www.internet.schule

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:93:4a:09:25:16:1c:5b:63:31:ae:14:dd:30:bf:0a:a3:d2 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): 04:93:4a:09:25:16:1c:5b:63:31:ae:14:dd:30:bf:0a:a3:d2
Serial Number (int): 398569062018979702275036123663583951889362
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ff:d9:0a:2c:f8:f3:75:cd:b0:5b:b2:96:6e:8d:7c:e0:c7:09:f9:92
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 94:bf:8a:ea:41:72:cb:32:f6:19:3c:0d:54:dd:b2:ba:41:8d:36:e0
Fingerprint (sha256): eb:30:54:fb:bf:5f:f8:1b:15:b5:b1:eb:84:af:d4:30:a4:31:cb:eb:1b:07:e2:5d:c1:ca:89:db:60:f4:34:7c

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA98FdAljNXtT4Jwxooxuy
4FLQP7UwcXuN+vtlk1/5CV3jdPpQqOiwFof9P7t/KcAisgICu48hgnEGFqpCorm4
/pzuR+Qg+3/u53QbSpzIPA4aC6r95yoVISoTy/tlpCR9QfqTe/evJXxkiXzqa1Rd
UZmU0jrG4f6UeCo2TB1df3NNA0QW3TO9BTHP/sXj8vftvkY1Dnz7amZ38gJkMfOZ
WIkf3VLAxwf+OTNCUc8lVqXOFq9oRNUCbgZFne1nh5y18eHmKSYuoY8WnpKcsu5G
ySoit6i7dqWlNaxIzfPdbPVzzHw3hOZuS7v2goKp0vqNOl3aC3MQi+ELgnNBezhE
Hh/U+RvUtFaylwqVPQ8hX52dveMFtJWbTtBxD0JBMVOdSLgFz8u8obkvI5vX2Fyv
8IdG6L1oIFj5+f7pOEE32PEvit4iNXEkBVAU98816g79E1kzaOao5vT/jk4raFff
l40QqOeLm8rCUpm2Qlc2QqpjTp7mlxwqcwTKy5qvBeGz2xSy7msDdwVi6w74MXHZ
EZo2Y5q4dowRHZkwGscMyQTRXTKGVEPNaqq1xG4t/g2ZLssGjb9CYGUa1BTQN4B2
W460iThXIQRRvETaniyzFLohl0opvbcT0LTvOUDqBHato7Y7gnCSoyqzyZR3Jiw9
rp23tDUlJTyApz78/TFtAHUCAwEAAQ==
-----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 398569062018979702275036123663583951889362
 . . . . . . . . [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 2019-10-12 23:26:18 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 23:26:18 +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 1010753543822139276619414930174930776565303862959886502412274580832603921674403347763480497145894977695329318072617135296093599823259947936440464325088126534729687622290555905046914166307572194575564047430048665034467834012352051490288833767303650153191453890229288837771080988770511553193431433777369261847684280744362804879069747835945253640638030058190425179456258025005229838756050782344577336625928483463048069883389188864914913603656479153196038400869523369872778598284486478561609756178631009221474888755128862062063956764862757508944651878718759565754684509511848366185134122177693017691839438752902125258445380273960701888618421078875582938953807790829653051515408368855398984441870173097367313789295688508820178408098000808685807182264344277690348198360578008270461648013682993937161484812649335306293010770861707048089742843010839848960360707400104853875865608210347480787654303306808187475733953976526875709354034330263010921169274611540090763454694806302350115571026753590640469046880311778539588080420320171587028418031950022416126591247803090841875195184075814799896782850602787008352716484421816581188039524738987274383871478167711150078129796483136152281929247777826569927362623120289693280494893501302836947231506549
 . . . . . . . . . . . . . . . . . . . . [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)
							ffd90a2cf8f375cdb05bb2966e8d7ce0c709f992
 . . . . . . . . . . . . . . . . [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)
							00f0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc2823fd6000004030047304502203ff15651f0800d3acff6ca290a547bdd2522bcf700ca8747324e8ce014286935022100cf01871f504bf4d13ea13e7cf0cf09edfa30f263cf677e40f7bab8d0c63c3253007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc2823fec0000040300473045022100ad091bdef6cbe6b267c16c34186980c43cf6b3b73f35f15a5b5077470f0d92cf02207f33dda8fbe93b360dba8cd0f1b9172f9ac2320aea6606b0d96b1884345cdc92
 . . . . [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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