cristoff.app
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:50:df:0a:32:c1:ef:33:10:c8:8d:a7:a2:f5:f8:ac:26:02 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:
- Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
Certificate Subject
CN=cristoff.app
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:50:df:0a:32:c1:ef:33:10:c8:8d:a7:a2:f5:f8:ac:26:02Serial Number (int): 288855917944469982804533561398888946738690
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 47:24:8c:7a:a2:d5:c8:8b:79:27:14:48:d0:dd:30:c5:01:02:60:f7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): a3:70:1b:fd:d1:01:37:2b:07:d0:13:5f:fe:7e:7f:d9:9c:45:44:91
Fingerprint (sha256): 3d:46:d3:79:df:30:99:9c:3e:0f:4e:da:a0:83:b0:56:73:c8:8b:70:91:39:c5:d4:0e:ee:4b:da:27:c0:9c:3c
Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/
Revocation information
OCSP Server: http://ocsp.int-x3.letsencrypt.orgCheck the revocation status for certificate cristoff.app
2
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for cristoff.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
cristoff.app
www.cristoff.app
www.cristoff.app
Other certificates including the domain name cristoff.app
(limited to 100 certificates)
hirehammer.sg
cristoff.app
puertasabiertasfcfm-buap.com
cristoff.app
sandbox.dr-almond-app.de
www.compramostumoto.es
cristoff.app
cristoff.app
incidentally-login.emerging-response.com
halosinsight.com
sni.cloudflaressl.com
www.skypunchgames.net
cristoff.app
conxlabteam.com
www.compramostumoto.es
data.bitewell.com
cristoff.app
www.msighk.com
cdn.taskgram.com
cristoff.app
cristoff.app
dialoguing-with-ecologies.org
carbon-lang.dev
www.spagato.sk
terasite.com.br
sni.cloudflaressl.com
sni.cloudflaressl.com
cristoff.app
www.cristoff.app
cristoff.app
puertasabiertasfcfm-buap.com
sni.cloudflaressl.com
cristoff.app
cristoff.app
puertasabiertasfcfm-buap.com
cristoff.app
sandbox.dr-almond-app.de
www.compramostumoto.es
cristoff.app
cristoff.app
incidentally-login.emerging-response.com
halosinsight.com
sni.cloudflaressl.com
www.skypunchgames.net
cristoff.app
conxlabteam.com
www.compramostumoto.es
data.bitewell.com
cristoff.app
www.msighk.com
cdn.taskgram.com
cristoff.app
cristoff.app
dialoguing-with-ecologies.org
carbon-lang.dev
www.spagato.sk
terasite.com.br
sni.cloudflaressl.com
sni.cloudflaressl.com
cristoff.app
www.cristoff.app
cristoff.app
puertasabiertasfcfm-buap.com
sni.cloudflaressl.com
cristoff.app
Certificate
The complete raw certificate details for cristoff.app in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFYTCCBEmgAwIBAgISA1DfCjLB7zMQyI2novX4rCYCMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTA5MjcyMzM4NTRaFw0x OTEyMjYyMzM4NTRaMBcxFTATBgNVBAMTDGNyaXN0b2ZmLmFwcDCCASIwDQYJKoZI hvcNAQEBBQADggEPADCCAQoCggEBAMxjXgeIE7E4oUlwkva0i5FCboGejrFhnn0z UA/O/tG8/V/CtWlIha47q59S5OROrxdlzbc1xMwp8McGl+idONdt/k4dY5Zm3BrH uH8n9fHiamIhv89doN+zq0DX1v0q+qwtwiRZtMYUi3O9XaTBQSayZDJqs6ynrU/c 1p8gbFuc6atPwqTgq6qfDGt0ppuA7F8D3+g2VGBrUFNdhEQRE6AkeWQ7UmD+4z3L sTspRJKEcc5By427a+a4p/PQ3lCnIWGIt/4qzpX+Af005r6K9WB2UnEgIy/jWLkh SqyAeBJ7BnzX4D96AHHxE81DPSnKQRlpH9tjER8i+dIGpuueo9MCAwEAAaOCAnIw ggJuMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQURySMeqLVyIt5JxRI0N0wxQECYPcw HwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBh MC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3Jn MC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3Jn LzApBgNVHREEIjAgggxjcmlzdG9mZi5hcHCCEHd3dy5jcmlzdG9mZi5hcHAwTAYD VR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYa aHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEEAdZ5AgQCBIH0BIHx AO8AdQDiaUuuJujpQAnohhu2O4PUPuf+dIj7pI8okwGd3fHb/gAAAW11TmLNAAAE AwBGMEQCIGm5bgPEP9ZNtLtAUM+ATtA5JN82rUnTp87Yzrj0CZGRAiAy8z0FNYKi R5SC2LLtCVQw5UZjYBB0fCsrZjQq4TzqZwB2AGPy283oO8wszwtyhCdXazOkjWF3 j711pjixx2hUS9iNAAABbXVOYr8AAAQDAEcwRQIgVArpV/3cYn4IiJa+Qa44tO+u 0h5GhzGGGQSxjz6pGBsCIQDL9bhn02GxeF4xOEbuleZ+zKHRn13gpzJ/qTdsIVmR 9TANBgkqhkiG9w0BAQsFAAOCAQEAAyoTIwYmTvTpipAFFIk8pm+ELBdPPxgbusxJ e5N8Ra844caFNGVG2ysKt9klCr8vIZdtJwrhbQD7kqyJnd6dcc1wraENLreF8vyO fEc6grTiUSqzqvnOR5H/gX9blRdIAgmV1+dHAbSEC8241bqWWVmKQ2EfLA2JPDyE KFAFIzRpJT1RiAzzxqeuaeP9KLU+6p1E+o+5q/IXHyBFUrBsLV5XYchObTXuPluK E2umJF+P/IwKeK6mdJ9q+fIhLBWIFISF0RcZtrkCV9xk9QenxxZ5rX5Jsu5I1ktV VCOQIfAw6veuhCLo7SCAtKnWeVc6iu0xHkJ6xmpuc12h/mpgRA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzGNeB4gTsTihSXCS9rSL kUJugZ6OsWGefTNQD87+0bz9X8K1aUiFrjurn1Lk5E6vF2XNtzXEzCnwxwaX6J04 123+Th1jlmbcGse4fyf18eJqYiG/z12g37OrQNfW/Sr6rC3CJFm0xhSLc71dpMFB JrJkMmqzrKetT9zWnyBsW5zpq0/CpOCrqp8Ma3Smm4DsXwPf6DZUYGtQU12ERBET oCR5ZDtSYP7jPcuxOylEkoRxzkHLjbtr5rin89DeUKchYYi3/irOlf4B/TTmvor1 YHZScSAjL+NYuSFKrIB4EnsGfNfgP3oAcfETzUM9KcpBGWkf22MRHyL50gam656j 0wIDAQAB -----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 288855917944469982804533561398888946738690 . . . . . . . . [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 2019-09-27 23:38:54 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-26 23:38:54 +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 'cristoff.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 25801614056149575911770837037523618915854941976963953373065728708139248349465868296946024082242322995768302083707321397113230352368151279003363811410496549959548740454814548270097685874162038746262484344341739262543252848504878535301938389353252336651650536474744166199786967730563662109527042083682730058095619389638616950740157185203152493293291795638316486354056690261368725542129459273799512344339409841372731363035790032332451928430563911367911095161027504845999010569406741227875782619077146859618708950249156028133722863849075980184011664868893571102039867938800447248908411246608627863288989732350734205101011 . . . . . . . . . . . . . . . . . . . . [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) 47248c7aa2d5c88b79271448d0dd30c5010260f7 . . . . . . . . . . . . . . . . [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 (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cristoff.app' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cristoff.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) 00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016d754e62cd0000040300463044022069b96e03c43fd64db4bb4050cf804ed03924df36ad49d3a7ced8ceb8f4099191022032f33d053582a2479482d8b2ed095430e546636010747c2b2b66342ae13cea6700760063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016d754e62bf00000403004730450220540ae957fddc627e088896be41ae38b4efaed21e468731861904b18f3ea9181b022100cbf5b867d361b1785e313846ee95e67ecca1d19f5de0a7327fa9376c215991f5 . . . . [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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