MailSure

Is ninetyone.com a valid email domain?

Organisation domainChecked 2026-11-06

ninetyone.com has working mail routing: 2 MX records pointing to Mimecast, led by eu-smtp-inbound-2.mimecast.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 ninetyone.com

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MX records (Mimecast)

PriorityMail serverResolves to
10eu-smtp-inbound-2.mimecast.com91.220.42.201, 195.130.217.241
10eu-smtp-inbound-1.mimecast.com195.130.217.211, 195.130.217.201

SPF

Record published

v=spf1 include:spf_c.oraclecloud.com redirect=_sir7s99j9.sdmarc.net

DMARC

Policy: reject

v=DMARC1; p=reject; fo=1; rua=mailto:a.ir7s99j9@sdmarc.net; ruf=mailto:f.ir7s99j9@sdmarc.net; adkim=r; aspf=r

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

The domain accepts mail, but whether a given person's mailbox exists depends on that organisation. Company domains often have staff who left, role mailboxes like info@ and sales@, and sometimes catch-all rules that accept everything. Verify the individual address before you send.

Sender authentication

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

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Frequently asked questions

Is ninetyone.com a valid email domain?
Yes. ninetyone.com publishes 2 MX records and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
Is ninetyone.com a disposable email domain?
No. ninetyone.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 ninetyone.com?
eu-smtp-inbound-2.mimecast.com (priority 10); eu-smtp-inbound-1.mimecast.com (priority 10).
Does ninetyone.com have SPF and DMARC?
SPF: yes. DMARC: yes, policy reject.

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