DNSBL Tool

Blacklist Check

Checks an IP address against several well-known DNSBLs and shows whether there are signs of spam or abuse listings.

Note
DNSBL lookups here currently target public IPv4 addresses. Local, reserved or IPv6 addresses are marked accordingly.
Checked IP
216.73.217.6
Supported
Yes
Listings
1
Result
Flagged

Classification

The address appears in at least one DNSBL. Review the detail columns and affected lists.

DNSBL results

List Zone Status Responses Details
Spamhaus ZEN zen.spamhaus.org listed 127.255.255.254 Error: open resolver; https://check.spamhaus.org/returnc/pub/2a01:4f9:0:a011::add:2d/
SpamCop bl.spamcop.net no hit - -
SORBS dnsbl.sorbs.net no hit - -
Barracuda b.barracudacentral.org no hit - -