www.scienceflex.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:0a:5f:89:c8:ba:d8:00:f0:22:ac:13:47:39:b3:6d:cd:d4 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): 03:0a:5f:89:c8:ba:d8:00:f0:22:ac:13:47:39:b3:6d:cd:d4
Serial Number (int): 264866673540044519707932621567066595249620
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0a:92:05:69:85:5a:c7:06:d3:f4:79:2a:18:f8:3d:65:4a:2d:d7:c9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9b:eb:b1:1f:dc:b3:52:e8:2e:83:69:98:44:e1:f1:eb:30:c5:5e:23
Fingerprint (sha256): 49:28:94:b8:da:0f:cf:46:e1:f9:77:f6:b4:0d:95:21:6e:48:fd:d7:4d:60:0b:d0:a1:da:4e:a8:a5:9f:2b:13

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 264866673540044519707932621567066595249620
 . . . . . . . . [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 07:37:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-11 07:37:59 +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 841354318669667746921716692498385089010048075116098529385408280592097149987348596395894068114972724713492794087956841138750262192707440834005574229772093478394108299377253415408107870100360608132150623922490997326189413284283149074720847780000602331453674254530219681923520691706976925898649318369777361664015755390102186063782097307709543780414771461682871117887660446156074269574802183260687114985829548444292617240403427221965172371270996529727845552414440756538806987624331351926915421006642745056929385749441647253017942821706096923480333241109500285344530902080987543482787525274294578396987174003967457643341640671250666991234169751467673944185965638253661403879068590524203400325592685746194901466820000070176896183089414321098175363071461825907880414416689295596332093519625985327478575349885358181357598152465335221570937717448460180921171504615268740675778940572825562315821633398557376172385985624511293448317200738266901435186057312632017043742338563262572083722478223784119995811800405356789555127305566745069711247225201845946001516832895783518986595563418641039995623326214415268440526103794647253152076455686293017581078539672503340059988188626504727024100272652949296844012159302779124656789167022779296054354821041
 . . . . . . . . . . . . . . . . . . . . [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)
							0a920569855ac706d3f4792a18f83d654a2dd7c9
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dc44466b70000040300473045022100a0a53de52edb12b8dfdc76e9c132f2599fe95dc6b336333f95ee0d9acd50278902200eb460e2b6631cff29cd19795ad5663a02712b50a78f8ce6e8530e0201cb06dc007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc444668d0000040300473045022100d3ee9e39a4c45ff4d1d84b2d04fcf877405aaf528866c7e601905f94caa2cf76022040235b336fa6deeeb7c4f977bffc06d81583248f55c06a40dc3e139b1f6f8b74
 . . . . [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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