MailSure

Is assore.com a valid email domain?

Organisation domainChecked 2026-11-06

Mail for assore.com is handled by 1 server at Microsoft (Outlook or Microsoft 365), with assore-com.mail.protection.outlook.com tried first.

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 assore.com

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MX records (Microsoft (Outlook or Microsoft 365))

PriorityMail serverResolves to
10assore-com.mail.protection.outlook.com52.101.160.1, 52.101.160.0

SPF

Record published

v=spf1 include:spf-eu.emailsignatures365.com redirect=_sjuh3pzw5.sdmarc.net include:9269128.spf04.hubspotemail.net

DMARC

Policy: reject

v=DMARC1; p=reject; fo=1; rua=mailto:a.juh3pzw5@sdmarc.net; ruf=mailto:f.juh3pzw5@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

assore.com looks like an organisation's own domain. Those are usually good leads, and also where bounces come from: people change jobs and mailboxes get closed. Checking each address, including whether the server accepts any recipient, avoids damaging your sender reputation.

Sender authentication

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

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Frequently asked questions

Is assore.com a valid email domain?
Yes. assore.com publishes 1 MX record and can receive email. Whether a particular mailbox exists is a separate question that only a mailbox check can answer.
Is assore.com a disposable email domain?
No. assore.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 assore.com?
assore-com.mail.protection.outlook.com (priority 10).
Does assore.com have SPF and DMARC?
SPF: yes. DMARC: yes, policy reject.

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