www.flatty.app

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:82:4d:d6:d6:03:fe:43:0f:67:50:6e:b4:a3:be:db:cf:2a 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): 04:82:4d:d6:d6:03:fe:43:0f:67:50:6e:b4:a3:be:db:cf:2a
Serial Number (int): 392789317474718181744326502862242371587882
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 09:cb:77:7c:f2:d9:05:94:ae:52:7c:06:2f:d3:4d:f0:25:10:8b:97
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b4:d2:7a:31:ca:d5:43:34:f6:22:9e:a6:45:f0:b2:c8:35:41:01:89
Fingerprint (sha256): 24:5d:78:ec:78:9e:a7:e0:2e:b0:2c:3d:c2:46:53:02:1d:01:1f:cb:ab:8e:d1:24:49:8e:62:dc:cf:10:79:e7

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-----
MIIGVDCCBTygAwIBAgISBIJN1tYD/kMPZ1ButKO+288qMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA0MzAwMTMzMjNaFw0x
OTA3MjkwMTMzMjNaMBkxFzAVBgNVBAMTDnd3dy5mbGF0dHkuYXBwMIICIjANBgkq
hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA2KAAKWwt5hArAdYXuKDLjy9DbufTp4+F
nLWRIDf8P9v7JXztExMgC/bP5AdBXtcBB+qZIIjKfjxU7d5tTuWbYUSJhd0ax/SR
z13tpvuCeKJixGa3K37Vbty6XMvABSjwjuwJu6ncZ8A6tD5T9oTnwz23oT7Nk2i1
R5qa1z1K5ptYTofNiWoAnOg7fghK5TRubn92D9741//T/j1BlL280zba2yoH/Urt
mrSVm05BPH6DUBheIzpXoLbpCewHBrt3voHxb8FQ7FatWwZ3VUHjxKuc68SwO2kd
kWBzI/u3wtjmPsEVOKQD93dP2m2osNrEyezG+sKeU9VCpvtdE5AZMV66MosqsLgL
op+soPqjwGOp5exmQ75HSKWDHicDEPaXhWI1W+L7EoFNTWXHeChZb/jT3ZiuOGSs
SBH8Kt1DR/V+INMfkyD7/5s53SZ3sQESGabzdwRlal5v792O8I+Tfkw+cqB9b5YB
5SQS2n4q0veb/KBxbb6+wb4lVflC6/nMGPqtfv5tjCLzwgVrE0tSUgmFOJ4fnYX5
ABJ9LEd90T5F9dJY5PL5N2YcIWAHbuFlT+JJGzXwm/7B/aviW/yExWKNvzKis0XQ
ZxnhAtUlRIj+txnEygWKaVg0+1d4EcMVUfpfTsuTAJ0XmIO0loeSzBaua5AWE/e9
/Iz1t4gsMk8CAwEAAaOCAmMwggJfMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU
BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUCct3
fPLZBZSuUnwGL9NN8CUQi5cwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo
7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt
eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt
eDMubGV0c2VuY3J5cHQub3JnLzAZBgNVHREEEjAQgg53d3cuZmxhdHR5LmFwcDBM
BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB
FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQQGCisGAQQB1nkCBAIEgfUE
gfIA8AB1AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABamwW8SgA
AAQDAEYwRAIgccnwedi4MAuLP8CqV+Z6CV2CnACXtcKT3q1/ouOARU4CIFPC98NT
DjqTRv8ecL62/rHtqGkiMmRSxrfzUn0owhZyAHcAKTxRllTIOWW6qlD8WAfUt2+/
WHopctykwwz05UVH9HgAAAFqbBbxEgAABAMASDBGAiEAwMCam9XVf5JudH7vMmvn
EMnGWx0HSxM6KR40NYfVXcgCIQDM4xLdkudd6oaE98jxwz1/m1Ym9EAuhmEHAuf7
55nxKzANBgkqhkiG9w0BAQsFAAOCAQEAMZCtstv521S8byRUXWaBFtz5VxIUjoPT
Djm6WKnz8ctMOpyv1WlFHUyZZXqVmFQyUrPTJpaMwXyYEz8ywudPmDmu5DQ0D0JC
6ED7v07PdcmXEyOEWdX8ziz+zV40CDqmHlWjXOjnXlQspwQdr3HGrJuLqV4Wqakb
3/p2yZE9ZRqFrI3+3iKpiDd6uOW8kbiPU9gwuthwkMyD6dmg6T8MICrxh2XOlL47
lCUXszAVeRap9zX/FrJD7y5ZbcAM8TETOUhc4Tl3Bs5KxLkjceubcx81xD4z0ecO
H8HYwyPfI1ms2EOcs/eg+F4cXxThiO7k5uo6Ciq98On7T9la4YPZ3A==
-----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 392789317474718181744326502862242371587882
 . . . . . . . . [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 2019-04-30 01:33:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-29 01:33:23 +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 883752906307411009550787096154420851077062556163911926778085631962807061958005363827303052456028010152976719292836475202595360988584218404961157476560956630905216239187098430665079472527491002514757094692351582138457597350758809584992134662504873002041053379757022015894217424789824387837655048144511189381615279489755405121128118287973690414911667627120529246961782970059747817728541915830769007987400138252050007834279570253500741047319846324258990748887675391438453040016022727239185883762690737316629154463218239632755862547750167560780119054733803659497719368940869267959314672107124689190746273448105305953545115726366707629744257072716888997224309698084349638817927925372468190389744709503790697791535871917188303096646163243512661876401762537764028743810716042435956374592194145137474711226597325333617540754840385630712644196366737177386236155706888340351570594083628596882967464604451955926086532888489807294423675561431806895789766420277684969528522575592823265187278460796780329802309802191571887004106505847134596663600487063832725257171786388582614173292804025732652826063591094274007209420554921614247960846850139264178714287288107246272720506291107816191472472302425378425675472291491777346875390974974053908210266703
 . . . . . . . . . . . . . . . . . . . . [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)
							09cb777cf2d90594ae527c062fd34df025108b97
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016a6c16f1280000040300463044022071c9f079d8b8300b8b3fc0aa57e67a095d829c0097b5c293dead7fa2e380454e022053c2f7c3530e3a9346ff1e70beb6feb1eda86922326452c6b7f3527d28c21672007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a6c16f1120000040300483046022100c0c09a9bd5d57f926e747eef326be710c9c65b1d074b133a291e343587d55dc8022100cce312dd92e75dea8684f7c8f1c33d7f9b5626f4402e86610702e7fbe799f12b
 . . . . [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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