www.flatty.app

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:37:8f:c1:f4:6c:05:50:97:7b:b5:56:3f:f8:f1:27:42:d2 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.flatty.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:37:8f:c1:f4:6c:05:50:97:7b:b5:56:3f:f8:f1:27:42:d2
Serial Number (int): 367355760581849771965560915149289184248530
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 95:98:8b:9f:01:73:75:d0:b6:15:1e:5a:76:65:90:78:02:9e:be:92
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 58:ab:14:8e:ef:64:b2:fc:aa:df:e9:58:fe:9b:79:08:af:38:22:c6
Fingerprint (sha256): b6:aa:bc:f4:9e:20:15:5e:bc:96:6e:af:28:69:69:c6:75:be:ba:32:83:b4:5b:ec:9f:65:69:37:e1:84:b7:ac

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.flatty.app

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.flatty.app

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.flatty.app

Other certificates including the domain name flatty.app

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.flatty.app 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 367355760581849771965560915149289184248530
 . . . . . . . . [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 2019-02-19 02:44:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-20 02:44:43 +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.flatty.app'
 . . . . . . . . [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 758288899761018411292822338806698509992341285041764962456695392661457242188270538257871028636298524847438252460980415621566971261489003403126292479574385727992895350263617564992247621485376637561154028693123276208490732286698356301201148909907424948215286090406986823658571205984542371451943555806633251266636500836177434399308644480100918268474128247049401951614876661759990722753991369102381275715432401052918196132476757366178891187000381590172624180074682917805369464582048909247695812307490576218955106275233140562261345874868044657265060215056967610523853324338556161663219520450493612143190845639238913045190139310967514324932431057059863107341529905282233123998749949017675654735602958069601354387224090600328299014822001381081080382241777487483657927948055098405581752612983673403022990445539589702161518794426129659320390327486525336013380474170653924951760087220995336645267114188838881004592461432414807243690648835348845292661113996045221799953198607347922792421859428517715187046010431359137507878409158459363793117558008664897310043634536460976069740454879887498258436262968453813772578571702163342921774305181005639930354824571767831955469954617500483268042401298045728716290698218434680863127100850234759505086054939
 . . . . . . . . . . . . . . . . . . . . [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)
							95988b9f017375d0b6151e5a76659078029ebe92
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.flatty.app'
 . . . . . . . . . . . . . . . . [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)
							00ef0075005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c0000016903db1556000004030046304402205389b3fe3e2b4f253b5dedf518864805e6b8de118feb0fc1ca67ea5dc938654d02206f5ae683f7bd1682036a346cb1d901946cb276286d761108ae5b8ab8325b1b0500760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016903db153f000004030047304502210096bd2f3cc0fe28ca28dbfcbe019684ddcd9e394c043046628f6ba1430735158102204ff6bf0a682ffdbe9ad868d06e965c5d1f878dad01057c17ea3bbf277b147f23
 . . . . [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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