www.dulak.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:eb:c3:31:ea:85:9d:f2:77:25:b0:bc:11:1d:ac:c5:c8:64 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.dulak.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:eb:c3:31:ea:85:9d:f2:77:25:b0:bc:11:1d:ac:c5:c8:64
Serial Number (int): 428674958591855727440293881212199674169444
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7e:0b:10:ce:8e:62:06:d2:51:0e:b8:d0:bb:20:66:a9:2d:09:08:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): d9:35:a2:bb:f4:12:55:20:41:c4:ff:d0:9d:c6:04:28:80:bd:09:45
Fingerprint (sha256): b0:23:8b:a4:00:bd:be:30:12:0d:d1:a5:c5:d0:59:d6:ef:81:da:4a:6d:f9:27:37:e3:a4:7b:1e:b6:8f:e0:57

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.dulak.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.dulak.de

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

www.dulak.de

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Certificate

The complete raw certificate details for www.dulak.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFUDCCBDigAwIBAgISBOvDMeqFnfJ3JbC8ER2sxchkMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAyMDUxODUyMjdaFw0x
OTA1MDYxODUyMjdaMBcxFTATBgNVBAMTDHd3dy5kdWxhay5kZTCCASIwDQYJKoZI
hvcNAQEBBQADggEPADCCAQoCggEBAPTRBgqKmLs/LdycWzMaPyI0uGleHAozM03N
E6eHDbzLIlUrRyopNp4ybWeh8n7KbsodU4OEkoaiBGtBTItpO4SXTAX3DXLKSlCd
GPcQO68wxRW9AAfqYogGRt+JNFZqmH4jI4lroHnuIcOZ+4UhIUb0kCCu+02sy6A6
mMaMOFvFbt7XtwGgtnqutV5uX0ABqPRjpbJJNlUk9LcBqhFYbqqRn3gxv1Rmsfp+
NSvWsaBWY5lujzBmoDvShy4sijQQt/c1Z0/+f45B7uYGcaVJIk5e3u3zZ4yoyswj
J3VfR8RUz5WBTTwhQVX4cKV92gqGnhUWGrwgd3FxFMhHCol4oYUCAwEAAaOCAmEw
ggJdMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUH
AwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUfgsQzo5iBtJRDrjQuyBmqS0JCBcw
HwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYIKwYBBQUHAQEEYzBh
MC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0c2VuY3J5cHQub3Jn
MC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0c2VuY3J5cHQub3Jn
LzAXBgNVHREEEDAOggx3d3cuZHVsYWsuZGUwTAYDVR0gBEUwQzAIBgZngQwBAgEw
NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j
cnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdwDiaUuuJujpQAnohhu2
O4PUPuf+dIj7pI8okwGd3fHb/gAAAWi/OApLAAAEAwBIMEYCIQCfriGSWoE/H4C0
po/CJqia3P76JsNj2G0DSij2Tu6p8QIhAKgAMTWMM+FYbQpCl2W/mtIl3Z17YPl4
UgTTD9+9JuOiAHUAKTxRllTIOWW6qlD8WAfUt2+/WHopctykwwz05UVH9HgAAAFo
vzgMSwAABAMARjBEAiBWAVsCNQQgLwQDVw6L4s9aYM3ytWBhWcAD5ynef9kPPwIg
MNhU8BXEz/Xs3pw1UaJanU3pal3JlCRApEfp4b75ChowDQYJKoZIhvcNAQELBQAD
ggEBAEj8bAbh4OC5w2pnvUo2i8vJD9A8B9McEpFMNcKs+dD+Ki8BxGAMdHjQyyD0
7Ef7vLzLAc+ZKIrBlIm+w7MCSC3quV1w067kTX+5BSRlNR7zQHqfFu5ju9KsQEX3
tQoRWB8Csb1IsFUSBEkkqofKA6oql6yhjYFG65BbYueoUozBCoOZtZ8ezK5w1EKv
qBR0hbAZC7DQZy4HVSCSfuSJJkdo74kAolNFhaXz92NtO8We+NQbne7lcGXPnZzX
1r/fXWRNJ3x30evsz6J8RMIE240KhHEQDYjlNd4ArR80qtLyGLZT4TCfAN/87MGy
9ZsimreYkd3vY2/OSrA+XikLK2U=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9NEGCoqYuz8t3JxbMxo/
IjS4aV4cCjMzTc0Tp4cNvMsiVStHKik2njJtZ6Hyfspuyh1Tg4SShqIEa0FMi2k7
hJdMBfcNcspKUJ0Y9xA7rzDFFb0AB+piiAZG34k0VmqYfiMjiWugee4hw5n7hSEh
RvSQIK77TazLoDqYxow4W8Vu3te3AaC2eq61Xm5fQAGo9GOlskk2VST0twGqEVhu
qpGfeDG/VGax+n41K9axoFZjmW6PMGagO9KHLiyKNBC39zVnT/5/jkHu5gZxpUki
Tl7e7fNnjKjKzCMndV9HxFTPlYFNPCFBVfhwpX3aCoaeFRYavCB3cXEUyEcKiXih
hQIDAQAB
-----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 428674958591855727440293881212199674169444
 . . . . . . . . [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 2019-02-05 18:52:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-06 18:52:27 +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.dulak.de'
 . . . . . . . . [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 30905219789661547568758688008645505162509807390452951618958821125074093870633573038927608507442329559798350317158420778341019633288245901481777395829667260933344688799697658588625917255681200240774615461920762814477669958204072552226862607887322219618306666590953506595026725094630629534615577223146439232844405442079716260924653690604897829064498968743159602522666246605145667942823844405307100411117652543816143504966799695174082550857849422212791607193486887755214756707028813816809313691696686655800687058560770272635539481383780382963091440778946836672582598203864561130256813258873949517636816535034905692250501
 . . . . . . . . . . . . . . . . . . . . [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)
							7e0b10ce8e6206d2510eb8d0bb2066a92d090817
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dulak.de'
 . . . . . . . . . . . . . . . . [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)
							00f0007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe00000168bf380a4b00000403004830460221009fae21925a813f1f80b4a68fc226a89adcfefa26c363d86d034a28f64eeea9f1022100a80031358c33e1586d0a429765bf9ad225dd9d7b60f9785204d30fdfbd26e3a2007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f47800000168bf380c4b0000040300463044022056015b023504202f0403570e8be2cf5a60cdf2b5606159c003e729de7fd90f3f022030d854f015c4cff5ecde9c3551a25a9d4de96a5dc9942440a447e9e1bef90a1a
 . . . . [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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