MailSure

Is roche.com a valid email domain?

Organisation domainChecked 2026-11-06

roche.com has working mail routing: 8 MX records pointing, led by rmumtaext02.roche.com.

It is not a free provider and is not on our disposable list, so addresses here usually belong to a company, school or other organisation.

SPF is published. DMARC is set to reject.

Check an email address at roche.com

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MX records

PriorityMail serverResolves to
30rmumtaext02.roche.com198.21.20.185
30rmumtaext01.roche.com198.21.20.184
30rkamtaext01.roche.com198.21.20.189
30rkamtaext02.roche.com198.21.20.190
40ridesmtaext01.roche.com198.21.25.77
40sc1esmtaext02.gene.com192.12.78.22
40ridesmtaext02.roche.com198.21.25.78
40sc1esmtaext01.gene.com192.12.78.21

SPF

Record published

v=spf1 redirect=roche.com.hosted.spf-report.com

DMARC

Policy: reject

v=DMARC1; p=reject; rua=mailto:88a488cb@mxtoolbox.dmarc-report.com,mailto:dmarc@ayba8dhs.uriports.com; ruf=mailto:88a488cb@forensics.dmarc-report.com,mailto:dmarc@ayba8dhs.uriports.com; fo=1; pct=100

Disposable?

No, not on our disposable list.

Free provider?

No, not a known free provider.

What this means for your email list

What this means for addresses at this domain

Mail routing for roche.com is healthy, so the domain is not the risk. The risk is the mailbox: outdated contacts, shared inboxes and catch-all servers. A mailbox-level check tells you which addresses are safe to send to.

Sender authentication

roche.com has a strict DMARC policy (reject): mail that fails authentication is refused, which protects its brand from spoofing and means anyone sending as roche.com must have SPF and DKIM set up correctly.

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Frequently asked questions

Is roche.com a valid email domain?
Yes. roche.com publishes 8 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
Is roche.com a disposable email domain?
No. roche.com is not on our disposable list. The list is updated regularly, and new throwaway domains appear all the time.
What are the MX records for roche.com?
rmumtaext02.roche.com (priority 30); rmumtaext01.roche.com (priority 30); rkamtaext01.roche.com (priority 30); rkamtaext02.roche.com (priority 30); ridesmtaext01.roche.com (priority 40); sc1esmtaext02.gene.com (priority 40); ridesmtaext02.roche.com (priority 40); sc1esmtaext01.gene.com (priority 40).
Does roche.com have SPF and DMARC?
SPF: yes. DMARC: yes, policy reject.

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