downstair.org

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:99:40:2b:62:5f:bd:fd:b3:08:45:d7:fb:b5:bb:e8:d8:a7 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=downstair.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:99:40:2b:62:5f:bd:fd:b3:08:45:d7:fb:b5:bb:e8:d8:a7
Serial Number (int): 313485355789941092430485501399368846596263
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 93:45:4a:ed:b5:8d:53:bb:61:ed:1a:b1:e3:60:21:2c:64:39:89:8f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fa:fc:5e:74:08:ff:ba:9a:cb:1a:0a:f9:09:ae:ef:e7:d8:53:7d:af
Fingerprint (sha256): 05:72:28:01:65:07:f3:10:bb:de:05:f3:ed:e3:5a:5a:c9:d1:48:46:99:2f:0b:29:c0:2a:45:e3:3e:28:3c:f8

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 downstair.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

downstair.org

Other certificates including the domain name downstair.org

(limited to 100 certificates)

Certificate

The complete raw certificate details for 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 313485355789941092430485501399368846596263
 . . . . . . . . [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 2019-03-22 22:06:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-06-20 22:06:26 +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 '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 740125300592367684114150130948744696034993719562952122406861738837723197756257138755756127468359867701265716600164168258851511602456643766400434945239767317120057233386799564599792415226621059312371429800089545866664304747916672995163616532339862899455135073736565656636052947219610880128484443796163425109938714677493357055751343362752932593207366467509798874443195086595208431408386570784495427752193215222777590259200803485163802168762770325775515911959912869815703649651295279735631863163809895849577288355851677038837173150499626497852179340677894217603311860305535360819416679400768069537285933872279115075351934580752957766964438554770792874834019834711765862095302418647946779013598999615109959411416913247147967848121603865614063708761168993952942322297758812291195773572019555000087343879384767046660043691341431073227918365302521578589025019265858315338891035400151139086590135178462291100541616299032813566131962881910075219090542980334281227965517412541555730631065810651671355651451094755583986708513892627704501222468618455602316466156386198326603521512245200685866784235798099222133910647288052812304982392356577719445288625347404688314951684948415127544938355068892025594132202435261543058261041039233814095259079427
 . . . . . . . . . . . . . . . . . . . . [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)
							93454aedb58d53bb61ed1ab1e360212c6439898f
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000169a7a7d1d70000040300463044022077db4319cb06b729f148bfefd3a0713e149d9c04b2448fce2bcbd2a559a26fa0022059f5b0aa6fc5bb7b55a45186944dac54175f32d57cc76d2d31d6c6385a60059400760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d00000169a7a7d1d90000040300473045022050c8fa605d75907886e4e242290be0f54df5f05cd9fcea5ba1b6bcdf0a1d3177022100c8b4d82ecf134c510b8f2bd841c092a7f811880c3432ced4e5f66b81b40176f9
 . . . . [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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