travelbook.de

Issued by R3

About this certificate

This digital certificate with serial number 03:3e:0e:39:2b:d7:42:b0:85:d0:42:e6:7f:d9:06:f7:74:3b 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=travelbook.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3e:0e:39:2b:d7:42:b0:85:d0:42:e6:7f:d9:06:f7:74:3b
Serial Number (int): 282453270586439157293094011137132292699195
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 23:82:9c:3e:18:78:38:fd:a8:2e:4a:22:d3:48:68:9b:6d:13:b4:b5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 79:1b:fc:25:6d:22:a9:50:33:ed:90:2a:4a:fa:45:73:47:55:f8:65
Fingerprint (sha256): 0c:17:9e:85:0a:8a:4e:7e:92:fc:59:5f:2d:8b:12:62:94:98:e1:e9:60:3c:9f:a5:6d:ea:e9:ae:c8:ef:b7:19

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

Revocation information

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

Check the revocation status for certificate travelbook.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

travelbook.de

Other certificates including the domain name travelbook.de

(limited to 100 certificates)
ast.myhomebook.de
travelbook.de
tortuga.cloud
cmp.axelspringer.com
data-9e4f40dc7c.travelbook.de
tortuga.cloud
*.travelbook.de
*.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
stage.travelbook.de
cmp.autobild.de
stage.travelbook.de
travelbook.de
travelbook.de
tortuga.cloud
blogstars.travelbook.de
m.travelbook.de
image.travelbook.de
productstorybundles.travelbook.de
*.techbook.de
m.travelbook.de
data-bb4ada6163.travelbook.de
cmp.autobild.de
data-9e4f40dc7c.travelbook.de
*.myhomebook.de
*.stylebook.de
m.purmail.travelbook.de
tortuga.cloud
cmp.autobild.de
cmp.autobild.de
data-9e4f40dc7c.travelbook.de
travelbook.de
m.travelbook.de
travelbook.de
wetter.travelbook.de
escapes.travelbook.de
*.myhomebook.de
link.mailer.travelbook.de
m.travelbook.de
data-9e4f40dc7c.travelbook.de
escapes.travelbook.de
wetter.travelbook.de
escapes.travelbook.de
escapes.travelbook.de
data-bb4ada6163.travelbook.de
m.travelbook.de
travelbook.de
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
productstorybundles.travelbook.de
data-bb4ada6163.travelbook.de
travelbook.de
wetter.travelbook.de
ast.myhomebook.de
stage.travelbook.de
kmp.travelbook.de
travelbook.de
escapes.travelbook.de
data-9e4f40dc7c.travelbook.de
blogstars.travelbook.de
m.travelbook.de
*.myhomebook.de
m.travelbook.de
www.travelbook.de
productstorybundles.travelbook.de
data-bb4ada6163.travelbook.de

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIE5zCCA8+gAwIBAgISAz4OOSvXQrCF0ELmf9kG93Q7MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzExMjkxMzQ1NTdaFw0yNDAyMjcxMzQ1NTZaMBgxFjAUBgNVBAMT
DXRyYXZlbGJvb2suZGUwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDb
VzS9eDweU8O20qQ5SkJTembmpHCtSwFDCwlMTIpMum0KXl3zGzI06UCvl3JSOGrh
aAlEmTbhEgmD9mJb2pzmweGPhy6TyYGvTIkZxt/EaRG44l88iRtp30SxoO4N7yBE
0BhcC85Xv+jlzCzd6Ih1dHyTiscvhDCYP1CYvyQHG/ma+Gd1m99GcbOZGmCUPTgt
pDvoQBAGUS+wSMekQhjmgxggUTCdJTV/6L7g+aA7l+A+f0f6RE0EtlduW9Jb+Thr
6SX2YhzDpUnLXAANFM+Lh8WfnSmd6WKUz+0WmYYEqRhc4yB2cxHf8UhyrHDt+rAS
Xi067PPMzGP5qaZfIilFAgMBAAGjggIPMIICCzAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFCOCnD4YeDj9qC5KItNIaJttE7S1MB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ
QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz
Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv
MBgGA1UdEQQRMA+CDXRyYXZlbGJvb2suZGUwEwYDVR0gBAwwCjAIBgZngQwBAgEw
ggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgA7U3d1Pi25gE6LMFsG/kA7Z9hPw/TH
vQANLXJv4frUFwAAAYwbizb7AAAEAwBHMEUCIQDXLZJpQJtbnQeIKlfDFQ62UqOF
GNvuIECOIm3oMQ919AIgTTW7tallmoWAkuMiujUEJGewsx2ng9xkIH7V3bv2t5IA
dgDuzdBk1dsazsVct520zROiModGfLzs3sNRSFlGcR+1mwAAAYwbizb4AAAEAwBH
MEUCID2igZc2dxf5K9dL5iV1qECQZjuDxR0hrqiJ9VPrImPsAiEAroAWuSwta7GP
vALqgWm2bINN2d99OD5GLbshgp1mV48wDQYJKoZIhvcNAQELBQADggEBALPmjAcI
nzjHgB+isFqQggwMXLqGGvKeRCc7I6ko8CB2d1HWwuj4SSBBjS0NQrgcNksala3p
erf3qzaAxej6j5nPtNDhmWZnliA18c0jX/t4LjZ39Zv+1inf/80Ga+B4ZuB6KoPS
X15RE2sQos0QtFR0qt0SWtFoUwO3qn0HdGFnAgtAv/u5nqCD+DZpF4S3YEHvwZl1
b8Pdd/BwQxUtlbQ8OtVYcqM8q9lVu/7tKBvIl17FfBK79qVoemcqzL4wdi5BULM/
F2DBpBGeaeE40DXx/+Ks0hy2V6n0tRN/7kfizrXJwaeDEbzYALof5EOKs4FOsS6D
fOyc3O8BT0S6EeM=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA21c0vXg8HlPDttKkOUpC
U3pm5qRwrUsBQwsJTEyKTLptCl5d8xsyNOlAr5dyUjhq4WgJRJk24RIJg/ZiW9qc
5sHhj4cuk8mBr0yJGcbfxGkRuOJfPIkbad9EsaDuDe8gRNAYXAvOV7/o5cws3eiI
dXR8k4rHL4QwmD9QmL8kBxv5mvhndZvfRnGzmRpglD04LaQ76EAQBlEvsEjHpEIY
5oMYIFEwnSU1f+i+4PmgO5fgPn9H+kRNBLZXblvSW/k4a+kl9mIcw6VJy1wADRTP
i4fFn50pnelilM/tFpmGBKkYXOMgdnMR3/FIcqxw7fqwEl4tOuzzzMxj+ammXyIp
RQIDAQAB
-----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 282453270586439157293094011137132292699195
 . . . . . . . . [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 2023-11-29 13:45:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-27 13:45:56 +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 '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 27689191676834377883987879154542913778444128891914781508478911675633690613862587389711951150172913191154289607478517712021145783832662866265820187214296516783151886211461789292533127944749153042044216193897935280190268910727601342728492609306700008847360579991491314772447729368410253142715869957535350841374697998689774797144945226357325777752112461645756606528297670638498022024412676844144471312845963828057273258366493853095819137978259949234758288021822503972373227965045072592198350089612712536386370672608235938250306777182091185691387987662267815876485177950012796205561900876148906064012116976647378567309637
 . . . . . . . . . . . . . . . . . . . . [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)
							23829c3e187838fda82e4a22d348689b6d13b4b5
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c1b8b36fb0000040300473045022100d72d9269409b5b9d07882a57c3150eb652a38518dbee20408e226de8310f75f402204d35bbb5a9659a858092e322ba35042467b0b31da783dc64207ed5ddbbf6b792007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c1b8b36f8000004030047304502203da28197367717f92bd74be62575a84090663b83c51d21aea889f553eb2263ec022100ae8016b92c2d6bb18fbc02ea8169b66c834dd9df7d383e462dbb21829d66578f
 . . . . [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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