Check if your IP address or domain is listed on major email blacklists (DNSBL/RBL). Checks Spamhaus ZEN, Barracuda, Spamcop, SORBS, UCEPROTECT and 15+ more lists.
This blacklist checker queries 15+ IP-based DNSBLs (Spamhaus ZEN, Barracuda, Spamcop, SORBS, UCEPROTECT L1/L2/L3, PSBL, Abuseat CBL, SpamRATS and more) and 5 domain-based URIBLs/SURBLs (Spamhaus DBL, SURBL Multi, URIBL Black). When you enter a domain, it is also resolved to its IP so both IP and domain reputation are checked simultaneously.