www.thomas-metz.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:07:ef:42:ca:cf:3a:2a:6f:07:d8:cf:49:39:3d:01:8c:92 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.thomas-metz.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:07:ef:42:ca:cf:3a:2a:6f:07:d8:cf:49:39:3d:01:8c:92
Serial Number (int): 351149152591537785030858348103126631943314
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: aa:55:c2:cc:af:5a:a4:cc:0c:54:f1:1a:0b:14:2a:01:96:b9:32:2d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 67:74:55:08:5a:7f:aa:55:32:51:32:e3:c5:32:8c:3e:a1:4b:69:53
Fingerprint (sha256): 9d:fb:fe:af:cc:fa:42:81:62:1b:2b:a7:c5:02:7d:8b:be:bc:04:88:7b:56:d6:f8:fd:51:e6:2b:d8:05:fc:f8

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.thomas-metz.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.thomas-metz.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

www.thomas-metz.de

Other certificates including the domain name thomas-metz.de

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArRdqLfC2Qk5gRLUFGQsg
0OXFfhuyoYCxbtRQlp88T0xJ9xHMWdT9Z6HpQGD6mYmDYGQckzD6WgBcAF4jkFAM
45m57rF//4IwMx87VKqwJbKnuU8Ea+aZiWtbJKTVZeJQtS/Z6YsxwSAEU6Bcm0cM
s/pJfBcTBLGY/tMDl9GHvixk9maS163m/7MTAmhM12iTdInBW/gS/4pI4ik3IK9h
e8w/thDKR+/6LGCdL7+DypvU/3nqtmSUWI6RxsGB1S0sUC+BpSNiY36SjRQRhlOC
LRTtd2clNVPQrmFHvb3nVI+HY8QlsxQi3t83/KeRZ54AM4IIh01rbAgnJvLSOzur
lQIDAQAB
-----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 351149152591537785030858348103126631943314
 . . . . . . . . [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 2018-09-24 13:53:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-23 13:53:15 +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.thomas-metz.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 21850773009341207265755116224651069625438289536276410241551008128814157707166252200070192953389058358913410464868893562226075108831232240444944214907469164580026810259621656730177037691668698169389827657527895725744813041164714265734985254549386565623536809771586172877269051460195077764945907317653377546312631217764615066734190534956332674934255406784800697432839005239929832410348154966048508858277245635743468890370838276710996293477463692526822564319665803960005573243912929559646754124942319240734789666025815205247898088196159539071166319864619399687514943595523083643598865386812584918467391639941334729206677
 . . . . . . . . . . . . . . . . . . . . [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)
							aa55c2ccaf5aa4cc0c54f11a0b142a0196b9322d
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.thomas-metz.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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076005581d4c2169036014aea0b9b573c53f0c0e43878702508172fa3aa1d0713d30c000001660c11f4ec000004030047304502200af11ef9192d42002f28ba6c68673dbd713d61fd07459e8f009c51f6f45ae86c0221008f8b884bba0ff3b6c908430c9d11d245b2d972b69899c64739551a3760f46477007500a4501269055a15545e6211ab37bc103f62ae5576a45e4b1714453e1b22106a25000001660c11f4d500000403004630440220264e32d5647c3c72fe2180eb62a0d63ad118bcb88188e8eba741adf909662c3c0220177febfec1d3e94cfb96668f662fe360b8bbdde2de7fce42ae81f9599a5fc2cb
 . . . . [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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