f4u5t.de

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:14:fa:4a:a2:8c:79:63:67:17:9d:23:7a:87:53:4b:d2:d1 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=f4u5t.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:14:fa:4a:a2:8c:79:63:67:17:9d:23:7a:87:53:4b:d2:d1
Serial Number (int): 94250627795972642861613341094999883502289
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: df:78:ae:8c:3f:b3:20:7a:9d:d0:11:0e:f8:18:5d:08:40:d2:e6:32
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b7:03:6b:95:5d:d6:33:fe:bb:bf:e2:c4:5c:6f:98:fb:58:4b:f7:19
Fingerprint (sha256): a6:a7:5b:2b:67:67:b4:6e:36:e7:20:17:53:f5:58:a3:38:94:87:b0:93:c9:78:3f:60:97:cb:85:eb:83:23:cc

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate f4u5t.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for f4u5t.de

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

f4u5t.de
www.f4u5t.de

Other certificates including the domain name f4u5t.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for f4u5t.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAy6OyrfZ0IpC9JydpySxu
r/N9xQtmn8cXWflDj+MaUIrhpMuHZAvtrSFgJ07LQiKPJyVVmkSmACKkDhc1zqcs
hP69pd40v5SETQ7S2SEQJd5vjrrP9KG9f2Tbcaq2+RJpBIp0aLjsgRQnYGxMkaCz
9yCCUItUaEybf6InXmXlqpdsJVVm8h4IXU3vgDdp4mqMfmYHqnkGviRF2c/AEtZV
Be5fTOh/LJNcDkkPrgnlj2Ru2s7r8Os6YlO/kXPdlVUxOhdKFuHkQ43wrtdhyYjQ
m+3g+Zc8cuhxgWoGn+r6usWzpzwshGhX8oUWN0H3UOUcOLaUDWUlnhda5tBHzJFg
YiDn/UynhL0X5yn2hXQlMxo/x6hsL7gS9yYBBjGFwhN3QswhN4aOAN1yXr7gNGqI
TGL0lTrX2Z+dXJpgNPBD7MFb+PbKwoiDrUdNTRz9UU1du0QbF6QoP8MvaCI9Y5N7
iHy7D+yX7e6wnx0FD6tEHwwzS4/hSkmNX0i+nT96egNaoOi1okueASl69tmZ9mBb
2EQYvFMYhrEyacYsHRBQxka+8m10sPtY47TqLs+Ae1q4VLGOMnvnkS99Efp/y+f5
n0jt4N0gdfxoa9SiCjZYiZoZI78la5JhZwLdrF4miI+0bpvmFglcdkWRJhE70fCJ
og/hUkPL6UxRRLXKGGkMMAUCAwEAAQ==
-----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 94250627795972642861613341094999883502289
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-02-01 09:56:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-05-01 09:56:00 +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 'f4u5t.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 830776454557525240575360559598015609923155047698127291829314895091166076488191011823011056627286212855071496429418709754553751328833581902004860304138091342769752478484012318917956747258825479497374923782786650332433746516210372431112327418359040171572514821888087139077782202539423497623292740330535747002146216076030627715755513727498773711044539601043932334561961101476896796057505586576802598955917930261501008769523085138228012491917721205077855541661882573616639942649774253926403097036814997449977548530394797370617251589118729294380702571124039084975517352796196932737888898257390479010317247852944471993695217246431147050372938772394674928015949068818049675672825713186177507759800719849330681958741661295805714618455587985680410947133689488025541556043118728311057795412277554965575266872641193210771663854424722624451720139776156935725658620458453303382528531821355724928692292713237829791666049672492877243758135323735818885740438161539038298872094844753663117498378458844496566942821946516290028900550856772594548953664985326887564804136686899092099127845891736060988857300197595677979416923954705305217685544061207262443292884938208449548925372928748233708666092572217604626220602284165401558674549633412053000235266053
 . . . . . . . . . . . . . . . . . . . . [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)
							df78ae8c3fb3207a9dd0110ef8185d0840d2e632
 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'f4u5t.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.f4u5t.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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