www.polyfeel.com
Issued by Let's Encrypt Authority X3
About this certificate
This digital certificate with serial number 03:c4:01:4e:30:30:41:72:9f:15:78:f0:ee:ce:ab:0e:34:8a 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.polyfeel.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 03:c4:01:4e:30:30:41:72:9f:15:78:f0:ee:ce:ab:0e:34:8aSerial Number (int): 328033936916314297281520109930821565953162
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 0a:12:54:d6:ec:eb:73:05:3f:42:9e:b5:2b:40:22:ef:40:fe:94:14
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1
Fingerprint (sha1): c3:6f:1d:bc:78:4b:6b:56:0a:d5:12:fe:64:bf:d5:5c:34:b8:2c:25
Fingerprint (sha256): 74:3e:31:ec:4d:2f:32:3e:a0:73:bf:91:06:fe:76:f0:d3:f3:c0:5d:09:85:f7:77:5b:11:cf:84:84:fb:76:b5
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.polyfeel.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.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
www.polyfeel.com
Other certificates including the domain name polyfeel.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for www.polyfeel.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIGWTCCBUGgAwIBAgISA8QBTjAwQXKfFXjw7s6rDjSKMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTEwMTIwMTIwNTBaFw0y MDAxMTAwMTIwNTBaMBsxGTAXBgNVBAMTEHd3dy5wb2x5ZmVlbC5jb20wggIiMA0G CSqGSIb3DQEBAQUAA4ICDwAwggIKAoICAQC8UbIu3YxLEJ6qQjJ7f8zs20ksatVS 9rI1RfHEGLIdmX51Z6Sjvo+L0dCymX/QgGkWBZ0thh+wCrE+hHm7UFKQ2pU/OByu qnEUVPTHvRI+Ehshv/8jL1/ly+fOe5SUVmF2lj8hIZesgLElwvHdcU/6OjopWRAY S2NSaww4pTP6SLe2h7wNo3pIgHKMCy9gmcVjEBZhs/vEgt76LXP9EIeA8lDRe/DA alkTCwFbGQ4jZ8+QsKgtgJkBIymnwqvobZbgI8Q42MIQVtZV7AOm6sulhDFMSYhv KA9oD1w71Q28Dzxr+tGA9eOQGEPGxGbGeZZJ+tISCzq2k0taBHKI0NwXG6xoxj4S eEIB+sbL7Y9kbjbfE3V9dZBzDnJi4tvYlRIR8POHKijw5PELo4s/Pt1VVnzwEJcb 5npJw2OtIeuGkoMK+R517XMeBfCVEzXkszm3OFs5OuiAVFqGEUImDz9EKLJsv1dM Ba+Pe0fPQ4c2sh82yQwo1WrtSPlwsLelUmHhUUr8lsOI/2wafMkNMSGu0S6tO0u5 etnH6JgfN++J2Eze82rqJ9GmDVkHi6Dhz5F2YB7+h9opBFeDvRahSMF+TLP/8EXX vG7a+tHNo8nxerEcwI3Ug2txu163SoGLegTY9BrXhoeRnlBycSzxvp6lQ9Ab4hqX ceRQ+YOaGLH+lQIDAQABo4ICZjCCAmIwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQW MBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBQK ElTW7OtzBT9CnrUrQCLvQP6UFDAfBgNVHSMEGDAWgBSoSmpjBH3duubRObemRWXv 86jsoTBvBggrBgEFBQcBAQRjMGEwLgYIKwYBBQUHMAGGImh0dHA6Ly9vY3NwLmlu dC14My5sZXRzZW5jcnlwdC5vcmcwLwYIKwYBBQUHMAKGI2h0dHA6Ly9jZXJ0Lmlu dC14My5sZXRzZW5jcnlwdC5vcmcvMBsGA1UdEQQUMBKCEHd3dy5wb2x5ZmVlbC5j b20wTAYDVR0gBEUwQzAIBgZngQwBAgEwNwYLKwYBBAGC3xMBAQEwKDAmBggrBgEF BQcCARYaaHR0cDovL2Nwcy5sZXRzZW5jcnlwdC5vcmcwggEFBgorBgEEAdZ5AgQC BIH2BIHzAPEAdgCyHgXMi6LNiiBOh2b5K7mKJSBna9r6cOeySVMt74uQXgAAAW29 xL0AAAAEAwBHMEUCIQDcaF9NN8kV+UUyVlypcDab9B71tKc5WIW7TkS4qVq2rwIg UEb+SallAarmLwg9gLG5MJkmEJByBdquFe5hy6x9XHUAdwBvU3asMfAxGdiZAKRR Ff93FRwR2QLBACkGjbIImjfZEwAAAW29xL0zAAAEAwBIMEYCIQCDWGNhJKwbj7BL yBb3poC5Dy+Qh0C5uzRxvDgKDfCjsAIhAL6I5Z5HN5elZ/6tq9vGOlvMRZa7ou2R fwH+H7fkKaguMA0GCSqGSIb3DQEBCwUAA4IBAQB2EJ5GcGcNWX9CFOR9U21RsMKS 2XlBfI7rOdYHHHP/FLr8hRctTCrQJEaxr5G0BDaxPgm8RAl9MQ3xJrQ2AdN6jWBT LSJGS/VUaFNRo/53pxE+T19JjUqOs4gdfENpqUiIUzTwFDj/mngYkZTXj0GECu9o tfgUIpIj8KKYR+hLEE84a5xWWOQAV3J3Jy59K+vq+byf3Kb83GoJEDATz34AQfVX reYBBiDFlRNEtDB+vcYTSC8nHs9bGpehoAfLOUARCRHaB9Tdri/YGEL4OqJ3wM2A qkNVZv2xjAPOcKdvmE1s6OaB9KZd/g4kFiJ0ns1uLUtf6gTjT/t8bP6EX4Zf -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAvFGyLt2MSxCeqkIye3/M 7NtJLGrVUvayNUXxxBiyHZl+dWeko76Pi9HQspl/0IBpFgWdLYYfsAqxPoR5u1BS kNqVPzgcrqpxFFT0x70SPhIbIb//Iy9f5cvnznuUlFZhdpY/ISGXrICxJcLx3XFP +jo6KVkQGEtjUmsMOKUz+ki3toe8DaN6SIByjAsvYJnFYxAWYbP7xILe+i1z/RCH gPJQ0XvwwGpZEwsBWxkOI2fPkLCoLYCZASMpp8Kr6G2W4CPEONjCEFbWVewDpurL pYQxTEmIbygPaA9cO9UNvA88a/rRgPXjkBhDxsRmxnmWSfrSEgs6tpNLWgRyiNDc FxusaMY+EnhCAfrGy+2PZG423xN1fXWQcw5yYuLb2JUSEfDzhyoo8OTxC6OLPz7d VVZ88BCXG+Z6ScNjrSHrhpKDCvkede1zHgXwlRM15LM5tzhbOTrogFRahhFCJg8/ RCiybL9XTAWvj3tHz0OHNrIfNskMKNVq7Uj5cLC3pVJh4VFK/JbDiP9sGnzJDTEh rtEurTtLuXrZx+iYHzfvidhM3vNq6ifRpg1ZB4ug4c+RdmAe/ofaKQRXg70WoUjB fkyz//BF17xu2vrRzaPJ8XqxHMCN1INrcbtet0qBi3oE2PQa14aHkZ5QcnEs8b6e pUPQG+Ial3HkUPmDmhix/pUCAwEAAQ== -----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 328033936916314297281520109930821565953162 . . . . . . . . [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 01:20:50 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 01:20:50 +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.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 768275001640980215536970977107052567506825963102384288539951246090064221098704103411182783462792833238631546704706982694911144679026960579960849875987023906470796088718158215831555583751991317287833056622513912236004547708428386395179934645026635830145043813567703846762535396953473135108553602222058220540073842444025294067125916276326354084682856848082433646440134566473480800898640112602440981697352849832247393927790144666876737863948408930004135516263912850717950508743144154123710434198703001025170587369943767677275916106734703257794903977706520349424871235747277242041442568274080360129347507074047780335013007232467437315228478971544245766915524592135090469114214918539048680719602934855926987040004469127583207427324121119879393461499339216564948112593343875959117699786112435166752056576938716382631220182950020764734830378603632268819352214125545564567576743171974063835743814985686083535174102650940292377023048925212614887588259740998435604604983567232305990713982943157879075134158162178656133609743864502621347103883622394810155419692212975423816184624981962854523473741368857470965859012188566859129768873675272065913400686966187360485337314133365779572678817945421513414792560467099945064255389420328923845086019221 . . . . . . . . . . . . . . . . . . . . [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) . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:10|false] ENUMERATED asn1: structure error: integer too large 0 . . . . . . . . . . . . . . . . [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 (20 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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) 00f1007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dbdc4bd000000040300473045022100dc685f4d37c915f94532565ca970369bf41ef5b4a7395885bb4e44b8a95ab6af02205046fe49a96501aae62f083d80b1b930992610907205daae15ee61cbac7d5c750077006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016dbdc4bd3300000403004830460221008358636124ac1b8fb04bc816f7a680b90f2f908740b9bb3471bc380a0df0a3b0022100be88e59e473797a567feadabdbc63a5bcc4596bba2ed917f01fe1fb7e429a82e . . . . [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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