www.biasys.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:75:0f:53:38:a5:b7:fd:28:38:37:0a:2a:0a:f7:45:3c:f0 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): 03:75:0f:53:38:a5:b7:fd:28:38:37:0a:2a:0a:f7:45:3c:f0
Serial Number (int): 301170265254551098718181723818515040124144
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 80:a5:19:d1:1d:29:b0:6c:16:e1:d6:08:f1:b7:a1:06:12:c1:9a:01
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 90:61:39:af:cf:c8:ba:02:50:3b:b6:98:14:26:21:04:65:ed:5b:8f
Fingerprint (sha256): 7a:7c:4b:05:77:0a:29:de:40:ae:1d:8d:22:8c:00:a3:ef:65:44:df:79:7c:68:3f:73:97:cb:39:04:3b:6f:27

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 301170265254551098718181723818515040124144
 . . . . . . . . [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 2020-02-15 04:35:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-15 04:35:56 +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 622482537192817640579047759525472450974597977625744618526756884102346922794229812920261793556903935679750993331463664029674705809237563009711270827544997198527028854642694901651131285158141644946533470685410678317681618278123639623267585879705974280060658494384185448820111905679764314761299783149306937892605176540518504055654514928090837431651501707237709976726972060995607959585571470561071044482360587990712226888849244312632677178614286356817442162258610419623769572534340328311147446492973012419922542068901442645430335619499611686315251146411436528091964193331655341960821645740151141922484642860114695529289331686580977727836013135034304175875068206934752823813447724680146634849012961195380061224661579129679788338538328606198439834148887529213330686348490581592409029150075412324128488555161140360513676327401173164010050897564206190800370389557390085401120687956642295858965774229342886914269974697124621255062191268620325308215513109433139200398961269325429174652075741272193263212768808459036220280848675088356532462743890680001608208274898304901249503368468100806459441791680945076605850567916674394425099495701451364189718268380992565721869885307695121862585678935101686577290535507362135157145113843598864249535018901
 . . . . . . . . . . . . . . . . . . . . [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)
							80a519d11d29b06c16e1d608f1b7a10612c19a01
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a112128418759681714558000001704758a6190000040300483046022100c1c53a370c8afc615b7b624d1bcc0452cbabcbd99ed80e75b642bc187c27aba3022100f9f74cd16a929274d01b4157a69fb0737a73d5d156abc10281ee2d25efaa678c007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001704758a607000004030047304502210089eed6d1f614fcbd692890b49576438d72ce3e40bc783ad23093d9b3f09ff73d0220595d7c4c7465694804e69a43814dc027a5681b666abe3e07620525d1f7393f65
 . . . . [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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