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:f0Serial 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.orgCheck 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----- MIIGVTCCBT2gAwIBAgISA3UPUzilt/0oODcKKgr3RTzwMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTUwNDM1NTZaFw0y MDA1MTUwNDM1NTZaMBkxFzAVBgNVBAMTDnd3dy5iaWFzeXMuY29tMIICIjANBgkq hkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAmJUirLuhzoZvniyFLVmZ6XwwLCwk5SMj c8sZ6rQulYxKQPV/OpmTDrMPfb1vraSFT6Q/ZrvDyGFwGt1YFE6cix+yKeofxfL4 Yh4bfBAM1LHg4REqD29We47ulEMGQiBdzi2XVwYfD5fErcrOwhUbDsi8NgXj3HTx Uy7724uqOVW8Vs2YLW+xNgMDpoXV8imYmB/bO1YkwBaslE2Hh+UeKIgZ7nkBQS6N /x1HeQGDH4K/6Wi0bw5YcthyZaWqffoWPIBHoLJB+brtCxuEYw8XwQogr5V9Fh94 SA2DkbML1mDsInqQ5OM/w6x7YEw5UZVtgQI9Jv1vrNAVLaM42wWz1Gs4K8eIPK1+ ejsAATSX6vyfLGXh6TegIQcnqNsQ0AJZr5pcPmGupzOstuZxohG/2Qx9kCtteY3p LlV8Bupg5EcoBrusydnYfANBGTVEZrcAU0M8Vz5oLBqSERH+eGE8k+v2aT+ZoPQX m6Wi76cVOkXT85wMUCBz8aXNZpXglITID9vBsRVl8W7EDvMhMDH0d6arwdEvs5de pQ5B+sPpRzF9BNBvop0oTV3axzwBWMgJDBA2hJszfcZRMLN0E1nZgIEtBUiIaKkt c23wHIq5lKvzwHLrs12ZKe+DZUkHUG7CC1XFxzOx0B8vu2A0RX0XrFRfojJuv2Ff J0SKmmIjN5UCAwEAAaOCAmQwggJgMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAU BggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUgKUZ 0R0psGwW4dYI8behBhLBmgEwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo 7KEwbwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQt eDMubGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQt eDMubGV0c2VuY3J5cHQub3JnLzAZBgNVHREEEjAQgg53d3cuYmlhc3lzLmNvbTBM BgNVHSAERTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIB FhpodHRwOi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQUGCisGAQQB1nkCBAIEgfYE gfMA8QB3AF6nc/nfVsDntTZIfdBJ4DJ6kZoMhKESEoQYdZaBcUVYAAABcEdYphkA AAQDAEgwRgIhAMHFOjcMivxhW3tiTRvMBFLLq8vZntgOdbZCvBh8J6ujAiEA+fdM 0WqSknTQG0FXpp+wc3pz1dFWq8ECge4tJe+qZ4wAdgCyHgXMi6LNiiBOh2b5K7mK JSBna9r6cOeySVMt74uQXgAAAXBHWKYHAAAEAwBHMEUCIQCJ7tbR9hT8vWkokLSV dkONcs4+QLx4OtIwk9mz8J/3PQIgWV18THRlaUgE5ppDgU3AJ6VoG2Zqvj4HYgUl 0fc5P2UwDQYJKoZIhvcNAQELBQADggEBAGBlDRwfS++o0aWhcy5vBpTfjWugX7ZZ Tl6hmefBZln9QH/XAWRx4Epv1QehVxpxOP/TmwXVxspGCi3XFHCQX4DXR5A9NIFN WNUkbz5DzG/DupWLEwldyXvko6oHA2cfxXx5ayOuINdU+CXchsf/mMZm+24wS5oS 4hMCZ8+jMu4ZZ5vDQXtAyY5eoAhOetb14OdE0a8wetODvGKhmu74DbLw4/xriMFg WwS5+ypTY1GbvDpiQaKNoP463s6RdrcX9rUAbpC0Y3TB5y+39AbXuCpJK2QE5XS/ WH3qG3vyTu9UIL/V/TTLlGPllDi1DLXguW+9qH8mAe+rpsMUSHFrqUw= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAmJUirLuhzoZvniyFLVmZ 6XwwLCwk5SMjc8sZ6rQulYxKQPV/OpmTDrMPfb1vraSFT6Q/ZrvDyGFwGt1YFE6c ix+yKeofxfL4Yh4bfBAM1LHg4REqD29We47ulEMGQiBdzi2XVwYfD5fErcrOwhUb Dsi8NgXj3HTxUy7724uqOVW8Vs2YLW+xNgMDpoXV8imYmB/bO1YkwBaslE2Hh+Ue KIgZ7nkBQS6N/x1HeQGDH4K/6Wi0bw5YcthyZaWqffoWPIBHoLJB+brtCxuEYw8X wQogr5V9Fh94SA2DkbML1mDsInqQ5OM/w6x7YEw5UZVtgQI9Jv1vrNAVLaM42wWz 1Gs4K8eIPK1+ejsAATSX6vyfLGXh6TegIQcnqNsQ0AJZr5pcPmGupzOstuZxohG/ 2Qx9kCtteY3pLlV8Bupg5EcoBrusydnYfANBGTVEZrcAU0M8Vz5oLBqSERH+eGE8 k+v2aT+ZoPQXm6Wi76cVOkXT85wMUCBz8aXNZpXglITID9vBsRVl8W7EDvMhMDH0 d6arwdEvs5depQ5B+sPpRzF9BNBvop0oTV3axzwBWMgJDBA2hJszfcZRMLN0E1nZ gIEtBUiIaKktc23wHIq5lKvzwHLrs12ZKe+DZUkHUG7CC1XFxzOx0B8vu2A0RX0X rFRfojJuv2FfJ0SKmmIjN5UCAwEAAQ== -----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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