Home Network & IoT
Local DNS / internal name checks
Probe your home DNS resolver for rebinding protections and internal names.
Authorized testing only. Practice on systems you own, isolated labs, or targets with written permission. Unauthorized access is illegal.
When
Validating Pi-hole/AdGuard/router DNS behavior.
How
Query known internal names; test external resolution; check for NXDOMAIN hijacks.
Why
DNS is the control plane of the modern home network.
Commands & usage
dig @192.168.1.1 example.com
dig @192.168.1.1 google.com +short
nslookup router.local 192.168.1.1
resolvectl status # systemd-resolved
Commands are educational examples. Adapt hosts, paths, and rates to your authorized scope.
Tags
Related in Home Network & IoT
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Fing
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Fast Windows LAN scanner with remote RDP/HTTP shortcuts for found hosts.
nbtscan
Scans for NetBIOS name information on Windows/Samba hosts.
avahi-browse / dns-sd (mDNS)
Discovers mDNS/Bonjour services (Chromecast, printers, HomeKit, NAS).
ss / netstat / lsof
Show listening ports and connections on your own machines.