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:e0
Serial 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.org

Check 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-----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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 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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