www.downstair.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:37:f3:92:d3:bf:81:cc:df:a8:81:b1:13:aa:bb:b2:c7:2c 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): 03:37:f3:92:d3:bf:81:cc:df:a8:81:b1:13:aa:bb:b2:c7:2c
Serial Number (int): 280376152749010612726363919272551352813356
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 44:72:48:e6:78:dc:af:b0:ba:ae:16:2b:f1:86:a2:7a:32:84:40:77
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 71:2d:c5:6a:96:4e:de:1e:e3:8b:41:68:ab:58:97:42:88:a6:97:c3
Fingerprint (sha256): 26:50:77:03:06:c6:ad:fe:b2:fb:42:85:51:c9:5c:d3:98:10:57:0d:59:24:1d:2b:f0:e3:9f:d6:3c:28:a7:f1

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 280376152749010612726363919272551352813356
 . . . . . . . . [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 2020-01-12 22:59:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-11 22:59:05 +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 717418329107370692110521225267759724328466198615070222932667790182161798916318714138938354453139800536541269831867014290872241621897991225033886865108074104236666794946407702465814583099413870004114774717542686124627745701127615976145050468450311832032292120411500057164782068587161998280106387904889982583013934208362899120259246814055408208509206698857998294902798997262845301474772282379049482650285993915381293435343833533720639694131892617448296914296617468988947491524783012446634475071240526849013615619523524068721765134666815951728016209405691307392406304650161252146978756934479876113012799313479555792442863896525654826043619202346494889249054783295829081053108623155301996671742326947461987647827699043241571109252882989750561352596074694019331213302823156761191653250075140988499730342817591867209915836647565276570225150653856713347722465322765774501489898799658916147483992849916398779125814949986258872747058075821069929436086381677022453964483229691005853251953670176626679517099371585339433998961930596883134200449769109985002934151816777787176940369539314994941359945700363464856153236600238811905555384531049132365106176431022088023632972182307443652487529358139675469723957372797369242469924545574204114219030173
 . . . . . . . . . . . . . . . . . . . . [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)
							447248e678dcafb0baae162bf186a27a32844077
 . . . . . . . . . . . . . . . . [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)
							00f00077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f9c3262230000040300483046022100a1ec4026d970ce82290b865ec92cfe4cc8f5de0ef001b33386c2d16f2cd40120022100dfb2598c917ff45701e7f459f6a0be64ec364682a04d4769bb3077ec45fba1dc00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f9c3262200000040300463044022052cab1f2b1b72a4d94a7c24ccc05692fb212a088255fd530c1d07b86a106753e022067f7c5d02133193f35cac87ea4dfcef1c8c1fcfd0cada8f3c31dcb591057eef2
 . . . . [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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