Is btopenworld.com a valid email domain?
btopenworld.com can receive email. It publishes 1 mail server, and the first choice is mx.bt.prod.cloud.openwave.ai.
It is a free, public mailbox provider, and it is not on our disposable list.
SPF is published and ends with ~all. DMARC is set to reject.
Check an email address at btopenworld.com
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MX records
| Priority | Mail server | Resolves to |
|---|---|---|
| 1 | mx.bt.prod.cloud.openwave.ai | 65.20.50.207 |
SPF
Record published
v=spf1 include:_spf.btinternet.com include:bt.com ~all
DMARC
Policy: reject
v=DMARC1; p=reject; sp=reject; pct=100; fo=1; rua=mailto:dmarcagg.bto@btopenworld.com;ruf=mailto:dmarcf.bto@btopenworld.com;
Disposable?
No, not on our disposable list.
Free provider?
Yes, a free public mailbox provider.
What this means for your email list
Is a free-provider address a problem?
Addresses at btopenworld.com are legitimate and deliverable in general. What goes wrong is the mailbox part before the @: typos, old accounts and abandoned inboxes. That is what per-address verification catches.
Sender authentication
btopenworld.com has a strict DMARC policy (reject): mail that fails authentication is refused, which protects its brand from spoofing and means anyone sending as btopenworld.com must have SPF and DKIM set up correctly.
✨ Report summary
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Sign up to get a report summary →Frequently asked questions
- Is btopenworld.com a valid email domain?
- Yes. btopenworld.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 btopenworld.com a disposable email domain?
- No. btopenworld.com is not on our disposable list, but it is a free public provider. The list is updated regularly, and new throwaway domains appear all the time.
- What are the MX records for btopenworld.com?
- mx.bt.prod.cloud.openwave.ai (priority 1).
- Does btopenworld.com have SPF and DMARC?
- SPF: yes, ending ~all. DMARC: yes, policy reject.