www.biasys.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:bb:21:05:33:c7:27:81:38:ef:9b:9b:1b:0a:a6:67:32:e7 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.biasys.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:bb:21:05:33:c7:27:81:38:ef:9b:9b:1b:0a:a6:67:32:e7
Serial Number (int): 325013551945022947767726783389824943862503
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 5f:88:17:17:aa:76:96:e4:e9:72:98:49:bd:5c:02:4b:bb:d9:72:0d
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 80:3d:25:62:ac:9b:28:9a:64:32:90:a6:4c:b4:6e:5a:b4:ef:76:dc
Fingerprint (sha256): c3:a6:77:c3:c8:ea:da:e4:3f:6f:63:f1:1a:f8:17:e9:b5:97:b7:e8:3f:c2:49:12:64:90:0a:a1:19:60:1f:d3

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.biasys.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.biasys.com

Public Key Algorithm

RSA

Key Size

4096

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.biasys.com

Other certificates including the domain name biasys.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.biasys.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 325013551945022947767726783389824943862503
 . . . . . . . . [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 2019-10-13 10:54:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 10:54:45 +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.biasys.com'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 810968452455093958347583595483495646732121888029223325947479703872913663261876733197429614484850550232161674129634977558142012635207388939923078152499074703805795119670053068669754137719738527402178370336133977336720372302377187009599468103033593877323831152767391598884128106574446302137659720697248412850701397347319788004077972499844288298023596862977386952177449839942096516037116331237134880390181087281176074394225005095224348168229468643360991745800550577599922658091708671248356932540360826165235622434013120472164334433904183816002208184980144388783406595259449263273383114455989095752020714760352789680139078053726138478163557920925530966431805469907664927577697197480364229770616705284961771522581163558187240194538158399804051249072565091114318493653509648093242302608041638047883715860149603208128457116771899266800970730532018817736927839876691591015203222662891679806912783947005726223373191380500939627475042278329548743735742266222477895147161157347076285417954895256999939430712796256592035985206726635138107369148888064874255719477220083213471719075104284774794997147450538145401489896838004208916094267582440341117803561757877573758708421848891285770937388669675952145365307548490138769334767096948445135915728741
 . . . . . . . . . . . . . . . . . . . . [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)
							5f881717aa7696e4e9729849bd5c024bbbd9720d
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.biasys.com'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016dc4f8890600000403004630440220632a2ecf0253068b4560bc6e497cacdc45aab30a3abcbfbbb2f6eff895d50c1502207c2ee1a1f5adb7431d5e8e0b31bcc529aabed1bf90ab58a1a6c45f7883f671f7007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc4f888fd000004030046304402207eec2a1457fc26ec4cb888b0afd83f4b7e88eb676f4afdb5f8f29c3cc10f822402207842c22c458f27e2260a8f3bd7fe49b7ec7a02e50968c60d477d98eb8b482154
 . . . . [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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