polyfeel.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:6f:20:72:b0:7d:d7:73:8a:f0:1b:0e:2e:01:8e:47:bb:fe 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=polyfeel.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:6f:20:72:b0:7d:d7:73:8a:f0:1b:0e:2e:01:8e:47:bb:fe
Serial Number (int): 386263617252646435825886378183581808180222
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: d8:9e:2d:4e:55:5d:f8:ee:6c:b9:b4:fb:c6:11:a7:9b:e6:7d:3d:a5
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0a:17:6a:66:6b:17:af:a7:30:8b:3a:83:5d:57:99:e4:10:e4:a3:70
Fingerprint (sha256): 87:30:03:ee:b4:8f:cf:17:c7:c4:60:24:64:a9:02:3b:55:cc:f0:3a:17:11:88:e6:f4:27:8e:1e:09:ad:64:c2

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 polyfeel.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for polyfeel.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

polyfeel.com

Other certificates including the domain name polyfeel.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for polyfeel.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 386263617252646435825886378183581808180222
 . . . . . . . . [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 2020-02-18 07:04:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-18 07:04:40 +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 'polyfeel.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 814963400430022312305982167030378874508257906758912713694915149510528723290308021374932622814897508022169732085981330743837451746400495516285927208049894616094193842365798094901264428002919644533300944994899003066399651855770783910669259250911198126999180081494144393755314567912831429655024572572446895814446026339405647934694825780323163948289771638120944481579198960312675225996113983920381952195485042175005516208568411455026319345996253280426796832418615230831796579549512547919435743061095209373233082270168863386216008953032902281048538664397843837641724916003484514895008616214918585392789481814669380946933430630885806167413683226474889760697904766948057778862507729072840807476489482786261075076006261359381912461568008882104608993425650461720551507567640313101666816395926333985273764202980411488177568385283831007943116685235174295126774530735716411337158276174399445318245815525425734478527857793862662482834722215374255287915412834009842268145456175687758353270431013891578062275430842269432691743457114332711390771894481176112551905197322722052626370681583864318570071908935378163461502388723489310445178369081854867795271167992712935043561968839989935079229963990896977142254670405479700934489033982683454806207773317
 . . . . . . . . . . . . . . . . . . . . [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)
							d89e2d4e555df8ee6cb9b4fbc611a79be67d3da5
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'polyfeel.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)
							00f1007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb273000001705753e5780000040300473045022100a937e1ca1ec1d539d14dcdcc74a35b7a78bf963fffd174190c2df2288d1f6f4c02203976a1b84d4155f2fa37c420224c2cefa29ec97952df0b39c2c8cdc51feeaaad00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001705753e5ab0000040300483046022100cb0a75a7e54933d1bd2454949f224476cc01411c974cfff7bfd8417692e3e3a7022100d42b2f73e3aa4d0e1da92faadededd15431a5d7fee4a324a599a3942f58084fb
 . . . . [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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