Safe to Send · Low risk

Verify Emails at Hotmail.co.th

Real-time SMTP verification with 99.7% accuracy. Check any @hotmail.co.th address before you send, no signup required.

SMTP Responsive MX 1 Auth 3/3 Persistent
Hotmail.co.th Email Checker
LIVE
85Deliverability
1MX Records
10 / 10Free Checks
Verify 10,000 Hotmail.co.th emails for just $9.95
Military-Grade Encryption
ISO 27001
SOC 2 Type II
GDPR
CCPA
HIPAA

Deliverability

4 signals
Deliverability85/100
Risk Score15
Blacklists0/8
Domain Age22 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records1
Authentication3/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeFree Email Provider
DisposableNo
Free ProviderYes
Mail ProviderMicrosoft 365

Verification Status

May 30, 2026

Yes. You can verify any @Hotmail.co.th address in real time with a direct SMTP handshake that provides 99.7% accuracy. Hotmail.co.th is operated by Microsoft Corporation, runs 1 mail server, enforces 3 of 3 authentication standards, and is currently responding to SMTP.

Valid providerYesYes
Mail ProviderMicrosoft 365
MX Records1Active
Authentication3/3Full

Hotmail.co.th Key Facts

Microsoft 365
Mail ProviderMicrosoft 365
Domain TypeFree Email Provider
MX Records1 apc.olc.protection.outlook.com
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Pass / None
Catch-AllNot detected
DisposableNoNo
Domain Age22 years (since 2003)
RegistrarTHNIC
Last VerifiedMay 30, 2026

How to read your Hotmail.co.th verification result

Every check returns one of three clear outcomes so you know exactly what to do with the address.

Passed - Safe to Send

The mailbox exists and accepts mail. Send with confidence, the address is deliverable.

Failed - Do Not Send

The mailbox does not exist, is disposable, or will hard-bounce. Remove it to protect your sender reputation.

Unknown - Use Caution

The server is catch-all or greylisting, so existence cannot be confirmed. Send selectively and watch engagement.

What are Hotmail.co.th's MX records?

hotmail.co.th publishes 1 MX record. The primary mail exchanger is apc.olc.protection.outlook.com, hosted by Microsoft 365, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

1 record
PriorityHostnameIPStatus
10 apc.olc.protection.outlook.com 52.101.194.16 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXapc.olc.protection.outlook.com
Mail ProviderMicrosoft 365
Accepts MailYes
Catch-AllNot detected
220 CY4PEPF0000EDD2.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Sat, 30 May 2026 14:11:15 +0000 [08DEBCDE65E9EDD9]

Can you verify Hotmail.co.th email addresses?

Yes. hotmail.co.th is a valid email provider, operated by Microsoft Corporation. Addresses are persistent and real mail reaches a genuine recipient. Individual mailboxes still go stale, so verify each one before you send.

Verification method

SMTP

A live SMTP handshake connects to Hotmail.co.th's mail server and asks whether the mailbox exists using the RCPT TO command, without ever transmitting a message. The recipient never sees the check.

Accuracy

99.7%

Each address runs through 30+ checks including SMTP existence, catch-all detection, role-account filtering, and disposable matching. The same engine has verified billions of addresses since 2012.

Why verify Hotmail.co.th emails before you send?

Every unverified address is a gamble. Here is what happens when you skip verification and mail a list that has not been cleaned.

Filter abandoned accounts

Free inboxes get abandoned constantly. Verification drops the dead hotmail.co.th mailboxes before you mail them.

Catch typos

Mistyped hotmail.co.th addresses fail a real SMTP check, so they never turn into a hard bounce.

Protect deliverability

A clean list keeps your bounce rate low, and a low bounce rate is what protects inbox placement on a big send.

Lift open rates

Mailing only live hotmail.co.th addresses raises every rate that matters: opens, clicks, and replies.

Who operates Hotmail.co.th?

Hotmail.co.th is Microsoft Corporation, registered through THNIC and first seen Dec 18, 2003.

Registration (WHOIS)

.co.th
RegistrarTHNIC / IANA 1535
RegisteredDec 18, 2003 / 22 years old
UpdatedDec 13, 2024
ExpiresDec 17, 2026
RegistrantMicrosoft Corporation (ไมโครซอฟท์ คอร์ปอเรชั่น) / THAILAND
Tech ContactPersonal Information / Personal Information
NS2-07.AZURE-DNS.NETNS1-07.AZURE-DNS.COMNS3-07.AZURE-DNS.ORGNS4-07.AZURE-DNS.INFO

Domain Profile

Free Email Provider
Domainhotmail.co.th
OrganizationMicrosoft Corporation
TypeFree Email Provider
Mail ProviderMicrosoft 365
SPFPassPass
DKIMPassPass
DMARCNoneNone

hotmail.co.th is the Thai regional variant of Microsoft's Hotmail, now part of Outlook.com. This domain serves Thai users who created accounts before the migration. All addresses operate through Microsoft's Exchange Online infrastructure.

hotmail.co.th uses Microsoft's full authentication stack with SPF, DKIM, and DMARC. Exchange Online Protection provides enterprise-grade security across all Microsoft consumer email domains.

The hotmail.co.th mail servers enforce recipient verification and reject invalid addresses. The domain does not function as catch-all. Consistent rate limiting applies across all Hotmail variants.

For delivery to hotmail.co.th, follow Microsoft's sender guidelines. Authenticate with SPF, DKIM, and DMARC. Use SNDS to track performance.

How do you verify Hotmail.co.th emails in bulk?

Upload a CSV or TXT list of Hotmail.co.th addresses to the bulk email verifier. Every address runs through a live SMTP handshake plus catch-all, role-account and disposable detection, and you download a clean list when processing completes. For real-time checks at signup, use the real-time email verification API.

1

Upload your list

CSV or TXT with one email per line. No formatting needed.

2

SMTP verification runs

Each Hotmail.co.th address is checked with a live server handshake.

3

Download clean results

Get a verified list with status codes, risk flags, and catch-all detection.

Verify Hotmail.co.th emails from $0.0001 each

Pay as you go. No subscriptions, and credits never expire.

10,000 Verifications
$9.95
$0.00099 per email
One-time payment. No contracts.
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$23.95
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Frequently asked questions about Hotmail.co.th

Everything about verifying email at this domain.

Yes, hotmail.co.th is a valid free email domain operated by Microsoft Corporation. It provides permanent email accounts to users.

No, hotmail.co.th is not a disposable or temporary email provider. It offers permanent email accounts with standard email features.

hotmail.co.th uses mail servers operated by Microsoft Corporation. Check the MX records section above for specific server details.

Yes, with proper opt-in consent. Follow email best practices and ensure SPF, DKIM, and DMARC authentication is configured for your sending domain.

Use BulkEmailChecker to verify hotmail.co.th addresses via SMTP checks. Verification behavior varies by provider. Our tool handles provider-specific rate limiting automatically.

Upload a CSV or TXT list to the bulk email verifier. Every address runs through 30+ checks including SMTP existence, catch-all detection, role-account, and disposable matching. Processing time depends on list size.

99.7% accurate using a direct SMTP handshake with hotmail.co.th's mail servers, the same engine that has verified billions of addresses since 2012.