38146c65c3bfc3c247a03df90070e . . . . [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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