Is aub.edu.lb a valid email domain?
Mail for aub.edu.lb is handled by 1 server at Microsoft (Outlook or Microsoft 365), with aub-edu-lb.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 and ends with ~all. DMARC is set to none.
Check an email address at aub.edu.lb
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MX records (Microsoft (Outlook or Microsoft 365))
| Priority | Mail server | Resolves to |
|---|---|---|
| 0 | aub-edu-lb.mail.protection.outlook.com | 52.101.68.25, 52.101.185.24 |
SPF
Record published
v=spf1 +ip4:193.188.128.10/32 +ip4:193.188.128.39/32 +ip4:193.188.128.41/32 +ip4:193.188.128.50/32 +ip4:54.240.35.57/32 +ip4:193.188.129.5/32 +ip4:193.188.128.69/32 ip4:193.188.128.16/32 include:zeptomail.net include:_spf.salesforce.com +include:spf.protection.outlook.com include:spf.symplicity.com ~all
DMARC
Policy: none
v=DMARC1; p=none; pct=100; rua=mailto:dmarc@aub.edu.lb,mailto:dmarc-reports@aub.edu.lb; fo=1
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
aub.edu.lb has DMARC in monitoring mode (p=none). It collects reports but does not yet block spoofed mail, so the domain is easier to impersonate.
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Sign up to get a report summary →Frequently asked questions
- Is aub.edu.lb a valid email domain?
- Yes. aub.edu.lb 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 aub.edu.lb a disposable email domain?
- No. aub.edu.lb 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 aub.edu.lb?
- aub-edu-lb.mail.protection.outlook.com (priority 0).
- Does aub.edu.lb have SPF and DMARC?
- SPF: yes, ending ~all. DMARC: yes, policy none.