Safe to Send ยท Low risk

Verify Emails at Priceline.com

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

SMTP Responsive MX 2 Auth 3/3 Persistent
Priceline.com Email Checker
LIVE
85Deliverability
2MX Records
10 / 10Free Checks
Verify 10,000 Priceline.com 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 Age28 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records2
Authentication3/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeCorporate Email
DisposableNo
Free ProviderNo
Mail ProviderProofpoint

Verification Status

May 31, 2026

Yes. You can verify any @Priceline.com address in real time with a direct SMTP handshake that provides 99.7% accuracy. Priceline.com is operated by Booking Holdings, runs 2 mail servers, enforces 3 of 3 authentication standards, and is currently responding to SMTP.

Valid providerYesYes
Mail ProviderProofpoint
MX Records2Active
Authentication3/3Full

Priceline.com Key Facts

Corporate Domain
Mail ProviderProofpoint
Domain TypeCorporate Email
MX Records2 mxa-001adf01.gslb.pphosted.com
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Pass / Quarantine
Catch-AllNot detected
DisposableNoNo
Domain Age28 years (since 1997)
RegistrarMarkMonitor, Inc.
Last VerifiedMay 31, 2026

How to read your Priceline.com 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 Priceline.com's MX records?

priceline.com publishes 2 MX records. The primary mail exchanger is mxa-001adf01.gslb.pphosted.com, hosted by Proofpoint, and it is currently reachable and answering SMTP. Mail is routed through these servers in priority order, lowest number first.

MX Records

2 records
PriorityHostnameIPStatus
10 mxa-001adf01.gslb.pphosted.com 66.159.239.250 Reachable
10 mxb-001adf01.gslb.pphosted.com 66.159.248.25 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXmxa-001adf01.gslb.pphosted.com
Mail ProviderProofpoint
Accepts MailYes
Catch-AllNot detected
220 mx0b-001adf01.pphosted.com ESMTP mfa-m0489207

Can you verify Priceline.com email addresses?

Yes. priceline.com is a valid email domain, operated by Booking Holdings. 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 Priceline.com'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 Priceline.com 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.

Catch role changes

People leave companies. Verification flags priceline.com mailboxes deactivated since you collected them.

Avoid dead mailboxes

Expired or full priceline.com inboxes hard-bounce. A live SMTP check catches them before you hit send.

Protect sender reputation

Low bounce rates keep you trusted by priceline.com mail servers and the major mailbox providers.

Keep CRM data accurate

Verified contacts mean your CRM, lead scoring, and routing all run on addresses that reach a person.

Who operates Priceline.com?

Priceline.com is Booking Holdings, registered through MarkMonitor, Inc. and first seen Jun 19, 1997.

Registration (WHOIS)

.com
RegistrarMarkMonitor, Inc. / IANA 292
RegisteredJun 19, 1997 / 28 years old
UpdatedMar 5, 2026
ExpiresApr 5, 2028
Registrantpriceline.com LLC / UNITED STATES
Tech ContactUNITED STATES
dns1.p09.nsone.netdns3.p09.nsone.netdns2.p09.nsone.netdns4.p09.nsone.net

Domain Profile

Corporate Email
Domainpriceline.com
OrganizationBooking Holdings
TypeCorporate Email
Mail ProviderProofpoint
SPFPassPass
DKIMPassPass
DMARCQuarantineQuarantine

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 do you verify Priceline.com emails in bulk?

Upload a CSV or TXT list of Priceline.com 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 Priceline.com 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 Priceline.com 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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25,000 Verifications
$23.95
$0.00095 per email
One-time payment. No contracts.
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50,000 Verifications
$44.95
$0.00089 per email
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100,000 Verifications
$74.95
$0.00075 per email
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Frequently asked questions about Priceline.com

Everything about verifying email at this domain.

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.

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 priceline.com's mail servers, the same engine that has verified billions of addresses since 2012.