Blacklist check
What is checked
IP address
Spamhaus ZEN (SBL, CSS, XBL, PBL), SpamCop, Barracuda, PSBL, UCEPROTECT level 1, Mailspike and s5h. IPv6 addresses: Spamhaus ZEN only.
Domain
The domain on Spamhaus DBL, SURBL and URIBL, and the IPv4 addresses of up to 4 of its mail servers (MX) on the IP lists.
From the command line
curl 'https://dns.tools.midgard.com.hr/json/?check=blacklist&name=example.com'Returns {"query":…,"kind":"ip|domain","listed":0,"unchecked":0,"targets":[{"target":…,"kind":"ip","lists":[{"name":"Spamhaus ZEN","zone":…,"state":"clean|listed|policy|refused|error","codes":[…],"meaning":[…]}]}]}. name takes an IP address or a domain.