ctf.burda-forward.de

Issued by R3

About this certificate

This digital certificate with serial number 03:43:00:5f:17:e4:75:17:82:0d:41:a0:4d:e3:5e:de:52:20 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=ctf.burda-forward.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:43:00:5f:17:e4:75:17:82:0d:41:a0:4d:e3:5e:de:52:20
Serial Number (int): 284136270131780857903378324145564135871008
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5d:ef:f9:b6:17:25:cd:bf:b8:30:8c:df:f6:9b:92:68:ef:17:a3:35
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 08:b6:eb:d2:a5:0a:12:c0:0b:5a:1e:6c:94:2d:06:2c:bd:d4:f0:2f
Fingerprint (sha256): 07:2f:6a:b7:37:e5:b1:44:41:d2:5d:8b:4d:4f:50:91:68:7d:28:a6:4e:07:93:d7:5f:19:b6:d1:d9:91:4e:8b

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

Revocation information

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

Check the revocation status for certificate ctf.burda-forward.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ctf.burda-forward.de

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

ctf.burda-forward.de

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login-sandbox.burda-forward.de
mms.burda-forward.de
cmp.bestcheck.de
bf-ctf-production.aws.bfops.io
newsletter.burda-forward.de
autodiscover.burda-forward.de
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bfops.io
login-staging.burda-forward.de
bf-tools.net
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newsletter.burda-forward.de
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events-lp.burda-forward.de
autodiscover.burda-forward.de
newsletter.burda-forward.de
login-staging.burda-forward.de
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autodiscover.burda-forward.de
events-lp.burda-forward.de
dashboard.burda-forward.de
newsletter.burda-forward.de
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autodiscover.burda-forward.de
selfpublishing.burda-forward.de
bunte.preview.advertorial.burda-forward.de
bf-tools.net
cmp.bestcheck.de
newsletter.burda-forward.de
newsletter-en.burda-forward.de
newsletter-en.burda-forward.de
pickup.burda-forward.de
login-development.burda-forward.de
autodiscover.burda-forward.de
bfops.io
events-lp.burda-forward.de
mms.burda-forward.de
events.burda-forward.de
mms.burda-forward.de
events-lp.burda-forward.de
editor.burda-forward.de
bf-tools.net
cmp.computerworld.com
newsletter.burda-forward.de
newsletter.burda-forward.de
events-lp.burda-forward.de
newsletter-en.burda-forward.de
bf-tools.net
autodiscover.burda-forward.de
autodiscover.burda-forward.de
cmp.computerworld.com
newsletter.burda-forward.de
mms.burda-forward.de
autodiscover.burda-forward.de
events.burda-forward.de
www.burda-forward.de
pickup.burda-forward.de

Certificate

The complete raw certificate details for ctf.burda-forward.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEBYevo8J24nXdci1VgdzRAIE0MEgg
3AikiJ3BkFtHB3mp1QJcYtW9Co69aFpgCPMEhRQP0sfuIqFXKByb6oBTsw==
-----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 284136270131780857903378324145564135871008
 . . . . . . . . [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 2023-02-14 10:54:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-15 10:53:59 +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 'ctf.burda-forward.de'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00040587afa3c276e275dd722d5581dcd1008134304820dc08a4889dc1905b470779a9d5025c62d5bd0a8ebd685a6008f30485140fd2c7ee22a157281c9bea8053b3
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							5deff9b61725cdbfb8308cdff69b9268ef17a335
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ctf.burda-forward.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)
							00f0007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001864fc64a7f000004030047304502202bb1b36acd8aca7d60ac5b058e24fa337179acb4e4e534fdd81d1b8dcce8b138022100fb6043c23e65034189850466fb068e7c088d84d362632c9b11945e97b2d2cf57007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001864fc64ac30000040300473045022100da0803f96f48388276ee30f45fa3c5df9ddf3cfab410ad7c3aa769d2c9989bcf022030a9c5babb9a9f02747d9ad73cb2cb1015f8fa9143509249670951c861a1f33b
 . . . . [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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