www.scienceflex.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 04:d8:0a:34:1c:c9:bd:c8:b0:63:4d:fa:f2:f9:57:23:b7:e0 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.scienceflex.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:d8:0a:34:1c:c9:bd:c8:b0:63:4d:fa:f2:f9:57:23:b7:e0Serial Number (int): 421963697845249252516952643461446424049632
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 24:32:30:e7:9d:55:cd:fe:a2:1f:46:82:78:ae:f6:8b:96:99:9c:5c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): 67:50:74:6c:ad:0a:62:71:a9:c2:bc:54:6c:1c:d2:b9:75:57:0c:1d
Fingerprint (sha256): df:67:76:6d:ca:6b:70:41:bf:de:69:76:be:61:4c:93:3d:44:d4:9d:ad:d1:bf:c0:25:30:53:ed:ff:f6:0e:07
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.scienceflex.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.scienceflex.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.scienceflex.com
Other certificates including the domain name scienceflex.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.scienceflex.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGXTCCBUWgAwIBAgISBNgKNBzJvciwY0368vlXI7fgMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEyMTYwMTM5MzZaFw0y MDAzMTUwMTM5MzZaMB4xHDAaBgNVBAMTE3d3dy5zY2llbmNlZmxleC5jb20wggIi MA0GCSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC6ElYUnCP+Xz4bNy8u1PEZ4DWV BE1KJIWrmTKrbbL6MZoeIlWuiPYLDrOpizHKrJf8ZtZxq2cu/D9hzEJzK0Soh+ln /h9j/NZ/HjFHBWuL41gHoWElfFdOf8dlQckoEGtEYdagq+w/OkSgyTQV5lr8LmXE LuVbed3139oA44G/m701UXxVjHH1UAyhPLSVrlwq7fM7yrLmlgZnfJ3Svex/UzIb u23DtJBlT5QBhZAzRfJtSjRco/U2PWyuGKnUaZchfhkTZKJgkeEZix60nPKBR6Vi xoSURL6HK2PsUHa2kh14G4pyEWT/C1svnaGDiFZE/8kZhyAprNYRQElg7n4J1/RO eao/WaCfaF9hxXQCelUlMGcoNlJCsfd29FrBc2/DOX20iQ2AIlZedAOIX2LfjCzJ orxKI6aIUuFUsaIJohXOxoGbGMmY8l5KHwg/P/5QikC+zvoR/Q3hvgzX36l0UbDN YcwHri8fH1c0IOjQwOPwinGHlwOohTtLyU8VR/nsYDiVZxNpaPGXqTKpe4YpNXX2 Sd8ID4otKZWtB19oDghdFHlxcYbvovPwCU/1dmUScoD3krt6Ndl0Wv/D0iXhDm5C ++rGQwCg1dRYb3ngCel39D7cSLdsid4krGca7ATSQ3a2Rqwb4Dx6oK9Cujj00HBj ABxS467qWk8ugxX0pQIDAQABo4ICZzCCAmMwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBQkMjDnnVXN/qIfRoJ4rvaLlpmcXDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObem RWXv86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3Nw LmludC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0 LmludC14My5sZXRzZW5jcnlwdC5vcmcvMB4GA1UdEQQXMBWCE3d3dy5zY2llbmNl ZmxleC5jb20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAm BggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEDBgorBgEE AdZ5AgQCBIH0BIHxAO8AdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQ XgAAAW8Mk0c2AAAEAwBHMEUCIQDdUNxQF1wCr5RV076p47meHbVdAvxwAvh+W0l3 NX8aeAIgBq/z8hiiV++xgKfRNXUfJGfh8YTX2Yaz+q3uENPTOC4AdQBvU3asMfAx GdiZAKRRFf93FRwR2QLBACkGjbIImjfZEwAAAW8Mk0doAAAEAwBGMEQCIHePbzCw UXJOGysf9fBOMYEfq5f3AChA0cR4upwNMfmjAiB5mq3v8uimpryQnTP4UWAkEesi b87gThS/a6Ko/k64tTANBgkqhkiG9w0BAQsFAAOCAQEAh0dJRFH8VMCUXTXpJK0p /ZLb1/Cmtl8P0GXs5aewW0IvQIrUmKBppsDFXHL5cozcAgJk6vdclRbNnUpTMK6I 8qVKeiI9J8ZgYNFxAOI44FvvQJ4ClWM7HJPrUmbWCRqyYfuJSX62FLeRy4yIdakQ wcXalhZm6S+CKsKLnOK5uxGJIRHwGD9J+PwNpz3tafv2Ly8n0WuEoOWUxIiRINcl uXFnvuNKvUIkJ7yD8IuOl0Hu9KDot4tquBHNR91CeiBlxuC9LnsFxDjFI8gHMvQF JZ5G2LrWqlYSudwX0KNmme7iluf+f3eCyOnqNZK48qAwrfkTl8r1myLsSpKoIbf7 SQ== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAuhJWFJwj/l8+GzcvLtTx GeA1lQRNSiSFq5kyq22y+jGaHiJVroj2Cw6zqYsxyqyX/GbWcatnLvw/YcxCcytE qIfpZ/4fY/zWfx4xRwVri+NYB6FhJXxXTn/HZUHJKBBrRGHWoKvsPzpEoMk0FeZa /C5lxC7lW3nd9d/aAOOBv5u9NVF8VYxx9VAMoTy0la5cKu3zO8qy5pYGZ3yd0r3s f1MyG7ttw7SQZU+UAYWQM0XybUo0XKP1Nj1srhip1GmXIX4ZE2SiYJHhGYsetJzy gUelYsaElES+hytj7FB2tpIdeBuKchFk/wtbL52hg4hWRP/JGYcgKazWEUBJYO5+ Cdf0TnmqP1mgn2hfYcV0AnpVJTBnKDZSQrH3dvRawXNvwzl9tIkNgCJWXnQDiF9i 34wsyaK8SiOmiFLhVLGiCaIVzsaBmxjJmPJeSh8IPz/+UIpAvs76Ef0N4b4M19+p dFGwzWHMB64vHx9XNCDo0MDj8Ipxh5cDqIU7S8lPFUf57GA4lWcTaWjxl6kyqXuG KTV19knfCA+KLSmVrQdfaA4IXRR5cXGG76Lz8AlP9XZlEnKA95K7ejXZdFr/w9Il 4Q5uQvvqxkMAoNXUWG954Anpd/Q+3Ei3bIneJKxnGuwE0kN2tkasG+A8eqCvQro4 9NBwYwAcUuOu6lpPLoMV9KUCAwEAAQ== -----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 421963697845249252516952643461446424049632 . . . . . . . . [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 2019-12-16 01:39:36 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-15 01:39:36 +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.scienceflex.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 759106005173736088274933373811952916152508964825142241560816971245790707143416703666602140963088441674505288059837442930742548405033195835823238847999046400599258867524245902581098564894400251858860833511916645178865393041029953158640689405616834674616389114237829084735195421537844238639378712053465591685875287526436646603226733555951554169258513431359788912878976091784931095857252147773686693223197594835614281521411526903178282751377174985841328986045941807986113388484624211815480521889325087696092450433037022851373154875931017518657003057690526686196400919278216891329865978564967089131005198018559099249281564598788215232048467062306742424856180670287279926151908802661783816672638615405209283781007770168284290165916607817651086828194450983259637086813090904343179420803045808987978801124939989831640632585021191475245948658917340755563759375803529521214478360945469210533022873314807224750330796988745716371069428594836333248629706384598122442992974492463714477692989364849438751377553869353228366247547992048314596826020398753258660549612049253539762152253096426174023869251028946847146810264024284289512912855725229426900948563320068955805305630159897386645380526004660006224401618368287245380351096975185664783875962021 . . . . . . . . . . . . . . . . . . . . [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) 243230e79d55cdfea21f468278aef68b96999c5c . . . . . . . . . . . . . . . . [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 'www.scienceflex.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 (244 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes) 00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f0c9347360000040300473045022100dd50dc50175c02af9455d3bea9e3b99e1db55d02fc7002f87e5b4977357f1a78022006aff3f218a257efb180a7d135751f2467e1f184d7d986b3faadee10d3d3382e0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f0c93476800000403004630440220778f6f30b051724e1b2b1ff5f04e31811fab97f7002840d1c478ba9c0d31f9a30220799aadeff2e8a6a6bc909d33f851602411eb226fcee04e14bf6ba2a8fe4eb8b5 . . . . [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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