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:d5
Serial 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.org

Check 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-----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=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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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