resources.quantm.com
Issued by cPanel, Inc. Certification Authority
About this certificate
This digital certificate with serial number d8:26:5c:73:c1:5f:50:64:a7:ad:f6:75:ef:f7:63:f0 was issued on by cPanel, Inc..
With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=resources.quantm.com
cPanel, Inc.
Organization:
cPanel, Inc.
State / Province:
TX
Locality: Houston
Country: US
Locality: Houston
Country: US
This certificate has expire since
Certificate Details
Serial Number (hex): d8:26:5c:73:c1:5f:50:64:a7:ad:f6:75:ef:f7:63:f0Serial Number (int): 287312429522934211585642919625491964912
Serial Number lenght: 128 bits, 16 octets
SubjectKeyId: b3:b0:7c:55:47:96:ba:6a:d1:3a:da:75:b9:9c:4d:65:96:62:99:f8
AuthorityKeyId: 7e:03:5a:65:41:6b:a7:7e:0a:e1:b8:9d:08:ea:1d:8e:1d:6a:c7:65
Fingerprint (sha1): 55:39:fa:8f:5a:68:cf:38:2d:f2:9b:01:12:b1:01:e9:17:a7:ce:a5
Fingerprint (sha256): eb:a0:c8:38:c1:dc:d0:c8:75:bd:94:ff:7e:67:eb:c4:c0:a5:7d:3d:b1:b6:d3:93:07:30:d2:36:d5:8e:0d:bd
Issuing Certificate URL: http://crt.comodoca.com/cPanelIncCertificationAuthority.crt
Revocation information
OCSP Server: http://ocsp.comodoca.comCRL Distribution Point: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl
Check the revocation status for certificate resources.quantm.com
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for resources.quantm.com
Public Key Algorithm
RSA
Key Size
2048
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
resources.quantm.com
resourcesquantm.salespanda.com
www.resourcesquantm.salespanda.com
resourcesquantm.salespanda.com
www.resourcesquantm.salespanda.com
Other certificates including the domain name quantm.com
(limited to 100 certificates)
resources.quantm.com
quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
quantm.com
quantm.com
resources.quantm.com
reseller.quantm.com
resources.quantm.com
quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
coteq.quantm.com
quantm.com
coteq.quantm.com
resources.quantm.com
quantm.com
quantm.com
resources.quantm.com
quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
quantm.com
coteq.quantm.com
quantm.com
reseller.quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
resources.quantm.com
quantm.com
coteq.quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
quantm.com
quantm.com
resources.quantm.com
reseller.quantm.com
resources.quantm.com
quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
coteq.quantm.com
quantm.com
coteq.quantm.com
resources.quantm.com
quantm.com
quantm.com
resources.quantm.com
quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
quantm.com
coteq.quantm.com
quantm.com
reseller.quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
resources.quantm.com
quantm.com
coteq.quantm.com
resources.quantm.com
resources.quantm.com
quantm.com
quantm.com
Certificate
The complete raw certificate details for resources.quantm.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFIjCCBAqgAwIBAgIRANgmXHPBX1Bkp632de/3Y/AwDQYJKoZIhvcNAQELBQAw cjELMAkGA1UEBhMCVVMxCzAJBgNVBAgTAlRYMRAwDgYDVQQHEwdIb3VzdG9uMRUw EwYDVQQKEwxjUGFuZWwsIEluYy4xLTArBgNVBAMTJGNQYW5lbCwgSW5jLiBDZXJ0 aWZpY2F0aW9uIEF1dGhvcml0eTAeFw0xNzA0MDcwMDAwMDBaFw0xNzA3MDYyMzU5 NTlaMB8xHTAbBgNVBAMTFHJlc291cmNlcy5xdWFudG0uY29tMIIBIjANBgkqhkiG 9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqIJmoV8Su2SLdhjvbOJRF/3Y1uwG2SOEqe2s 2M9KNp1iN4TqqHhJYNuC/vPFr15T1Es+ter7IWPI/Cxow0EPlxnsjhFWvSJI1CgE +5bkDdwftwFUN9ZcwjU9REDUgc4h4QYbVEfe2Ijf+yk6ZXSCDN/dmE/LldocopLK LBTIvnNbOctHggQPmeVci5OT0jHIEfX6g6a/9fErc8tinoVzZU64SAtGpoiofNpB oiJGGhYF8KQNruSKheeQsmNWotpv8/ujpWlHED9M8yZZGX5AD9zkg4GdnW0osLbX oub3pwKA9VOIGWILd67yTUsOA0Oqug9Fg9hp3q5tDk5jvxsNcwIDAQABo4ICBDCC AgAwHwYDVR0jBBgwFoAUfgNaZUFrp34K4bidCOodjh1qx2UwHQYDVR0OBBYEFLOw fFVHlrpq0TradbmcTWWWYpn4MA4GA1UdDwEB/wQEAwIFoDAMBgNVHRMBAf8EAjAA MB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBPBgNVHSAESDBGMDoGCysG AQQBsjEBAgI0MCswKQYIKwYBBQUHAgEWHWh0dHBzOi8vc2VjdXJlLmNvbW9kby5j b20vQ1BTMAgGBmeBDAECATBMBgNVHR8ERTBDMEGgP6A9hjtodHRwOi8vY3JsLmNv bW9kb2NhLmNvbS9jUGFuZWxJbmNDZXJ0aWZpY2F0aW9uQXV0aG9yaXR5LmNybDB9 BggrBgEFBQcBAQRxMG8wRwYIKwYBBQUHMAKGO2h0dHA6Ly9jcnQuY29tb2RvY2Eu Y29tL2NQYW5lbEluY0NlcnRpZmljYXRpb25BdXRob3JpdHkuY3J0MCQGCCsGAQUF BzABhhhodHRwOi8vb2NzcC5jb21vZG9jYS5jb20wYwYDVR0RBFwwWoIUcmVzb3Vy Y2VzLnF1YW50bS5jb22CHnJlc291cmNlc3F1YW50bS5zYWxlc3BhbmRhLmNvbYIi d3d3LnJlc291cmNlc3F1YW50bS5zYWxlc3BhbmRhLmNvbTANBgkqhkiG9w0BAQsF AAOCAQEADkLHJFVnZ6PJp8V9fFjJ0ZXaxowKoqGiBs9NAK3qvyabfB5HrVARH70x ZQXjLVHXmucLroAnIzsfsl0v+phvzDF44VpteL0t6l5FwV0uyiJvjYHJ2daHiMOy E6bGgrVNT5rIoI78KJkYx/Wo92m4/pHVt1e2WtNieHe49Q271O8Q7Lx0mZCxtsU8 w6iBJFlvhokFTWgfJ1jwySgy0+wocvuk2VZjtF0odTNjVZhDYFknmiayDPW22s+p g/vj3nZ9LsLdtBGGxEesVX+8grgruhhDoyCko+9GtXCgbAahwTY4lJSgqoAAipSM sEDswivE+CfZaNQVFfTOHiTMVNCR/Q== -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqIJmoV8Su2SLdhjvbOJR F/3Y1uwG2SOEqe2s2M9KNp1iN4TqqHhJYNuC/vPFr15T1Es+ter7IWPI/Cxow0EP lxnsjhFWvSJI1CgE+5bkDdwftwFUN9ZcwjU9REDUgc4h4QYbVEfe2Ijf+yk6ZXSC DN/dmE/LldocopLKLBTIvnNbOctHggQPmeVci5OT0jHIEfX6g6a/9fErc8tinoVz ZU64SAtGpoiofNpBoiJGGhYF8KQNruSKheeQsmNWotpv8/ujpWlHED9M8yZZGX5A D9zkg4GdnW0osLbXoub3pwKA9VOIGWILd67yTUsOA0Oqug9Fg9hp3q5tDk5jvxsN cwIDAQAB -----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 287312429522934211585642919625491964912 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'TX' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Houston' . . . . . . . . . . . . [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 'cPanel, Inc.' . . . . . . . . . . . . [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 'cPanel, Inc. Certification Authority' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-04-07 00:00:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-07-06 23:59:59 +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 'resources.quantm.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 21272338314613553600067375230616597090828044547451223590696219549066774783509863121993857312185587087176467160096818785164491307490706194737705454889757017577093991149602620886204402983603559145882314267363273468440020291232884625903778024861405227548451924912606299878776058096961830195615927941514147619573140844881526027589693648331901321923728026269868928187891501446323373448150457630144540024208857764140954917536412165015831073613256458598865260435447443218685520499820708229979801231835094405350913623323996531088898946527675540035479374147503612251791670012320674785032939596386829206258561312242233601887603 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 7e035a65416ba77e0ae1b89d08ea1d8e1d6ac765 . . . . . . . . . . . . . . . . [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) b3b07c554796ba6ad13ada75b99c4d65966299f8 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (72 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.52 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://secure.comodo.com/CPS' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [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:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.comodoca.com/cPanelIncCertificationAuthority.crl' . . . . . . . . . . . . . . . . [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 (113 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.comodoca.com/cPanelIncCertificationAuthority.crt' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.comodoca.com' . . . . . . . . . . . . . . . . [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 (92 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'resources.quantm.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'resourcesquantm.salespanda.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.resourcesquantm.salespanda.com' . . . . [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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