Network & DNS Analyzer

Query authoritative nameservers. Verify DNS, Emails, and IP Blacklists instantly.

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Advanced Network Forensics

This web-based alternative to the Linux dig command provides an interface for webmasters to perform bulk DNS lookups, check global propagation, and validate deep network configurations.

Spamhaus Blacklist (DNSBL)

Select the DNSBL tool to instantly check if an IP or Domain has been globally blacklisted for sending spam or hosting malware.

BGP & ASN Info

Curious who owns an IP address? Use our ASN lookup to extract the network owner, CIDR subnet, country, and registry details using Team Cymru's database.

Auto-Detect IPs

Paste an IP address into the box and hit Dig. We automatically detect it and switch the query to a Reverse IP (PTR) lookup to save you a click.