Domain Intelligence
Last Updated:
Yahoo.ca
Safe to Send
Yahoo.ca is operated by Yahoo Inc.. The domain runs 3 mail exchanges and SMTP is responsive, with 2 of 3 authentication standards in place.
Safe to Send
RISK
17
/100
Low
Verify Mailbox
Verify @yahoo.ca emails
Live SMTP handshake against yahoo.ca mail servers. No email is sent. 10 free per day, no signup.
Trusted by 400,000+ senders
4.9/5
From 8,500+ verified reviews
Switched after a billing dispute with NeverBounce. Same SMTP results on a 5k test sample. The MX, SPF, DKIM lookup tools are a hidden value-add for debugging client deliverability complaints. James Wexler · Growth Engineer
SOC 2 Type II
GDPR
CCPA
99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
3
Mail exchangers
Mail Exchange (MX) Records for yahoo.ca Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.
#10
mta5.am0.yahoodns.net 67.195.228.106
Reachable
#10
mta7.am0.yahoodns.net 67.195.228.110
Reachable
#10
mta6.am0.yahoodns.net 67.195.204.74
Reachable
SMTP Handshake
Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections.
Responsive
BANNER220 mtaproxy210.free.mail.gq1.yahoo.com ESMTP ready
Primary mail server accepted SMTP connection and returned a banner during the live audit.
yahoo.ca Email Authentication SPF · DKIM · DMARC
SPF
Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers.
Pass
TXTv=spf1 redirect=_spf.mail.yahoo.com
Authorized senders are defined and pass SPF policy.
DKIM
DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS.
Missing
No DKIM signature detected on common selectors for yahoo.ca.
No DKIM signature was detected. Receivers cannot verify the integrity of outbound mail.
DMARC
Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject.
Reject
TXTv=DMARC1; p=reject; pct=100; rua=mailto:d@rua.agari.com; ruf=mailto:d@ruf.agari.com;
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.
yahoo.ca Domain Registration WHOIS · Nameservers · Registrar
RegistrarMarkMonitor International Canada Ltd.
IANA ID292
RegisteredOctober 3, 2000
Last UpdatedSeptember 21, 2025
ExpiresSeptember 21, 2026
Age25 years
TLD.ca
Authoritative Nameservers (5)
- ns1.yahoo.com
- ns2.yahoo.com
- ns3.yahoo.com
- ns5.yahoo.com
- ns7.yahoo.com
Registrant
Yahoo Canada Corp.
domainip@yahooinc.com·Toronto, ON, CANADA·14162638100
Technical Contact
Andres Lorca
Yahoo Canada Corp.
domainip@yahooinc.com·Toronto, ON, CANADA·14162638100
About this Domain
About yahoo.ca
yahoo.ca is the Canadian variant of Yahoo Mail, operated by Yahoo Inc. This domain serves Canadian users who registered with a localized Yahoo address. All accounts operate through Yahoo's global email infrastructure.
yahoo.ca shares Yahoo's comprehensive authentication with SPF, DKIM, and DMARC enforcement. Yahoo Mail's anti-spam infrastructure provides consistent security across all regional domains.
The yahoo.ca mail servers enforce recipient verification and reject invalid addresses. The domain does not function as catch-all.
Delivering to yahoo.ca follows Yahoo's standard sender requirements. Authenticate with SPF, DKIM, and DMARC. Follow Yahoo's postmaster guidelines and maintain low complaint rates.
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More Email Verification Tools
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Common Questions About yahoo.ca
Is yahoo.ca a disposable or temporary email provider?
No. yahoo.ca is not a disposable email provider. It is classified as Free Email Provider operated by Yahoo Inc. and addresses on yahoo.ca are persistent rather than throwaway. Mail sent to a valid yahoo.ca mailbox reaches a real recipient.
How do I verify if a yahoo.ca email address is valid?
The fastest way to verify a yahoo.ca email address is to use our free email checker. Enter any @yahoo.ca mailbox at the top of this page and our system performs a real-time SMTP handshake against yahoo.ca's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a yahoo.ca email exists without sending a message?
Yes. Our real-time email verification API connects directly to yahoo.ca's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the yahoo.ca mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for yahoo.ca?
yahoo.ca currently publishes 3 mail exchange (MX) records. The primary MX is mta5.am0.yahoodns.net, which is the first server contacted when other mail systems try to deliver email to a yahoo.ca address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for yahoo.ca.
Does yahoo.ca use SPF, DKIM, and DMARC email authentication?
yahoo.ca has 2 of the 3 standard email authentication records in place: SPF, and DMARC (policy: reject). Adding the missing layer(s) would tighten anti-spoofing protection and improve deliverability for legitimate yahoo.ca mail.
Why do emails to yahoo.ca bounce or get blocked?
Bounces from yahoo.ca usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to yahoo.ca's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so yahoo.ca's receivers trust you.
How can I verify a large list of yahoo.ca email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of yahoo.ca addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, yahoo.ca catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from yahoo.ca email addresses?
Yes, with normal hygiene. yahoo.ca is a legitimate email service and signups from @yahoo.ca behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block yahoo.ca by default.
What email format does yahoo.ca use for usernames?
Most yahoo.ca mailboxes follow common patterns like first.last@yahoo.ca, firstinitiallast@yahoo.ca, or first@yahoo.ca, but the actual local-part rules depend on Yahoo Inc.. The only reliable way to confirm whether a specific @yahoo.ca address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the yahoo.ca risk score calculated?
The 0-to-100 risk score for yahoo.ca combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The yahoo.ca score is recomputed on every audit so it always reflects the live state of the domain.
Is yahoo.ca a valid email domain?
Yes, yahoo.ca is a valid email domain operated by Yahoo Inc. for Canadian users.
Is yahoo.ca a disposable or temporary email provider?
No, yahoo.ca is a permanent Yahoo Mail service for Canada.
What mail server does yahoo.ca use?
Yahoo.ca uses Yahoo's global mail servers shared across all regional Yahoo domains.
Can I send marketing emails to yahoo.ca addresses?
Yes, with proper consent and compliance with Canada's CASL anti-spam legislation.
How do I verify an email address at yahoo.ca?
Yahoo.ca addresses are verified via SMTP through Yahoo's unified mail infrastructure.