Is edu.auone.jp a disposable email provider?
Yes. edu.auone.jp is a known throwaway provider, and right now it does not resolve for mail.
What edu.auone.jp actually does right now
Checked against live DNS when this page was last built. Most pages answering this question quote a list; this one quotes the domain.
| Mail routing | does not resolve for mail |
| SPF published | no |
| DMARC published | no |
Nothing answers for this domain - no MX, no A record. Mail to it cannot be delivered by anyone.
Blocking it
GET /v1/email/verify?email=someone@edu.auone.jp
→ "sub_status": "disposable", "score": 5
Sub-domains match the same rule, so anything.edu.auone.jp is caught too.
Classification is a set lookup, so it costs no latency; the DNS evidence above
is what the deep flag adds.
Why throwaway signups cost money, and the full provider list with live status →
Verify at scale, not one at a time
The same checks over a REST API: 250 calls per period free, no credit card, no sales call.