www.fewo-duenenland.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:23:76:d4:88:d6:a9:8c:78:2f:f3:5e:93:87:f0:8c:95:99 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=www.fewo-duenenland.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:23:76:d4:88:d6:a9:8c:78:2f:f3:5e:93:87:f0:8c:95:99
Serial Number (int): 273404693083365221276072518264621143725465
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4d:d4:aa:8b:09:89:21:ba:38:ad:02:81:a6:de:b9:ca:08:92:b4:97
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e6:3e:8d:a0:ed:d2:8c:a2:44:ea:cf:06:21:14:af:5d:85:04:26:5e
Fingerprint (sha256): 44:2d:f4:49:89:61:cc:8e:2d:83:f7:ea:8d:9d:23:b7:e7:22:4f:7c:82:ea:e2:d6:2a:b1:df:c1:fe:be:e3:cc

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.fewo-duenenland.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.fewo-duenenland.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.fewo-duenenland.de

Other certificates including the domain name fewo-duenenland.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.fewo-duenenland.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 273404693083365221276072518264621143725465
 . . . . . . . . [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 X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-02 13:25:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-31 13:25:58 +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 'www.fewo-duenenland.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 882820622526391682816249399822994318649777456998230148887750182400315616305866632427639142277665517453629585190788912086369531601032479518950218229732824977836823366230402230221001163265675487329827932002809326234392399975485132759345901206067319863176988342911887600982034554315069495015507999684759655079865737944090349044399321818277372774563233037245702110398345137890390633863967568917130777649812955679851085865592652731643061267907750444254608380220259240432028374954570866402207305417495494563705392608479804335710119606920641100194886477839591127085264135286278437444162761288615162191927701449437760533800467395972235895340087005568803737538956575355735783391757335580764931381274996638303259177975304799768412642201466718602436252205005601030153020362544545048436951785489771436510187369617760591872486449047194529723184725755273657859722082182484085728760499908686182808530662200920345939932378277800780973807902594859109713343278509170103145232364364963440885798264333701134257747767087596335715545852650917333309582678859704977848165178238250055102739156062910857227696183615410753796308121842132200943656308114990795643498923543196707707570895203395420407700392643323146363564258512411020452791337742512289590497755661
 . . . . . . . . . . . . . . . . . . . . [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)
							4dd4aa8b098921ba38ad0281a6deb9ca0892b497
 . . . . . . . . . . . . . . . . [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 (99 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-x3.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-x3.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 'www.fewo-duenenland.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)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016c52b91b330000040300473045022070c47db175ec60ee15407fa7fc15f33b7ec1b6190a1c2abcd6de5ed46a9bc73c022100e46c67ed85a3b9286f6e2fcc28520aa6296b1607a909305450ad465ef08c5f29007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c52b91b000000040300473045022100ac5f036add9e454397e0e254d1d0066e662c554cfe7fb9a35264330ae123a18f02205fd48b47559d3236280ec017183e238704e9704af718b8bb5403cc332f27dfde
 . . . . [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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