www.michaelpfeiffer.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:a2:11:ea:bb:90:2a:12:e0:1f:1c:2a:19:06:e2:03:0a:54 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.michaelpfeiffer.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:a2:11:ea:bb:90:2a:12:e0:1f:1c:2a:19:06:e2:03:0a:54
Serial Number (int): 403598702845858730861444379409245767141972
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 74:c5:cc:e8:52:15:b3:f1:19:2c:0c:0f:5a:d3:51:9b:ca:1c:9c:a7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 57:1b:39:bc:41:c8:c8:4c:03:25:66:cf:e4:32:c3:34:c1:b2:2a:64
Fingerprint (sha256): 9c:5f:56:06:6a:92:eb:e2:ad:e5:69:65:ca:cd:a1:6c:03:c1:a2:47:db:b3:96:21:ba:2f:32:48:ca:f1:5e:91

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.michaelpfeiffer.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.michaelpfeiffer.net

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.michaelpfeiffer.net

Other certificates including the domain name michaelpfeiffer.net

(limited to 100 certificates)
www.test.michaelpfeiffer.net
www.mcafee-faq.weeklydealz.de
www.colorfog.cf
*.teleclub.tv
www.konform.stampe.at
ttstatus.albertus-dienste.de
wyjwpzyorcbubxa.vasistas-magazine.com
internet.rotglut.net
www.tikasbi.lima-city.de
*.lspospotter.de
dotstars.de
*.einfach-gute-texte.com
michaelpfeiffer.net
www.michaelpfeiffer.net
kingluedi.de
www.chemnitzsurfer.lima-city.de
www.michaelpfeiffer.net
www.michaelpfeiffer.net
pension-brusch.de
test.svo-intranet.de
zumchefche.de
www.mosti95.lima-city.de
www.michaelpfeiffer.net
designerwege.de
www.test.michaelpfeiffer.net
*.jf-eversten.de
*.nicolasgail.de
www.michaelpfeiffer.net
cas.ips.codes
www.michaelpfeiffer.net
www.michaelpfeiffer.net
stage.antimarder.com
michaelpfeiffer.net
luphooidajesqgl.execbase.de
www.fch.tirol-hettlingen.de
chefche.de
www.michaelpfeiffer.net
hiasi.at
narengi.lima-city.de
*.bayern-scheune.de
home.rotglut.net
flugbaer.lima-city.de
freifunker.eu
www.www.michaelpfeiffer.net
sniyqsw7bvuzz.lima-city.de
harambeva.lima-city.de
www.test.michaelpfeiffer.net
michaelpfeiffer.net

Certificate

The complete raw certificate details for www.michaelpfeiffer.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArNHnrhorc6LZ/9g7SlTD
IsOzh2YMwWxD31BjUMZX8NPIbq4i10a8op2euKapnRf6W2PxNi58VQpJd2CfVunu
rvt5p+mYgCVy9Iog4QILZPhdHN7hmp/ixlKpxRsxLscKVztw7XpdmMxvksC561OO
89aWmiJxwyIJ8Acce6cHAPMoSiYhAkaja7mJp5PRrcxQXUeEF9wZspJQIawX1U06
NTJclSYNTEbplm//0Adns9mIrs+kQJJNrMK/zHmqO/Txtv/gIdSwsi8g8TAU5Ywl
MdSlardwDLTZgQPbCOfpuAvCpeiayJSIMx9BVx6R6N1OY9EZ7QgsveONubpPuV4r
BwIDAQAB
-----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 403598702845858730861444379409245767141972
 . . . . . . . . [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 2019-06-06 19:13:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-04 19:13:34 +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.michaelpfeiffer.net'
 . . . . . . . . [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 21816496467625802963715380794762485058474193338597546672460529186874892289299331766863324785361280569977297605345472332836528553008375535750087783664366648151967015551866369341509522765040982477529943752153196057393257350880471885844418194682147870804696371920865177233496457476369773467816061328291127577237581370912228795336018214848730605725641126899104851897928781350521507263777244602500594076600638602590493577072662455671290143264294992162111118578920421247359439367230920579417254846484179350607399347708735730497147947673518692641634749042590900240591867766082092495395467884672684457670510253497333460118279
 . . . . . . . . . . . . . . . . . . . . [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)
							74c5cce85215b3f1192c0c0f5ad3519bca1c9ca7
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.michaelpfeiffer.net'
 . . . . . . . . . . . . . . . . [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)
							00f0007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b2e6cdca100000403004630440220799c27dba4358854dc9722a5268e1d0dc5ee69d1d149bc6a0e003e2e590d19b4022034ae426ca54bbc5f96fc06680fba1b44c3deb1b7d017768c612688068ad5421000770063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016b2e6cdc990000040300483046022100910fc16f54dea04b2087a8b61bc4cf911eec0c78df5e369cec4cde91835071710221009ed31abf2c431bc1c5f08a8b7fdef01429b26b85295c7178efd10b6022b4d853
 . . . . [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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