priceline.com - Email Domain Verification & Deliverability Report

Active Corporate Email
Organization: Booking Holdings
Mail Server: Proofpoint
Verified 6 days ago

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

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MX Records for priceline.com

PriorityMail ServerIP Address
10 mxb-001adf01.gslb.pphosted.com 66.159.239.250
10 mxa-001adf01.gslb.pphosted.com 66.159.248.25
SMTP Status: Responding
SMTP Banner:
220 mx0b-001adf01.pphosted.com ESMTP mfa-m0489206

priceline.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 priceline.com

SPF Record Pass

v=spf1 include:priceline-spf.priceline.com include:priceline-sendgrid.priceline.com include:priceline-sendgrid1.priceline.com include:_spf.atlassian.net include:_spf.google.com include:7304094.spf08.hubspotemail.net ~all
Authorized Senders:
priceline-spf.priceline.com priceline-sendgrid.priceline.com priceline-sendgrid1.priceline.com _spf.atlassian.net _spf.google.com 7304094.spf08.hubspotemail.net

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

DMARC Record Quarantine

v=DMARC1;p=quarantine;pct=100;rua=mailto:dmarcstats@priceline.com;ruf=mailto:dmarcmessages@priceline.com

Policy applied to: 100% of emails

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

DKIM Found

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

Authentication Summary: priceline.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
priceline.com
TLD
.com
Created
1997-06-19
Updated
2024-08-01
Expires
2026-04-05
Domain Age
28 years

Registrar

Name
MarkMonitor, Inc.
IANA ID
292

Registrant Contact

Organization
priceline.com LLC
Location
UNITED STATES

Technical Contact

Location
UNITED STATES

Name Servers

  • dns1.p09.nsone.net
  • dns3.p09.nsone.net
  • dns2.p09.nsone.net
  • dns4.p09.nsone.net

Verifying Emails at Booking Holdings

Priceline (priceline.com), a Booking Holdings company, is an online travel agency headquartered in Norwalk, Connecticut. Priceline provides discount rates for travel-related purchases including airline tickets, hotel stays, rental cars, and vacation packages. The platform is known for its "Name Your Own Price" bidding model and Express Deals.

Priceline implements email authentication on the priceline.com domain with SPF, DKIM, and DMARC enforcement. As an online travel platform, Priceline faces phishing threats from campaigns impersonating booking confirmations, price alerts, and travel deal notifications targeting travelers.

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

For partners communicating with Priceline employees, proper sender authentication is important. Priceline's corporate email filters enforce SPF, DKIM, and DMARC validation. Full authentication compliance ensures reliable inbox delivery to priceline.com addresses.

How to Verify priceline.com Email Addresses

Need to check if an email address at priceline.com actually exists before you send to it? BulkEmailChecker performs deep SMTP-level validation, connecting directly to priceline.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 priceline.com Email
Use BulkEmailChecker's free email verification tool to instantly validate any priceline.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 priceline.com Emails in Bulk
Have a mailing list full of priceline.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 priceline.com Emails via API in Real-Time
Building a signup form, CRM integration, or lead capture system? BulkEmailChecker's real-time verification API validates priceline.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, priceline.com is the official corporate email domain for Booking Holdings. It is used for internal business communications.
No, priceline.com is a corporate email domain belonging to Booking Holdings, used exclusively by employees and authorized personnel.
priceline.com uses enterprise-grade mail infrastructure. Check the MX records section for specific mail server details.
B2B marketing to priceline.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.
Corporate domains like priceline.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 priceline.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 priceline.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 priceline.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 priceline.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 priceline.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.

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