Is courriel.fr.nf a disposable email provider?
Yes. courriel.fr.nf is a known throwaway provider, and right now it accepts mail today.
What courriel.fr.nf actually does right now
Resolved against live DNS on 2026-10-24. Most pages answering this question quote a list; this one quotes the domain.
| Mail routing | accepts mail today |
| MX hosts | courriel.fr.nf |
| SPF published | no |
| DMARC published | no |
| Related domains on our list | 5 |
It publishes working MX records, so mail sent there is delivered - and then abandoned. This is the ordinary case and the reason the address looks fine to a regex.
Blocking it
GET /v1/email/verify?email=someone@courriel.fr.nf
→ "sub_status": "disposable", "score": 5Sub-domains match the same rule, so anything.courriel.fr.nf 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.