www.flip.app

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:db:d7:4d:a4:3c:72:c3:3f:1d:b1:27:85:2c:f6:21:50:a6 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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.flip.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:db:d7:4d:a4:3c:72:c3:3f:1d:b1:27:85:2c:f6:21:50:a6
Serial Number (int): 336144883308022509612193530191840574263462
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 2e:fc:c1:19:bd:55:00:20:62:a9:f2:74:5b:1b:39:f9:54:bb:56:8c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 93:16:e7:99:79:f4:62:ec:4c:7d:3e:4b:06:73:a1:da:26:61:3f:9b
Fingerprint (sha256): 29:fe:08:77:85:81:d4:5c:88:ec:aa:1a:b2:0b:01:c9:ab:54:0d:0d:90:d6:ab:92:b4:fa:f7:ec:e4:c3:d4:bb

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.flip.app

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.flip.app

Public Key Algorithm

RSA

Key Size

2048

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

app.flip.training
flip.app
www.flip.app

Other certificates including the domain name flip.app

(limited to 100 certificates)
app.flip.training
flip.app
www.flip.app
flip.app
app.flip.training
flip.app
app.flip.training
sni.cloudflaressl.com
sni.cloudflaressl.com
app.flip.training
sni.cloudflaressl.com
app.flip.training
sni.cloudflaressl.com
app.flip.training
app.flip.training

Certificate

The complete raw certificate details for www.flip.app in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAr4Nywa6m16osdBxMbQOl
NDhvoOW0gMmUNfDOxc1q5Z5CjAL7WGCZiWvDP9LC0jJj6CZhBH0BytjrtfQvhA7C
8Z9dfarAG9jqcQc4C57GA0j7JzoXASxOm2ky9Fi2pqH1zJkbhsn0Db7/MsI5L6z6
vOrD0pDEGLONrHN1wTh8z+HbdQGAXLu6+EZ7CvaTDD7EARqy+LijE4hZaLOKihSI
cLisRQTG9o1toHRzjbOnxuwMKky6UM4ZzEskFFD5Dgb45CKJUYqxxstON1UF3+bN
PEokHnADQOIZ/Mmlb4gxDqGLyuqD2h8gw40PuDW9f+2FIKgApSiSE+a1h30BrMeK
7QIDAQAB
-----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 336144883308022509612193530191840574263462
 . . . . . . . . [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 2019-09-13 00:05:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-12 00:05:06 +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.flip.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22156522925798185555711350656419136958692672888857575141776723689396925453197540664436020250992610893880962235553476378358576596453078293976031785746100051969688889197563713590575156477216080654218035791588642655071635680688650614703293143833777242308375423500898827397525876076211320975095344857722163890012037484349415649435221900470662091828336322073723942325813546775597451915405119645288985883486503809931129226359217425889124224152756614011232241780469551344846316648140814524888900427737868279811081448695739842397223763423098538013380234947041458680074066984243635728907649231958066714731162263070417778871021
 . . . . . . . . . . . . . . . . . . . . [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)
							2efcc119bd55002062a9f2745b1b39f954bb568c
 . . . . . . . . . . . . . . . . [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 (45 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'app.flip.training'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'flip.app'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.flip.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d2826fc580000040300483046022100aae846674051f974b7c75ac396186619bd6cd11afdca10a6d750e8d35d40ea10022100bb372dbbb0db9bb05cdc5342ecc4fba4566af2cba30503bab661d132eaaedadb007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d2826fc410000040300473045022100b168269e9082a13164ed7d6d93223cd88f2def9e50ca873d429404eef15a2e42022047295ffc1cf47fe19f8be208d49a4d44013262b036f41edefa8a09c89e660be3
 . . . . [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)
		0027e18d433738a1b7528b9c40e5891e6259fc5165b50f29082093f0852f619aabb92502e3d25fe4bbd7e6ec8b5a2e62b3f9549a1d418f22d9ac0d8e36abebca13af4780125728931e919c9c600713ed31404a9886a01d675d1c56be9c168a9c01dc9b4c4c7796dce40f161df0d9dc22c92821e6e164537969b7351d4a64e4f0bb32f141a54ced94252ea5bd0b0eacf3a1ec3013e822b48788d6d11c4d38eb80cc0b7553534c77544f4e28ff6ed1936c539d89710c2dcabfbcdb55e2ef66e50f3862a12e0c438c1646818c7b81dcfc31422cc680ae51a5693e22796db56b546a33afd2493298a003893c2af7b9fd275fac7dfda6060700e4fd2b53dff0dc1eed08