IPGIPGrid-ai

IP Blacklist Checker

Check an IP or domain against public DNS blacklists (DNSBL).

Queries a set of public DNS-based blacklists to see whether an IP address or domain has been reported for spam or abuse. Intended for legitimate diagnostics by mail operators and defenders.

Queries public DNS-based blacklists. Intended for legitimate diagnostics.

Privacy: The IP you check is sent to public DNSBL services as a DNS query.

Related tools

VPN CheckDetect whether an IP address belongs to a VPN, proxy or hosting network.DNS LookupQuery any DNS record type (A, AAAA, MX, TXT, NS, CNAME, SOA and more).

Frequently asked questions

What are DNSBLs?

DNS-based blacklists publish lists of abusive IPs as DNS records. Mail servers query them to block spam and abuse.