topmovingcompany4u.ca

Issued by cPanel, Inc. Certification Authority

About this certificate

This digital certificate with serial number 83:32:4d:86:dd:c1:5b:22:90:42:63:13:be:7a:06:10 was issued on by cPanel, Inc..

With 6 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=topmovingcompany4u.ca

cPanel, Inc.

Organization: cPanel, Inc.
State / Province: TX
Locality: Houston
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 83:32:4d:86:dd:c1:5b:22:90:42:63:13:be:7a:06:10
Serial Number (int): 174390054721493919048506234275534341648
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 4b:32:92:92:e3:e9:c7:b0:4d:07:d2:1e:f1:a0:a8:d6:3e:24:4b:70
AuthorityKeyId: 7e:03:5a:65:41:6b:a7:7e:0a:e1:b8:9d:08:ea:1d:8e:1d:6a:c7:65

Fingerprint (sha1): 83:00:66:96:b1:76:dc:1b:62:d5:3d:84:76:77:61:04:bd:1a:83:da
Fingerprint (sha256): 8a:90:86:7b:bc:fb:98:ff:87:cf:29:e7:40:86:83:30:96:52:be:9b:59:1d:3f:f3:b6:f9:b1:61:d0:0a:4b:ae

Issuing Certificate URL: http://crt.comodoca.com/cPanelIncCertificationAuthority.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl

Check the revocation status for certificate topmovingcompany4u.ca

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for topmovingcompany4u.ca

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

topmovingcompany4u.ca
cpanel.topmovingcompany4u.ca
mail.topmovingcompany4u.ca
webdisk.topmovingcompany4u.ca
webmail.topmovingcompany4u.ca
www.topmovingcompany4u.ca

Other certificates including the domain name topmovingcompany4u.ca

(limited to 100 certificates)

Certificate

The complete raw certificate details for topmovingcompany4u.ca in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsj8p93FylcfEnC/uaGO4
jI0SxNqvh/76awCCWZjEJx6zVvlM938shp2QTaszvi/MyX9RW6WKkgek8dH53CmK
4J1pZ3pK2g55BKpfH2BVyc72Ix69AWeDHCVk1yEZwqJmgSaaP8obpPhMwpfHkO/v
PXO7SUf2rj4Z6rJYMk5PQ1Xv0FXOy7Chkqt/MlPVB5gWt/8APfjJL4MLa+HUV3vd
SRZNHh2VhHgotqUeDyd1tq7AFwLk2C9xNyj4kBTeUnshUpAEaAYKS5YP7i97RjrV
GyoQ+mxYResiHuYharuVbna15Z3yHRx7zyzY0Rysx2x8u2Eu0ECyPnmyfxPAorh/
MQIDAQAB
-----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 174390054721493919048506234275534341648
 . . . . . . . . [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 2018-03-16 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-06-14 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 'topmovingcompany4u.ca'
 . . . . . . . . [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 22501565579670157726552154490415292635424650673115117971828063921380028067128946351887460166491908493210083818930475013246280065150657857971799198939342824404153309397586181003394090750395440450682544658852899133218286924174170819818001783844522432929371220399949050332167388948260832452230014187407589426524985201489780383137406672970141736546630148675024502649698183440807712426498816087248728385099200003428581449644611898785728316100621940894154158066275847221101417180332571853936888300740154564877356028961609267638246183428025681009894391606263477839840601193940809098980304195104737584839722184840406143369009
 . . . . . . . . . . . . . . . . . . . . [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)
							4b329292e3e9c7b04d07d21ef1a0a8d63e244b70
 . . . . . . . . . . . . . . . . [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 (173 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'topmovingcompany4u.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.topmovingcompany4u.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.topmovingcompany4u.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.topmovingcompany4u.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.topmovingcompany4u.ca'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.topmovingcompany4u.ca'
 . . . . [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)
		0072a8516a181337630ac1fbc3f2785bafd4ca73702724b4637c4ae70ad9fd4cfa0e52d1c8b9625c573440c6e5e6a5d3dbc76fb0ad2873c5a84fd3dc6aa18f3d3ad58fd331a11b5b3e857b55e85297f19aecf309012c7b67b3ceadd13d662c839d8d2fcf1c430ee4f39b5322d894f5c5c7fb892ee5d42a2d81dde45f8183a90c3c64d69f273cc2cf325c28df49b2ebbd5c4f6e77ba39068bfbc96747f68b783d189faafbfb9cb8fe62a704cb3c33ec9bdfcb6274868e29a7c23e5c27206dfbd00d7ca594825b0e65f3b125180b03eb40ab6935ef1235a954094de16adf670dc7b39e363dfd9a725137e2541d825e0626c23028afa7268b55f946603ccb8793eb1f