www.internet.schule

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:11:14:de:1f:5f:92:ee:bf:7b:ba:a5:c0:89:2d:6f:d9:73 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.internet.schule

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:11:14:de:1f:5f:92:ee:bf:7b:ba:a5:c0:89:2d:6f:d9:73
Serial Number (int): 354261681850842080106654853240116393007475
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 29:29:8d:cb:e6:cc:26:e0:14:8a:21:07:3b:a6:7e:c0:9a:2c:e8:29
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 1e:ff:50:55:9b:50:97:3d:ab:4a:6a:53:b9:55:ad:8b:b7:d7:f1:52
Fingerprint (sha256): 03:ed:d7:f7:08:6b:42:cb:f6:8b:64:38:6a:b6:f2:20:11:b9:b5:80:64:97:4a:a8:58:db:30:39:cb:ae:56:af

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.internet.schule

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.internet.schule

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.internet.schule

Other certificates including the domain name internet.schule

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.internet.schule 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 354261681850842080106654853240116393007475
 . . . . . . . . [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 2019-12-17 10:09:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-16 10:09:39 +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.internet.schule'
 . . . . . . . . [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 787556096159992114063024982446850771690675731819278629757285510969344809643867791514566910219249501891846379961049976583772651874557108573241399252470861760115638482810299080733266560703599501969636617587370283997775883398690135148357615152051573601412892146752910529293634520799799698075739715163797206909507498022174270402082874787090723030155440710016922322069957244485030737616319532655669043489161702518527907838795681141891517813206286236299172143929508093796170761574969355995822777485389398767924182879350321473218429861446898554790713523834522287333992802117672662686891566080995218259394203955579270126410935699210197338028243322483773869696438471979192403898879747958603060129052402575719960111875225140183329915606884294053464807204358226804905792773748765559859507562787275689695219563476527072720718381831915991367935568907203823366416915364920317697724404770342015161663806693654741182804185976474633964814314386729238692851452902170664850608737873699948166455070436593496871394743205788505400717280393639744013468248980984896109802444939030445672298883953196979197937862335273575901492371128959661553115677387894100648553971767758454693308516433347902178945242888241218413742873099400013888680789061446712193753312739
 . . . . . . . . . . . . . . . . . . . . [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)
							29298dcbe6cc26e0148a21073ba67ec09a2ce829
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.internet.schule'
 . . . . . . . . . . . . . . . . [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)
							00f0007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f138c9b0d0000040300473045022052d3b0e6cb53f15173f09f67d748fcc515872a41ff657528f7f7d5bbfb137cde022100f590490cb7f0cb18e37c221bc49e0d359177b3f7706fbb666b4b87d09882338900760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f138c9b3b000004030047304502210082f780aa1450ca70af827ce5a5b48a1c54e660a55f08fe9b70925968b205612a0220578d70efe23aa50f8c862f9973c2f1ac1003694a12571913171d8ff3578eb87f
 . . . . [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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