Email & IP tool

Blacklist Check

Check if an IP or mail server hostname is listed on major DNS blacklists — useful when outbound email is delayed or rejected.

216.73.217.95

Not listed on the checked blacklists (06 Oct 2026, 04:50 UTC).

Blacklist Status Detail
Spamhaus ZEN N/A List query unavailable from this server
SpamCop Clean Not listed
Barracuda Clean Not listed
SORBS Clean Not listed
Mailspike ZL Clean Not listed
UCEPROTECT L1 Clean Not listed
PSBL Clean Not listed
SpamRATS N/A Resolver timeout

Blacklist data can change quickly. If listed, check the provider’s removal / delist process and fix the root cause (spam, open relay, compromised script).