www.flatty.app

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:0c:b2:ec:94:83:95:52:89:f5:68:8f:cb:e9:e1:5d:3f:ad 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): 04:0c:b2:ec:94:83:95:52:89:f5:68:8f:cb:e9:e1:5d:3f:ad
Serial Number (int): 352770363107622301072440938853062447808429
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ef:a4:bc:1a:01:cf:ad:bb:32:05:a1:7c:84:85:da:c6:90:ac:b5:73
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): dc:e1:c8:69:92:7e:5a:c5:17:f9:c8:64:ee:27:ee:11:47:a8:a4:28
Fingerprint (sha256): e9:dc:e8:7f:87:9e:47:7f:ad:85:d0:e4:b6:ef:5c:f3:93:5c:df:2c:1b:ac:bd:f3:a0:c5:b5:5e:c6:fd:5e:0d

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 352770363107622301072440938853062447808429
 . . . . . . . . [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 2018-11-27 12:35:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-25 12:35:24 +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 828527098898663727108102763698031668777318016392372418046012882613800030838195235178885535260274305391111501986535303256185884796314163797868686800124328425317578484704974225058734248144558413674393986896301797754445260001019568385913949929784995941783301976666501316679397245762893740331740868707567532114310880820580618346258421110926672607439127378697986897483793329953151037387798956303798932183771196621957736838453825389962523847731304683062425904820030453189362604422388002411684087572290328926591737559751299750115248088740425677727516138533424676379365104548318129717332423090768327319263888281604412894225464215798305647493144188872022337135233419805762279708466711757904440566086647768633907493333384191520531868620169106537502278861194289920832948077277508734637132467888835091638427961398573647475406713609904322528645057366142441438563200731700980643909492569382990671692196839653442074514914136346968247843866295024809709838201049537856748576057707989574567041978264943307760764521288249654282764000557063085184628238854713888219963379663529164078952347463518325539170768795110213173257267673091924657605766722355888019618909759683799945116125411349408348625963263670600707667260592776240147912956345868670146757453307
 . . . . . . . . . . . . . . . . . . . . [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)
							efa4bc1a01cfadbb3205a17c8485dac690acb573
 . . . . . . . . . . . . . . . . [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)
							00f0007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc56000001675561af3b00000403004630440220599b3f97696740cf57d72c074cc27f966ccf9f9bebde38f811b1649d693a2406022042edd0a30a850efcb8b831594126b9208ad77fe5f502f9800b5f7bf3eff2658a00770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d000001675561af250000040300483046022100f97600ef213c48b3b96fb5691814789bfa6e46de3d1f06c153eab271e793d4bf0221008de4801899333f2e153d497a8489653390e6310b5396f2d734374424e1a29bc9
 . . . . [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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