ars-serendi.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a7:38:23:c6:d6:ca:03:4d:34:0d:a7:6b:dc:ec:e2:24:02 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=ars-serendi.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a7:38:23:c6:d6:ca:03:4d:34:0d:a7:6b:dc:ec:e2:24:02
Serial Number (int): 318238635602165915610531986192230382707714
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: c0:2e:8a:49:f4:1c:65:22:be:dd:c0:73:48:73:6b:6b:df:9a:63:64
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a8:f3:98:15:e0:d8:7f:a6:39:33:f2:28:49:88:fa:e7:e7:1c:19:0b
Fingerprint (sha256): 7f:1b:b1:5d:bc:f7:98:1d:3c:65:67:00:f3:fc:09:e5:a9:32:c5:92:5f:c2:a0:a4:67:23:e6:8c:d1:5c:37:63

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 ars-serendi.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for ars-serendi.de

Public Key Algorithm

RSA

Key Size

2048

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

ars-serendi.de
www.ars-serendi.de

Other certificates including the domain name ars-serendi.de

(limited to 100 certificates)
www.ars-serendi.de
ars-serendi.de
ars-serendi.de
mail.ars-serendi.de
www.ars-serendi.de
ars-serendi.de
ars-serendi.de
www.ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
mail.ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de
ars-serendi.de

Certificate

The complete raw certificate details for ars-serendi.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0sCvHiDYtFXRZdi7S9AL
LNPnMW6zuTToi4ks/RcXFieLa/qn3+c+SxkikBq4aIRCBLIB4zV88Zn4E1eBOTQN
ZIrPlRdvlZcwFkNscocUXi5EkjfWk/ASU88YfTgVV6EIfsDTp0c5HY7ZiU9h2887
kFkZB82e28xODzJs70OPNk+jHNVzp/IGdaPzDEpBVYXnG290HNP/dDviwjpl0BM8
NSU6Aho6YsJRK/DNMJ0w+1XbdU1zhXSvHo05htEPBvAVKNmlCa1Dth2FWhs8Kd5q
7FgPKlAcxUUDnM0Mhla1d018HLVt9CewK7XvBjqIkFF5u6EFYRDI7FeIBZ0xO9et
owIDAQAB
-----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 318238635602165915610531986192230382707714
 . . . . . . . . [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 2019-09-24 05:39:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-23 05:39:17 +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 'ars-serendi.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 26605060090935703357500290474426354378977850410714994218336667499063299440817606919643793525969442895514985454811730099364448882387934890505054292240722382471274519022840173945585368834538688451515306492410810700493675650376306664171952977399632604496004931194407379848377356672803609118557376480077708015033944266380557529414027763281501004015358898196590440221037344352736931568541956501157486329559396529655894537695543506539891850906481804756533855625339280242338402914513051431593791739330343083436846104665752480261211466295625473140231408108135702824400160459591189567863577268676676316344019148671806061653411
 . . . . . . . . . . . . . . . . . . . . [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)
							c02e8a49f41c6522beddc07348736b6bdf9a6364
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ars-serendi.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ars-serendi.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d61fee3a70000040300483046022100f18c587bdb8e92a2442c1e0fa8f02672947a14a1955590274a453fb39636ec8a022100b4b155716dff43e4ed159a8105f593cae49595054fd324662ef5d77ab32ff161007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d61fee58a000004030047304502202eb5917e645945df671b2832bc01b31a3e93578d1aa3113e2371a75258c9cd0e0221008dc49f3a046f6bc193d58835d98ff57e6fa2fb2e67193805825663ba6d229580
 . . . . [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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