kmp.travelbook.de
Issued by R3
About this certificate
This digital certificate with serial number 04:01:29:ba:e9:84:5b:62:1a:ba:94:1c:3a:13:cf:fb:48:a1 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:
- 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=kmp.travelbook.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:01:29:ba:e9:84:5b:62:1a:ba:94:1c:3a:13:cf:fb:48:a1Serial Number (int): 348844894945292630918256396777716054706337
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 66:d4:72:92:d6:d1:e3:bd:db:00:7b:cd:ce:6f:7a:a3:f7:70:1b:ff
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 27:7e:b8:f4:b7:9a:44:fa:69:da:6f:97:81:64:31:e5:40:4b:64:07
Fingerprint (sha256): 22:d4:42:e9:1d:a8:c3:69:46:8e:45:45:e1:9f:7d:fa:a2:62:8c:52:e3:52:42:0a:d5:07:42:8a:10:9d:87:b0
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate kmp.travelbook.de
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for kmp.travelbook.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
kmp.travelbook.de
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m.travelbook.de
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stage.travelbook.de
data-bb4ada6163.travelbook.de
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*.email.travelbook.de
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m.travelbook.de
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m.purmail.travelbook.de
*.travelbook.de
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productstorybundles.travelbook.de
data-bb4ada6163.travelbook.de
travelbook.de
wetter.travelbook.de
ast.myhomebook.de
stage.travelbook.de
kmp.travelbook.de
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data-9e4f40dc7c.travelbook.de
blogstars.travelbook.de
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stage.travelbook.de
kmp.travelbook.de
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data-9e4f40dc7c.travelbook.de
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data-9e4f40dc7c.travelbook.de
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m.travelbook.de
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stage.travelbook.de
data-bb4ada6163.travelbook.de
blogstars.travelbook.de
escapes.travelbook.de
*.email.travelbook.de
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stage.travelbook.de
m.travelbook.de
m.travelbook.de
travelbook.de
blogstars.travelbook.de
m.travelbook.de
travelbook.de
cmp.autobild.de
m.purmail.travelbook.de
wetter.travelbook.de
image.travelbook.de
m.travelbook.de
kmp.travelbook.de
data-bb21a2f11b.travelbook.de
escapes.travelbook.de
*.travelbook.de
travelbook.de
travelbook.de
m.travelbook.de
m.purmail.travelbook.de
*.travelbook.de
wetter.travelbook.de
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ast.myhomebook.de
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blogstars.travelbook.de
m.travelbook.de
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Certificate
The complete raw certificate details for kmp.travelbook.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIID/DCCAuSgAwIBAgISBAEpuumEW2IaupQcOhPP+0ihMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMzEwMDYyMzQ2MDZaFw0yNDAxMDQyMzQ2MDVaMBwxGjAYBgNVBAMT EWttcC50cmF2ZWxib29rLmRlMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC AQEA6IfRSQR7D0wLeVuKDCtLIywNKfzkWJbbWGEi/q93pCVQasac88MBtu7YpT1U pI1Q3MnOiJbSJRhull2I7/CSzYlgMH58p2kkTuhddcXtuonuxd0lgJeKJ/VmSNC/ Y5d0M6d4BQkFzZ1cIfd/ira7wgd+/9g8U9bsbv0dd8tnrPhOh9tlixBR0++KuKoE aNazzloxXq1iWknfiROHhbfCtwZ6eLuMc/6u/daukbzob4+lxu8sAIvFTAo7oIwE TwPx+cxtmUWDwTJ2w7Q8IUn2wtGIwEpNs8qaBNUhNsU3H+vFQEw+uYEMcV//y4Wx JsbmIJTq/GpyXK7duUPSIYAt0QIDAQABo4IBIDCCARwwDgYDVR0PAQH/BAQDAgWg MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0G A1UdDgQWBBRm1HKS1tHjvdsAe83Ob3qj93Ab/zAfBgNVHSMEGDAWgBQULrMXt1hW y65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6 Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iu b3JnLzAcBgNVHREEFTATghFrbXAudHJhdmVsYm9vay5kZTATBgNVHSAEDDAKMAgG BmeBDAECATATBgorBgEEAdZ5AgQDAQH/BAIFADANBgkqhkiG9w0BAQsFAAOCAQEA kvyk9L5+yjngspDzSg01rtPsMedp8h5dbNbRWVG/SRYhZd98yx9fFPDH6m9gMjbO PHzbh0njz/f+SEFBQqpySyCAEw/jY5wF0GYSDVCioyZgCZ21ufkXw1Vr5l+Wv01a XcGxwr54nBbQvolhl/M88hhFkfUuHdFdmo0cmJkTZHjEHHdh/tYpqICgJXQ4OCKW mqoo8/Ypzjtw9NVHnblOl+0OOvbblx2ruu5MYR+LhMXtlWci12TPA/WrVT6D+doQ 4kh/0duEmWp4R+b7iLjwWiWmyeZ+31ESVJ9rq2wGwrPoW90jRIwPH6LNpsNptcQv Mb0r7N2+yUuMlSafFQz9+A== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6IfRSQR7D0wLeVuKDCtL IywNKfzkWJbbWGEi/q93pCVQasac88MBtu7YpT1UpI1Q3MnOiJbSJRhull2I7/CS zYlgMH58p2kkTuhddcXtuonuxd0lgJeKJ/VmSNC/Y5d0M6d4BQkFzZ1cIfd/ira7 wgd+/9g8U9bsbv0dd8tnrPhOh9tlixBR0++KuKoEaNazzloxXq1iWknfiROHhbfC twZ6eLuMc/6u/daukbzob4+lxu8sAIvFTAo7oIwETwPx+cxtmUWDwTJ2w7Q8IUn2 wtGIwEpNs8qaBNUhNsU3H+vFQEw+uYEMcV//y4WxJsbmIJTq/GpyXK7duUPSIYAt 0QIDAQAB -----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 348844894945292630918256396777716054706337 . . . . . . . . [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 2023-10-06 23:46:06 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-04 23:46:05 +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 'kmp.travelbook.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 29354260867598584174922896278681984396819057010585884897782640082485543514058362551652784146811429396893295091462615505466147503445613011859679186583040460673925565717553183229504828604347544297019534137506829396984206530342784454476208999647295514866495106908181466282864454307895908847141202333409441632431972224679444228680611473149671939234507375441467559572920047636895914861592933242503890949619934539596590432549855842340682588098166620372335079289411446403819341944375854459606970300828928314030253529886465719139137822755994519112832064140036797079163665010960517420630500943388993427613464057451313081888209 . . . . . . . . . . . . . . . . . . . . [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) 66d47292d6d1e3bddb007bcdce6f7aa3f7701bff . . . . . . . . . . . . . . . . [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 (21 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kmp.travelbook.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 (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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . [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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