data-bb21a2f11b.travelbook.de
Issued by R3
About this certificate
This digital certificate with serial number 04:29:3c:e9:a5:2f:8e:2f:e2:ec:68:a4:58:40:48:38:fc:f6 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=data-bb21a2f11b.travelbook.de
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:29:3c:e9:a5:2f:8e:2f:e2:ec:68:a4:58:40:48:38:fc:f6Serial Number (int): 362481687606079910158925626628262342491382
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 74:50:46:53:d6:a4:b5:48:05:04:36:f5:5a:70:40:c9:57:15:fe:1b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): b6:8d:89:01:9e:b8:6e:15:50:7d:f8:82:b7:12:14:ea:30:d5:21:c8
Fingerprint (sha256): 22:e3:cf:ed:96:52:f7:74:d3:01:e0:ee:b9:b8:c6:a4:f2:51:ba:c3:3e:eb:c2:e5:4c:a8:7d:77:48:3e:91:3f
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate data-bb21a2f11b.travelbook.de
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for data-bb21a2f11b.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
data-bb21a2f11b.travelbook.de
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(limited to 100 certificates)
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travelbook.de
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*.myhomebook.de
link.mailer.travelbook.de
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data-bb4ada6163.travelbook.de
m.travelbook.de
travelbook.de
stage.travelbook.de
data-bb4ada6163.travelbook.de
blogstars.travelbook.de
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*.email.travelbook.de
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kmp.travelbook.de
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m.travelbook.de
m.travelbook.de
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blogstars.travelbook.de
m.travelbook.de
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cmp.autobild.de
m.purmail.travelbook.de
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image.travelbook.de
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m.purmail.travelbook.de
*.travelbook.de
wetter.travelbook.de
productstorybundles.travelbook.de
data-bb4ada6163.travelbook.de
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wetter.travelbook.de
ast.myhomebook.de
stage.travelbook.de
kmp.travelbook.de
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escapes.travelbook.de
data-9e4f40dc7c.travelbook.de
blogstars.travelbook.de
m.travelbook.de
*.myhomebook.de
m.travelbook.de
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data-9e4f40dc7c.travelbook.de
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*.myhomebook.de
kmp.travelbook.de
m.travelbook.de
travelbook.de
travelbook.de
stage.travelbook.de
kmp.travelbook.de
wetter.travelbook.de
data-bb4ada6163.travelbook.de
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cmp.autobild.de
stage.travelbook.de
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blogstars.travelbook.de
m.travelbook.de
image.travelbook.de
productstorybundles.travelbook.de
*.techbook.de
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data-bb4ada6163.travelbook.de
cmp.autobild.de
data-9e4f40dc7c.travelbook.de
*.myhomebook.de
*.stylebook.de
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data-9e4f40dc7c.travelbook.de
travelbook.de
m.travelbook.de
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wetter.travelbook.de
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link.mailer.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
www.travelbook.de
kmp.travelbook.de
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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data-9e4f40dc7c.travelbook.de
blogstars.travelbook.de
m.travelbook.de
*.myhomebook.de
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data-bb4ada6163.travelbook.de
Certificate
The complete raw certificate details for data-bb21a2f11b.travelbook.de in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEFDCCAvygAwIBAgISBCk86aUvji/i7GikWEBIOPz2MA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDAyMTkwMjQ5MDhaFw0yNDA1MTkwMjQ5MDdaMCgxJjAkBgNVBAMT HWRhdGEtYmIyMWEyZjExYi50cmF2ZWxib29rLmRlMIIBIjANBgkqhkiG9w0BAQEF AAOCAQ8AMIIBCgKCAQEAz/aY1YxBflWd6Y9DABvUnI8pmK0sHLTwIMFlT+kjq132 YAmJqe7XCiQS5QCYOcGvTxCoRTmJG965d4fey82v1C18CqalwAU+WObRUOW51aGX 29wIiPZl9CttPLs9O2UqSLS7z6149xLoXoxWCHVmQhLFitSag5HahmW0i5CGon1X NKYOXkugoRJ2twnh6DvHlFGR5qdHq39Oa+m966FcpF71flkCAtsSexOR2wHnNwHk NjaMyKC8mBovoFno51dm0yex1uSZNxtwMDL1mIFNRnD1+CeD8HuDXujiITUWanv3 G0MlHwKZTGyoup5RXJNo8SretZeW6/l89TePGbhIwQIDAQABo4IBLDCCASgwDgYD VR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNV HRMBAf8EAjAAMB0GA1UdDgQWBBR0UEZT1qS1SAUENvVacEDJVxX+GzAfBgNVHSME GDAWgBQULrMXt1hWy65QCUDmH6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYB BQUHMAGGFWh0dHA6Ly9yMy5vLmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDov L3IzLmkubGVuY3Iub3JnLzAoBgNVHREEITAfgh1kYXRhLWJiMjFhMmYxMWIudHJh dmVsYm9vay5kZTATBgNVHSAEDDAKMAgGBmeBDAECATATBgorBgEEAdZ5AgQDAQH/ BAIFADANBgkqhkiG9w0BAQsFAAOCAQEAkxauGqsO71GbAuWZa1o0lurgXMom3/TE tWwRvfNl8wUTmCl4fQG2ddnOzlClERDTeZOgoP8YMfJUf1vwLq5RWpHwxKAAfodt bzxaQ8OzipqMPhtxtlFUr0+YRJl1LCOWkbSPw3jWlSXHfXJGyIwpTt/+VGxH8BGp O01p6xcWbmZxY4WkxeDcUQTTRyFqMHoPvLYdrjxVq5e5fy6IrPo50y2MULmPGovz D0CvLK2w5JI/WWbcMGz+fluljsO5v9ciJzZMszXdrMJt3wQB4voNZTwIXMRvkIYH s5Z5qUlq4nhd41iv0Exp4wxgjlH7HTmqNiDVkLBIJN6ebloccSMbDA== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAz/aY1YxBflWd6Y9DABvU nI8pmK0sHLTwIMFlT+kjq132YAmJqe7XCiQS5QCYOcGvTxCoRTmJG965d4fey82v 1C18CqalwAU+WObRUOW51aGX29wIiPZl9CttPLs9O2UqSLS7z6149xLoXoxWCHVm QhLFitSag5HahmW0i5CGon1XNKYOXkugoRJ2twnh6DvHlFGR5qdHq39Oa+m966Fc pF71flkCAtsSexOR2wHnNwHkNjaMyKC8mBovoFno51dm0yex1uSZNxtwMDL1mIFN RnD1+CeD8HuDXujiITUWanv3G0MlHwKZTGyoup5RXJNo8SretZeW6/l89TePGbhI wQIDAQAB -----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 362481687606079910158925626628262342491382 . . . . . . . . [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 2024-02-19 02:49:08 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-19 02:49:07 +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 'data-bb21a2f11b.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 26252930645007199681324073787301826100873435275559943489443532820907477412467828787311858171331921633975928623593700472774740792860139317954686378429531382462783809724304963208101219549351955791829132892181328028592104545713294266096882497794959916551287536623440493089627815101649002932095429202349538670131112565219066910944773384484254605635244696443224788721390466190140622642536770239969999203633103374795519814931233366288287625486936797917164808845529408927215123180998174474082642791149948596107396456064091545383574972541885373229418794853923600911850015051805415199161310792022619370285093889293084591147201 . . . . . . . . . . . . . . . . . . . . [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) 74504653d6a4b548050436f55a7040c95715fe1b . . . . . . . . . . . . . . . . [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 (33 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'data-bb21a2f11b.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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