Is a1.net a valid email domain?
a1.net has working mail routing: 1 MX record pointing, led by smx01.a1.net.
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 reject.
Check an email address at a1.net
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MX records
| Priority | Mail server | Resolves to |
|---|---|---|
| 10 | smx01.a1.net | 80.75.42.227 |
SPF
Record published
v=spf1 include:aspf.a1.net include:cspf.a1.net -all
DMARC
Policy: reject
v=DMARC1; p=reject; rua=mailto:dmarc-reports@a1.net
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
a1.net has a strict DMARC policy (reject): mail that fails authentication is refused, which protects its brand from spoofing and means anyone sending as a1.net must have SPF and DKIM set up correctly.
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Sign up to get a report summary →Frequently asked questions
- Is a1.net a valid email domain?
- Yes. a1.net 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 a1.net a disposable email domain?
- No. a1.net 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 a1.net?
- smx01.a1.net (priority 10).
- Does a1.net have SPF and DMARC?
- SPF: yes, ending -all. DMARC: yes, policy reject.