Domain Intelligence
Last Updated:

Dsm.com

Safe to Send

Dsm.com is operated by DSM-Firmenich. The domain runs 2 mail exchanges and SMTP is responsive, with all three authentication standards in force.

Safe to Send
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Live SMTP handshake against dsm.com mail servers. No email is sent. 10 free per day, no signup.

@dsm.com
No email sent No signup Real-time SMTP

Trusted by 400,000+ senders

4.9/5
From 8,500+ verified reviews
Reached out to support during our API integration last month. Response in under 15 minutes, the rep was so sharp and helpful that by the end of the thread it honestly felt like I was flirting with him. Amazing support team. A+++. Nathan Orozco · Lead Engineer · via X
SOC 2 Type II GDPR CCPA 99.7% Accuracy
Disposable
No
Persistent addresses, not throwaway
SMTP Live
Yes
Mail server responds to SMTP handshake
MX Records
2
Mail exchangers

Mail Exchange (MX) Records for dsm.com Mail Exchange records. They tell other mail servers which hosts are responsible for receiving email at this domain, in priority order. Lower priority numbers are tried first.

2 RECORDS
#10
mxb-002cd202.gslb.pphosted.com 185.183.31.1
Reachable
#10
mxa-002cd202.gslb.pphosted.com 185.132.183.217
Reachable
SMTP Handshake Simple Mail Transfer Protocol. We open a live SMTP connection to the primary MX and read the greeting banner. A response confirms the mail server is alive and accepting connections. Responsive
BANNER220 mx08-002cd202.pphosted.com ESMTP mfa-m0210047
Primary mail server accepted SMTP connection and returned a banner during the live audit.

dsm.com Email Authentication SPF · DKIM · DMARC

3/3 PASS
SPF Sender Policy Framework. A DNS record listing which servers are allowed to send mail for this domain. Receivers reject or flag mail from unauthorized servers. Pass
TXTv=spf1 include:_spf.intermax.nl include:spf.protection.outlook.com include:_spf.cmail.ondemand.com include:spf.diligent.com include:_spf-dc12.successfactors.com ip4:185.136.188.88 ip4:185.136.189.88 ip4:195.25.15.178 ip4:195.25.15.183 ip4:52.28.252.18 ip4:90.84.186.186 ip4:90.84.184.91 ip4:52.29.5.79 ip4:52.29.24.224 ip4:85.158.205.232 ip4:85.158.205.238 ip4:74.120.148.152 ip4:83.231.160.128/26 ip4:212.187.169.64/26 include:mktomail.com include:spf-002cd202.pphosted.com -all
Authorized senders are defined and pass SPF policy.
DKIM DomainKeys Identified Mail. The sending server cryptographically signs outbound mail with a private key, and receivers verify the signature using a public key in DNS. Pass
SELECTORDetected via standard selectors
A DKIM signature was detected. Outbound mail from this domain can be cryptographically verified.
DMARC Domain-based Message Authentication, Reporting & Conformance. Tells receivers what to do when SPF or DKIM checks fail: none, quarantine, or reject. Reject
TXTv=DMARC1; p=reject; rua=mailto:pbwmoknq@ag.eu.dmarcadvisor.com; ruf=mailto:pbwmoknq@fr.eu.dmarcadvisor.com;
Strict policy. Receivers are instructed to reject any mail that fails SPF or DKIM. The strongest available setting.

dsm.com Domain Registration WHOIS · Nameservers · Registrar

28 YEARS OLD
RegistrarGANDI SAS
IANA ID81
RegisteredJuly 2, 1997
Last UpdatedDecember 15, 2025
ExpiresJuly 2, 2027
Age28 years
TLD.com
Authoritative Nameservers (3)
  • NS-245-A.GANDI.NET
  • NS-217-B.GANDI.NET
  • NS-206-C.GANDI.NET
Registrant
DSM Intellectual Property
DSM IP ASSETS B.V.
domreg@vanksen.com·Maastricht, NETHERLANDS·31884257302
Technical Contact
IP Department
VKGP SA
domreg@vanksen.com·Bertrange, LUXEMBOURG·352489090352

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Common Questions About dsm.com

Is dsm.com a disposable or temporary email provider?
No. dsm.com is not a disposable email provider. It is classified as Corporate Email operated by DSM-Firmenich and addresses on dsm.com are persistent rather than throwaway. Mail sent to a valid dsm.com mailbox reaches a real recipient.
How do I verify if a dsm.com email address is valid?
The fastest way to verify a dsm.com email address is to use our free email checker. Enter any @dsm.com mailbox at the top of this page and our system performs a real-time SMTP handshake against dsm.com's mail servers, confirming whether the mailbox exists, is reachable, and is safe to send to. No email is ever delivered during the check.
Can I check if a dsm.com email exists without sending a message?
Yes. Our real-time email verification API connects directly to dsm.com's mail server, opens an SMTP session, and queries the mailbox using the RCPT TO command without ever transmitting an actual email. The server's response confirms whether the dsm.com mailbox is valid, full, or non-existent. The recipient never receives anything and never sees the check.
What are the MX records for dsm.com?
dsm.com currently publishes 2 mail exchange (MX) records. The primary MX is mxb-002cd202.gslb.pphosted.com, which is the first server contacted when other mail systems try to deliver email to a dsm.com address. The full list with priorities and IP addresses is in the MX Records panel above. MX records tell sending servers where to route email for dsm.com.
Does dsm.com use SPF, DKIM, and DMARC email authentication?
dsm.com enforces all three email authentication standards: SPF, DKIM, and DMARC (policy: reject). This is the gold-standard configuration. It means receivers can verify that mail claiming to come from @dsm.com is genuine, and dsm.com's DMARC policy of 'reject' instructs receivers how to handle messages that fail those checks.
Why do emails to dsm.com bounce or get blocked?
Bounces from dsm.com usually fall into three buckets: the mailbox doesn't exist (5xx user unknown), the inbox is full, or your sending domain isn't authenticated to dsm.com's satisfaction. The fastest fix is to run each address through a free email verifier before you send, and to make sure your own SPF, DKIM, and DMARC are configured correctly so dsm.com's receivers trust you.
How can I verify a large list of dsm.com email addresses?
Our bulk email verifier accepts CSV or TXT uploads with thousands or millions of dsm.com addresses (or any mix of domains). Every address goes through 30+ checks including SMTP existence, dsm.com catch-all detection, role-account detection, and disposable-domain matching. Results typically come back within minutes and previously-failed addresses on your blacklist are reprocessed for free. For continuous high-volume needs, see our unlimited email verification API.
Is it safe to accept signups from dsm.com email addresses?
Yes, with normal hygiene. dsm.com is a legitimate email service and signups from @dsm.com behave like any other real user. Pipe each address through a real-time email verifier API at the moment of signup to catch typos and dead mailboxes, but there is no need to block dsm.com by default.
What email format does dsm.com use for usernames?
Most dsm.com mailboxes follow common patterns like first.last@dsm.com, firstinitiallast@dsm.com, or first@dsm.com, but the actual local-part rules depend on DSM-Firmenich. The only reliable way to confirm whether a specific @dsm.com address exists is to run it through a free email verification tool. Guessing patterns will produce a high bounce rate and damage your sender reputation.
How is the dsm.com risk score calculated?
The 0-to-100 risk score for dsm.com combines disposable-domain classification, mail-server reachability, MX record presence and depth, SPF / DKIM / DMARC enforcement, DMARC policy strength, SMTP banner response, and domain age. Lower scores mean safer to send to. Disposable domains are pinned at the high end of the scale. The dsm.com score is recomputed on every audit so it always reflects the live state of the domain.