flip.app

Issued by R3

About this certificate

This digital certificate with serial number 03:f5:25:64:81:a9:4f:44:b2:46:e4:9e:57:2b:e7:bf:30:10 was issued on by Let's Encrypt.

With 2 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=flip.app

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f5:25:64:81:a9:4f:44:b2:46:e4:9e:57:2b:e7:bf:30:10
Serial Number (int): 344755740986285489559055528773251541970960
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9a:39:26:71:b2:a6:33:3e:1d:11:5e:c3:fd:65:8b:35:18:db:85:5b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 3c:af:7b:3c:c1:b8:27:4f:96:e0:64:c9:c7:b8:86:e4:78:f7:38:6f
Fingerprint (sha256): 57:54:5e:cf:e2:66:23:e7:af:36:8a:17:0a:99:ac:a1:a7:b4:41:dc:74:8f:8a:77:c6:35:62:ab:db:da:c5:3e

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate flip.app

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

*.flip.app
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 flip.app in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqcMtAjED3Bks2oxAkePn
lXww6S/aUesltdx3VehVtrdKxIT11KVQ38awylUi88BV5yhjwd/vNIVjE0QO9iKj
w6uNnhIlF2Wuqbd1bTprwi/h7WOKdEJ5Fg8BXh57Cd1uQwbzAUDt6qCAb/9N3rZ5
/J8h2E82sSXvkF+GjzHjdYz82WkHjKSHmijUZ2M8p3IBSjs2itN0LZT/8ix0s5wI
vl6NGwRIyBKuBflfWcpuKLdoqj7FwKDoDg9cfG/aPfrz+LRLJF4ifNDjk/49gFhu
KC1258mudA8Pc8qY0foiZH5ai3vMYHKqpYCjr9Dz28W74sWtHRweNJo4lFf9AokZ
LwIDAQAB
-----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 344755740986285489559055528773251541970960
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-23 01:47:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-22 01:47:41 +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 '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 21430518320579227882152443489113724581418050172212535215192308431215875080785614576212857752865428546931387736254284471380381894923481529744764798290282393821032890735360694253104265483366437805539476791892764410268210107687163142211166624679693536391119683654453516562123531947364429676640019903504703242155637232363381843493781339921334037056314577400971296913083309249294994860053656794271646356710309854671199687117356072321082758237553659517213445899871809043777315767934927276201156220614919021632968496777619346444572797544720424219178112132578573504098311841412810659878140721896477730999088317834934293698863
 . . . . . . . . . . . . . . . . . . . . [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)
							9a392671b2a6333e1d115ec3fd658b3518db855b
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.flip.app'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d3437672d00000403004830460221009063ef119bc20fc3833aea4e3299ce917c13b3a82cb30a31798812b86cde0a1d0221009d9c32bcdfc3abccc4f75e8185a2b7ca6c2fa72d49dcf1a7ce5390d4f8a80598007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d343769200000040300483046022100f52950030cce922bd83ec7b8ddd5b5f3bab898b393821bd7d17ac9170a45c748022100b9ddfba1c1d511fc52741fb3f97ec524701f7f191a5aa5ef628df260240fd677
 . . . . [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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