Tool inventory
IP Lookup, En-masse
Check from My-Browser
Server Side DNS Lookup
Google (dns.google)
Cloudflare (cloudflare-dns.com)
OpenDNS (dns.opendns.com)
Quad9 (dns.quad9.net)
Comodo Secure DNS (comodo_secure_dns)
CleanBrowsing (cleanbrowsing.org)
Verisign (verisign.com)
Yandex (dns.yandex.net)
Neustar (neustar.biz)
IBM Quad9 (quad9.net)
Execute