shaw.ca - Email Domain Verification & Deliverability Report

Active ISP Email Provider

Organization: Shaw Communications

Mail Server: cloudfilter.net

Verified 3 days ago

Real-time verification data for shaw.ca. View MX records, SPF/DKIM/DMARC authentication, and server deliverability status.

Email Verification Tool

LIVE

SMTP Check

Mailbox Detection

Disposable Check

No Email Sent

MX Records for shaw.ca

Priority	Mail Server	IP Address
0	shw-central.mx.a.cloudfilter.net	`15.222.199.59`

SMTP Status: Responding

SMTP Banner:

220 shw-ibgw-4004b.ext.cloudfilter.net cmsmtp ESMTP server ready

shaw.ca uses cloudfilter.net mail servers, which means emails are processed through cloudfilter.net infrastructure with their built-in spam filtering and security controls.

Email Authentication for shaw.ca

SPF Record Pass

v=spf1 mx ip4:3.97.99.32/31 ip4:3.97.99.42/31 ip4:64.59.134.0/25 ip4:64.59.136.128/27 ip4:204.209.208.40/31 ip4:204.209.208.150/28 include:amazonses.com ~all

Authorized Senders:

amazonses.com

SPF (Sender Policy Framework) specifies which mail servers are authorized to send email on behalf of shaw.ca.

DMARC Record None

v=DMARC1; p=none; pct=100; rua=mailto:dmarc_rua_report@shaw.ca

Policy applied to: 100% of emails

DMARC (Domain-based Message Authentication) tells receiving servers what to do with emails that fail authentication checks.

DKIM Not Detected

DKIM detection is limited from external scanning. The domain may use DKIM with selectors not covered by our scan.

Authentication Summary: shaw.ca has SPF and DMARC configured. This provides good protection against email spoofing. Senders can expect reliable email delivery to this domain.

WHOIS & Domain Information

Registration Details

Domain: shaw.ca
TLD: .ca
Created: 2000-10-30
Updated: 2025-11-21
Expires: 2026-03-27
Domain Age: 25 years

Registrar

Name: Webnames.ca Inc.
IANA ID: 456

Registrant Contact

Name: Rogers Communications Canada Inc.
Organization: Rogers Communications Canada Inc.
Location: Toronto, ON, CANADA

Technical Contact

Name: Rogers Communications Canada Inc.
Organization: Rogers Communications Canada Inc.
Location: Toronto, ON, CANADA

Name Servers

a1-220.akam.net
a3-64.akam.net
a6-65.akam.net
a8-66.akam.net
a9-67.akam.net
ns7nocg.shawcable.net
ns8socg.shawcable.net
ns9htok.shawcable.net

About shaw.ca

How to Verify shaw.ca Email Addresses

Frequently Asked Questions

Is shaw.ca a valid email domain?

Yes, shaw.ca is a valid email domain provided by Shaw Communications to its internet service subscribers.

Is shaw.ca a disposable or temporary email provider?

No, shaw.ca is an ISP email domain from Shaw Communications, provided to subscribers as part of their internet service package.

What mail server does shaw.ca use?

shaw.ca uses mail servers operated by Shaw Communications. Check the MX records section above for details.

Can I send marketing emails to shaw.ca addresses?

Yes, with opt-in consent. ISP email addresses may become inactive if the subscriber cancels service. Regular list verification helps maintain deliverability.

How do I verify an email address at shaw.ca?

ISP email addresses at shaw.ca can be verified via SMTP checks. Addresses can become invalid when subscribers change providers.

How can I verify if an email address at shaw.ca is valid?

The fastest and most accurate way to verify a shaw.ca email address is to use BulkEmailChecker's free email verification tool. Simply enter the full email address and our system performs SMTP-level validation by connecting directly to shaw.ca's mail servers. You'll get instant results showing whether the mailbox exists, is deliverable, and is safe to send to, all without sending a single email.

Can I check if a shaw.ca email exists without sending an email?

Yes. BulkEmailChecker uses SMTP verification to check if a shaw.ca mailbox exists without ever delivering an email. Our system connects to the domain's mail server, performs an SMTP handshake, and queries the mail server to confirm whether the recipient address is valid. This process is completely invisible to the email recipient and does not affect your sender reputation.

What happens if I send emails to invalid shaw.ca addresses?

Sending to invalid email addresses causes hard bounces, which directly damage your sender reputation. Internet Service Providers (ISPs) and email providers track your bounce rate, and if it exceeds 2%, your emails may start landing in spam folders or get blocked entirely. Verifying shaw.ca addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.

How do I verify a large list of shaw.ca email addresses?

BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of shaw.ca email addresses and verify them all at once. Each address goes through 30+ verification checks including syntax validation, DNS/MX lookup, SMTP verification, disposable domain detection, and spam trap identification. Results are typically ready within minutes and can be downloaded as a clean, verified list.

What is email verification and why does it matter?

Email verification is the process of confirming that an email address is real, properly formatted, and capable of receiving messages. It matters because sending to invalid addresses causes bounces, damages your sender reputation, wastes marketing budget, and can get your sending IP blacklisted. BulkEmailChecker verifies addresses at the SMTP level, the most accurate method available, ensuring your emails reach real people.

What are MX records and how do they affect email delivery?

MX (Mail Exchange) records are DNS entries that specify which mail servers are responsible for receiving email for a domain. When you send an email, your mail server looks up the recipient domain's MX records to find where to deliver the message. If a domain has no MX records, it cannot receive email. BulkEmailChecker checks MX records as part of every verification to confirm the domain is configured for email delivery.

What is a catch-all domain and how does it affect verification?

A catch-all (or accept-all) domain is configured to accept email sent to any address at that domain, regardless of whether the specific mailbox exists. This makes it harder to verify individual addresses because the server always responds positively. BulkEmailChecker detects catch-all configurations and flags them in verification results so you can make informed decisions about sending to those addresses.

Can I integrate email verification into my website or application?

Yes. BulkEmailChecker offers a real-time email verification API that you can integrate into signup forms, CRM systems, lead capture tools, and any application that collects email addresses. The API validates addresses at the point of entry, blocking invalid, disposable, and risky emails before they enter your database. Integration takes just a single API call with response times under 3 seconds.

Related Domains

Browse all ISP Email Provider domains

Need to Verify More @shaw.ca Emails?

Verify any email address instantly for deliverability, catch-all detection, and inbox verification.

Free @shaw.ca Checker View Bulk Pricing

No Credit Card Required 99.7% Accuracy Real-time API Available

ISO 27001 Security Certified

SOC 2 Type II Auditor Verified

GDPR Fully Compliant

CCPA Privacy Ready

HIPAA Healthcare Ready

AES-256 Encryption