mail.duckmail.sbs handles mail for 11 domain(s) we track — a known disposable mail pool.
This host belongs to Duckmail, which runs 1 mail server(s) in total. The provider page has the full domain list and infrastructure.
We classify this host as a disposable mail pool: enough of the domains behind it are throwaway services that an address on a new domain here is more likely than not to be disposable too.
See whether a specific domain is disposable, forwarding or safe — and which mail server it actually uses.
Enter a domain to look up its mail server and trust signals
Checking syntax, MX, SMTP, trust, gateway, and domain profile…
Enter a domain above and click Check to see results.
A mail server's reputation is one signal. The API scores every signup against the whole catalogue — disposable pools, low-trust domains, catch-alls and gateways — as it grows.
What you unlock