www.gunnarhofmann.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:59:34:ce:07:31:89:9c:70:0c:54:ed:94:88:4e:8e:3d:b2 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.gunnarhofmann.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:59:34:ce:07:31:89:9c:70:0c:54:ed:94:88:4e:8e:3d:b2
Serial Number (int): 291692178066079572744661070205751315545522
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a7:aa:24:fa:70:a2:7c:94:a0:25:97:cf:46:de:d9:0c:81:3f:f4:bb
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e8:4c:5f:9f:26:59:38:d6:bf:42:72:54:db:ba:57:2f:91:dc:bd:53
Fingerprint (sha256): 4a:7c:1c:7d:ff:02:a6:63:82:cb:ee:14:28:64:99:ef:0c:7d:1c:67:b8:3d:15:91:29:59:93:89:99:5b:9f:6e

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.gunnarhofmann.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.gunnarhofmann.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.gunnarhofmann.de

Other certificates including the domain name gunnarhofmann.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.gunnarhofmann.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA62+XngfuWKazCD18eAiq
OyZUE3Qy2U+0ZwohGQBZasUgiYezZ5GE3u8rPvGVCvLQa/FwXoOHdbXGJxaJ/zIW
jDqU0kCt9NAbNafn1y1dp6uYJ0RdEqy0CZZxvTn3SJnMqS0hf5QtH9irv4VkP1Yx
AgDEtFC+2OgOYwtJ7oulQEUCYVKaAC3XorTpj/43ecaISHWK9avxEFiGrv8Lm1ZG
YPfcFs5jWDgRzAxaqHhkfHnoE12rMOpchWhQJxcizY9+VafkM0v6g/DW7Ntc8p/C
p/7bL0eZ0GQ3zU5fmDgpLuXm+vYOW8Ft6N5Itq2b+jgTgVcF9VZCyEBrnCaQmbDC
qwIDAQAB
-----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 291692178066079572744661070205751315545522
 . . . . . . . . [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 2018-11-27 16:28:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-02-25 16:28:10 +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.gunnarhofmann.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 29721029858948006562646236071154286969070849297977924844037658521529994144573601871307660600167003061819577560119547097124585453547117578114857610462641290177375510855436375036491781133633163895375147191998369764244593326055694104727137945264478422782454246044066716852432859936417206787515549388333081345706873950053179594547698051520126721919220916966637302931575148136490538628493970674997736214425360846401755260632551296322805032399609104012402451674469351018723678374074103437041892418322228742420332428049185304167863858890252312132548338105438023356049388557212083709705772533026463230299218284469454948582059
 . . . . . . . . . . . . . . . . . . . . [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)
							a7aa24fa70a27c94a02597cf46ded90c813ff4bb
 . . . . . . . . . . . . . . . . [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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.gunnarhofmann.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)
							00f1007700e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001675636cc9c0000040300483046022100b84c5ae126051d7061194a6be4fdb9ef3318e26acbc8900b2a8e294c7f1d6a7b022100a79dd317de22fdb5dd3c6e9204c31f203c83d984d0a3fd5821e0e66081ca95e1007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001675636cc9c000004030047304502202caa0b2a59a3e3d49576f15e8ff2a33813762a26692b2135aac1bcc319ab77b2022100d13ea3493af4d15ca0a6114759ab8b3e028ec2938ce6de902371009c55846701
 . . . . [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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