booking.com - Email Domain Verification & Deliverability Report

Active Corporate Email
Organization: Booking Holdings
Mail Server: Proofpoint
Verified 5 days ago

Verify email addresses @booking.com. View MX records, mail server configuration, and authentication status for Booking Holdings.

Email Verification Tool
LIVE
SMTP Check
Mailbox Detection
Disposable Check
No Email Sent

MX Records for booking.com

PriorityMail ServerIP Address
10 mxa-0032a201.gslb.pphosted.com 185.183.29.154
10 mxb-0032a201.gslb.pphosted.com 185.183.29.154
SMTP Status: Responding
SMTP Banner:
220 mx08-0032a201.pphosted.com ESMTP mfa-m0176163

booking.com uses Proofpoint mail servers, which means emails are processed through Proofpoint infrastructure with their built-in spam filtering and security controls.

Email Authentication for booking.com

SPF Record Pass

v=spf1 include:%{ir}.%{v}.%{d}.spf.has.pphosted.com -all
Authorized Senders:
%{ir}.%{v}.%{d}.spf.has.pphosted.com

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

DMARC Record Reject

v=DMARC1; p=reject; rua=mailto:dmarc_rua@emaildefense.proofpoint.com,mailto:booking@dmarc.postmastery.eu; ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com

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

DKIM Found

DKIM signatures were detected for booking.com, confirming that this domain cryptographically signs outgoing emails.

Authentication Summary: booking.com has full email authentication configured with SPF, DMARC, and DKIM. This provides strong protection against email spoofing and phishing. Emails sent from this domain are well-authenticated and likely to have high deliverability.

WHOIS & Domain Information

Registration Details

Domain
booking.com
TLD
.com
Created
1998-04-16
Updated
2025-03-15
Expires
2027-04-15
Domain Age
27 years

Registrar

Name
MarkMonitor, Inc.
IANA ID
292

Registrant Contact

Organization
Booking.com B.V.
Location
NETHERLANDS

Technical Contact

Location
NETHERLANDS

Name Servers

  • ns-1288.awsdns-33.org
  • ns-1959.awsdns-52.co.uk
  • ns-508.awsdns-63.com
  • ns-716.awsdns-25.net

Verifying Emails at Booking Holdings

Booking Holdings (booking.com) operates the world's largest online travel agency by room nights sold, headquartered in Amsterdam, the Netherlands. Booking.com lists over 28 million accommodation options across 228 countries and serves hundreds of millions of travelers annually. The platform is one of the most visited travel websites globally.

Booking.com implements robust email authentication on the booking.com domain with SPF, DKIM, and DMARC enforcement. Travel platforms are prime targets for phishing campaigns impersonating reservation confirmations, payment requests, and property owner notifications. Strong authentication protects the massive user base from fraudulent communications.

Email verification against booking.com returns definitive responses for valid and invalid mailboxes. The domain does not function as catch-all. Booking.com's enterprise mail infrastructure implements rate limiting on inbound SMTP connections.

For hotel partners communicating with Booking.com employees, proper sender authentication improves deliverability. Booking.com's corporate email filters enforce SPF, DKIM, and DMARC validation. Maintaining authentication compliance and clean reputation ensures reliable delivery to booking.com addresses.

How to Verify booking.com Email Addresses

Need to check if an email address at booking.com actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to booking.com's mail servers to confirm the mailbox is real, active, and able to receive your message. No test email is ever sent, so your sender reputation stays protected.

Verify a Single booking.com Email
Use BulkEmailChecker's free email verification tool to instantly validate any booking.com address. You'll get a complete deliverability report including mailbox existence, catch-all detection, disposable domain flagging, and risk scoring, all in under 3 seconds.

Verify a List of booking.com Emails in Bulk
Have a mailing list full of booking.com addresses? Upload your CSV or TXT file to BulkEmailChecker and verify thousands of email addresses in minutes. Our bulk verification engine runs 30+ checks per address including syntax validation, DNS resolution, SMTP handshake, and spam trap detection. Clean your list before every campaign to keep bounce rates below 2% and protect your sender score. See bulk pricing.

Verify booking.com Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates booking.com email addresses at the point of entry, blocking invalid, disposable, and risky addresses before they enter your database. Integrate with a single API call and prevent bad data at the source.

Frequently Asked Questions

Yes, booking.com is the official corporate email domain for Booking Holdings. It is used for internal business communications.
No, booking.com is a corporate email domain belonging to Booking Holdings, used exclusively by employees and authorized personnel.
booking.com uses enterprise-grade mail infrastructure. Check the MX records section for specific mail server details.
B2B marketing to booking.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
Corporate domains like booking.com may use catch-all configurations that accept all addresses. Use BulkEmailChecker advanced verification to detect catch-all behavior and validate individual mailboxes.
The fastest and most accurate way to verify a booking.com 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 booking.com'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.
Yes. BulkEmailChecker uses SMTP verification to check if a booking.com 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.
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 booking.com addresses with BulkEmailChecker before sending prevents bounces and keeps your deliverability high.
BulkEmailChecker's bulk verification service lets you upload a CSV or TXT file containing thousands of booking.com 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.
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.
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.
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.
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

sophos.com
Sophos Ltd.
corporate
cloudflare.com
Cloudflare Inc.
corporate
rapid7.com
Rapid7 Inc.
corporate
tropicana.com
Tropicana Products
corporate
suse.com
SUSE Linux
corporate
caesars.com
Caesars Entertainment
corporate
nba.com
National Basketball Association
corporate
totvs.com
TOTVS SA
corporate
Browse all Corporate Email domains

Need to Verify More @booking.com Emails?

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

Free @booking.com 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