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:f6Serial 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.orgCheck 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----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAsgOMv1I5VX1WdinMpTDj NRCzp3yV44S7WFoGKVAdfA5sIX46/BjYWd5eic8eBe/+w5Cj48FkBMDIX2fh9cvo KnvDye735XGJvvD30EGgwcXMJA8Hz1ljGEHTXAB8YIIXec13B0aF7sQ85cSThrTs 5ozGhr6h5I3xiRdKfCbU624tdYHocXKozIRkOYyQHjz1CLzi30g2lPYy86W4GzUQ 5z7RgVdgnvJbdGQdeke3S6/hCpRQZoO5a3RDW6LaT/ruc5X5NFlGfLUHEXQl/eNP yzdAkjwiJTNS43D/xzVt8OkWCAYP8rIpS8flMdNDk9+wYzLcvH11Zx0Rx9p77LNS wZVpGdgf5UiNvrD2cIGMFNytA3VWmUAgCgNyBfj2Rh8mLbuT7nG5OyJb8YgQFkPO goPnH9HiXQ3GXREkeYKNLdVKaJFefrY8UmYHZxOyHJSIDiifEQ2uAafxjtKan7xA 0NXO1qDtnxR1SQ22GclVHzIwril+vkbXlxK9uwE+Cz+mfWCaypRxbL2HXnL4Houc FpXC8BVmuhznf7VNkeVyQzGPzDX2wl1cJb5negJbn3fQ9St+CBSrE0cMKhj3xHXZ b2CrPrpfboyxtCi/NmotdeGTauaMtR8/isBVaP7wPo4FjqJ3mHjGaZigr1ic5jAv afWfVwQeVrPHAUkN611u1vkCAwEAAQ== -----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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