michaelpfeiffer.net

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:f4:c2:3f:51:3b:6f:07:fd:48:85:54:e7:11:d4:83:38:c7 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=michaelpfeiffer.net

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f4:c2:3f:51:3b:6f:07:fd:48:85:54:e7:11:d4:83:38:c7
Serial Number (int): 431736240249218335023837238374520521439431
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 48:8b:af:68:55:b7:6d:01:d8:6b:5f:e4:9c:01:b6:40:a2:f4:02:86
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f0:5f:e7:dd:03:9d:c1:74:91:8a:7c:e2:70:e5:59:8b:5b:9f:b4:42
Fingerprint (sha256): ab:2f:3c:fe:f0:2e:bc:5d:d3:d3:6c:5c:af:57:7c:39:d8:09:a7:0d:6b:fc:86:94:29:89:b1:f0:79:51:66:dc

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 michaelpfeiffer.net

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 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

michaelpfeiffer.net

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michaelpfeiffer.net

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1q2ZYHk43tlJGxih1rdV
h5XCsNVyfbn/v6QWLTSfX6LwuwRmshGexbm/xy+jonRAWHhydaX3ULmoGuZEDQ/I
uB+DbC16Fi5vX+GqjGqFHjnLsY0jU/WRqwbDXzrr+sYHzV/gm0YaTbVaxNPJ6Ch2
3IK24GnPcEloNIErRANAQzR3zw3COmyan0BhFMLVhCo1keYENgx3jeN75xssP7wy
wgQsv/oNuq2cJ8FvBiEpproyq/ZdOMHNPpLtfbBO7T4BT4SYuwkRVEV7nKrJlS7j
mG0IXZpqTQxo3QUptG2uyzmEyUO1g5D6SAoSSNtFwrvBu/f/p2/uf2lHAc4pUKaO
KwIDAQAB
-----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 431736240249218335023837238374520521439431
 . . . . . . . . [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 2020-04-07 12:21:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-06 12:21:01 +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 '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 27100602183449807693322510811628784683384465135977345926422237776687426356215438327213695570884205582008122503541348330756274541408178824462629261698123022529621353783931384636402090116023977676123515268938789810576956476129486007881457840930917390678168184407368771196757837386299333548834784060399799380120797811935757765899945541701909499903301475946911464879853157472267274005636071906797866541153886688635309974798805671229525692995795158769630961900643671767351920817304014345454824914210275305511658493460108943104616841464068347714407828633100407205257244568560322305660497155972789079522634045702506910486059
 . . . . . . . . . . . . . . . . . . . . [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)
							488baf6855b76d01d86b5fe49c01b640a2f40286
 . . . . . . . . . . . . . . . . [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 '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)
							00f00075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000017154cd20d20000040300463044022059276096c70e2907d75ed78064b554d5b7b4808798849525014732d8c955bd5a02202256d316ce2e252ce3f7053377d10c19b5ddc67b63cffa85d852dea6a7b9e53000770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017154cd20d0000004030048304602210085144f8dcb9d076e4f9d7609a225b8979c3a0462641387d67738bebf3055ce330221009e208dc3fdd28f24c64cf78998c14152a20995c3f28ea330049621a9fc49fb81
 . . . . [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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