Safe to Send ยท Low risk

Verify Emails at Newmark.com

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

SMTP Responsive MX 2 Auth 2/3 Persistent
Newmark.com Email Checker
LIVE
78Deliverability
2MX Records
10 / 10Free Checks
Verify 10,000 Newmark.com emails for just $9.95
Military-Grade Encryption
ISO 27001
SOC 2 Type II
GDPR
CCPA
HIPAA

Deliverability

4 signals
Deliverability78/100
Risk Score22
Blacklists0/8
Domain Age28 years

Infrastructure

5 signals
SMTP StatusResponsive
MX Records2
Authentication2/3
Accepts MailYes
Catch-AllNot detected

Classification

4 signals
Domain TypeCorporate Email
DisposableNo
Free ProviderNo
Mail ProviderProofpoint

Verification Status

June 2, 2026

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

Valid providerYesYes
Mail ProviderProofpoint
MX Records2Active
Authentication2/3Partial

Newmark.com Key Facts

Corporate Domain
Mail ProviderProofpoint
Domain TypeCorporate Email
MX Records2 mxa-001a8001.gslb.pphosted.com
SMTP StatusResponsiveResponsive
SPF / DKIM / DMARCPass / Missing / Reject
Catch-AllNot detected
DisposableNoNo
Domain Age28 years (since 1998)
RegistrarCSC Corporate Domains, Inc.
Last VerifiedJune 2, 2026

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

newmark.com publishes 2 MX records. The primary mail exchanger is mxa-001a8001.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-001a8001.gslb.pphosted.com 208.84.65.1 Reachable
10 mxb-001a8001.gslb.pphosted.com 67.231.153.49 Reachable

Infrastructure

Responsive
SMTP StatusResponsiveResponsive
Primary MXmxa-001a8001.gslb.pphosted.com
Mail ProviderProofpoint
Accepts MailYes
Catch-AllNot detected
220 mx0a-001a8001.pphosted.com ESMTP mfa-m0246087

Can you verify Newmark.com email addresses?

Yes. newmark.com is a valid email domain, operated by Newmark Group Inc.. 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 Newmark.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 Newmark.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 newmark.com mailboxes deactivated since you collected them.

Avoid dead mailboxes

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

Protect sender reputation

Low bounce rates keep you trusted by newmark.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 Newmark.com?

Newmark.com is Newmark Group Inc., registered through CSC Corporate Domains, Inc. and first seen Apr 1, 1998.

Registration (WHOIS)

.com
RegistrarCSC Corporate Domains, Inc. / IANA 299
RegisteredApr 1, 1998 / 28 years old
UpdatedMay 25, 2026
ExpiresApr 1, 2027
RegistrantValmont Industries, Inc. / NE, UNITED STATES
UDNS2.CSCDNS.UKUDNS1.CSCDNS.NET

Domain Profile

Corporate Email
Domainnewmark.com
OrganizationNewmark Group Inc.
TypeCorporate Email
Mail ProviderProofpoint
SPFPassPass
DKIMMissingMissing
DMARCRejectReject

Newmark.com is Newmark Group Inc., classified as corporate email running on Proofpoint. It operates 2 mail servers and currently accepts SMTP connections.

When verifying newmark.com addresses, the checker connects directly to Proofpoint over SMTP. With 2 of 3 authentication standards in place and SMTP currently responding, verification results for this domain carry high confidence.

How do you verify Newmark.com emails in bulk?

Upload a CSV or TXT list of Newmark.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 Newmark.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 Newmark.com emails from $0.0001 each

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

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$9.95
$0.00099 per email
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Frequently asked questions about Newmark.com

Everything about verifying email at this domain.

Yes, newmark.com is the official corporate email domain for Newmark Group Inc.. It is used for internal business communications and is not available for public registration.

No, newmark.com is a corporate email domain belonging to Newmark Group Inc., used exclusively by employees and authorized personnel.

newmark.com uses enterprise-grade mail infrastructure. Check the MX records section above for specific mail server details.

B2B marketing to newmark.com requires proper consent. Corporate domains may use catch-all configurations, so verify individual addresses before sending.

Corporate domains like newmark.com may use catch-all configurations. Use BulkEmailChecker's advanced verification to detect catch-all behavior.

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