polyfeel.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:5f:45:2f:95:c9:b7:d9:cd:14:59:c9:b4:6c:5e:1a:fe:f6 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): 03:5f:45:2f:95:c9:b7:d9:cd:14:59:c9:b4:6c:5e:1a:fe:f6
Serial Number (int): 293755646460492194972647911151121787977462
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 61:29:9a:ac:bf:66:8d:10:b3:eb:a7:1a:37:a2:2d:f5:ae:91:97:cf
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9b:39:51:06:69:58:db:f5:84:c3:90:83:09:59:0f:be:e2:03:b6:8d
Fingerprint (sha256): fa:2f:f3:67:c2:94:36:b7:68:5a:aa:8e:ed:4c:92:0a:92:6a:47:8c:7a:34:90:44:68:9e:4c:cc:2d:c4:84:14

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-----
MIIGUDCCBTigAwIBAgISA19FL5XJt9nNFFnJtGxeGv72MA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMTIyNDFaFw0y
MDAxMTAwMTIyNDFaMBcxFTATBgNVBAMTDHBvbHlmZWVsLmNvbTCCAiIwDQYJKoZI
hvcNAQEBBQADggIPADCCAgoCggIBALIDjL9SOVV9VnYpzKUw4zUQs6d8leOEu1ha
BilQHXwObCF+OvwY2FneXonPHgXv/sOQo+PBZATAyF9n4fXL6Cp7w8nu9+Vxib7w
99BBoMHFzCQPB89ZYxhB01wAfGCCF3nNdwdGhe7EPOXEk4a07OaMxoa+oeSN8YkX
Snwm1OtuLXWB6HFyqMyEZDmMkB489Qi84t9INpT2MvOluBs1EOc+0YFXYJ7yW3Rk
HXpHt0uv4QqUUGaDuWt0Q1ui2k/67nOV+TRZRny1BxF0Jf3jT8s3QJI8IiUzUuNw
/8c1bfDpFggGD/KyKUvH5THTQ5PfsGMy3Lx9dWcdEcfae+yzUsGVaRnYH+VIjb6w
9nCBjBTcrQN1VplAIAoDcgX49kYfJi27k+5xuTsiW/GIEBZDzoKD5x/R4l0Nxl0R
JHmCjS3VSmiRXn62PFJmB2cTshyUiA4onxENrgGn8Y7Smp+8QNDVztag7Z8UdUkN
thnJVR8yMK4pfr5G15cSvbsBPgs/pn1gmsqUcWy9h15y+B6LnBaVwvAVZroc53+1
TZHlckMxj8w19sJdXCW+Z3oCW5930PUrfggUqxNHDCoY98R12W9gqz66X26MsbQo
vzZqLXXhk2rmjLUfP4rAVWj+8D6OBY6id5h4xmmYoK9YnOYwL2n1n1cEHlazxwFJ
Detdbtb5AgMBAAGjggJhMIICXTAOBgNVHQ8BAf8EBAMCBaAwHQYDVR0lBBYwFAYI
KwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0OBBYEFGEpmqy/
Zo0Qs+unGjeiLfWukZfPMB8GA1UdIwQYMBaAFKhKamMEfd265tE5t6ZFZe/zqOyh
MG8GCCsGAQUFBwEBBGMwYTAuBggrBgEFBQcwAYYiaHR0cDovL29jc3AuaW50LXgz
LmxldHNlbmNyeXB0Lm9yZzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgz
LmxldHNlbmNyeXB0Lm9yZy8wFwYDVR0RBBAwDoIMcG9seWZlZWwuY29tMEwGA1Ud
IARFMEMwCAYGZ4EMAQIBMDcGCysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0
dHA6Ly9jcHMubGV0c2VuY3J5cHQub3JnMIIBBAYKKwYBBAHWeQIEAgSB9QSB8gDw
AHcAXqdz+d9WwOe1Nkh90EngMnqRmgyEoRIShBh1loFxRVgAAAFtvcZtzQAABAMA
SDBGAiEAhtdux7Ef5ScqXbBs/W+ype4EXaxlO5+R1FFgxzywFZ0CIQCjPgdTz5qQ
IICxcHgnyBixKu0/AyCTHjgwmhprOHWpFQB1ACk8UZZUyDlluqpQ/FgH1Ldvv1h6
KXLcpMMM9OVFR/R4AAABbb3GbbwAAAQDAEYwRAIgXdTOfiKV/eBHSyDKA7EUqWLa
QpvpBoI4D5aQqaivjLcCIAJVLt4pV05Ug3d71RXuBcVBOd2gMUm6FNy69d0lJ82/
MA0GCSqGSIb3DQEBCwUAA4IBAQAWBP2ErbkQNmssCmxvIvUJMBTyUXdbXy2ONpHQ
xZLwth3pLgpVO+hjDW7UDohPAolOMnYECp/D37DCcUizseUZOOPeDpzeAdnkumZV
G0vOtg69sKkBMrWXfgPBzSsbe9EPKMGpuUPk/sjr7POD1NEkPK5r1L9+PTL/sKP8
9AO1ipbgzQLNH8UHbPvCBhZ7DXKKwvEd6RTCB3JhKzPyvQBB4uVHn322NXnIz5TZ
GpK3Wkw8H4NwVHv5vZXmaQO84QsNgI2IJljKN1kl7AmVU2IXmdGFQi9UWtiRxKxc
KT3/wnXT39LhkkUiGF25EYaYr6bujtQawrMBZr3VPSPmJCgs
-----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 293755646460492194972647911151121787977462
 . . . . . . . . [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 2019-10-12 01:22:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 01:22:41 +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 726233214019221707832445701547266966162908685787019942481530656253439364640782895865755821914165119403575950397326876388452293911257785552931990712700958403792086806398241410156216195698853790440796732243248647861110016348141958338217767516166816853137357025046554623777578298179018129728213511390730415300189145977216251293771409528164430043050672686708822509672556271962255066701667686141172334812609365711506169100486239647159151386233443811149921689539572581097606424978025741136444594914062343052315784799113734198497486394560690787502803352192588820617415445517973498080573444339863292490778958516237301376231347773870430669391951379108360773135145946971587229914766521394473829869601946560481609830472828652713527536654695566312534794801954533246042243574012880050859696624406290937040170001275564853932292321584107489146427383983139509338274066669273346294663541540331713045663183395409706842043183171375106104195850162893432908623071707334370794064782367953033564084712290684635702077555982095337164733036441890741572740760288046174012247801873651313505075349285298017204062869589727403752809455874548573565206072942791708982205562176943023531760790196985900889094446265023543250176191537159446316303940386444286991021299449
 . . . . . . . . . . . . . . . . . . . . [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)
							61299aacbf668d10b3eba71a37a22df5ae9197cf
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbdc66dcd000004030048304602210086d76ec7b11fe5272a5db06cfd6fb2a5ee045dac653b9f91d45160c73cb0159d022100a33e0753cf9a902080b1707827c818b12aed3f0320931e38309a1a6b3875a915007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbdc66dbc000004030046304402205dd4ce7e2295fde0474b20ca03b114a962da429be90682380f9690a9a8af8cb7022002552ede29574e5483777bd515ee05c54139dda03149ba14dcbaf5dd2527cdbf
 . . . . [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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