Reference · DNS & filtering

Own DNS — ad-free and split-horizon

DNS is the first stop of every connection — so it runs on your own network. AdGuard Home filters ads and trackers for every device, resolves internal names locally, and sends everything else out encrypted. Deliberately redundant, so DNS never becomes a single point of failure.

DNS · network-wide & split-horizon
Phone
PC
TV
IoT
every DNS query on the network
AdGuard Home
×2 redundant · network-wide
✕ ads & trackers
↓ internal names↓ public names
Local zone
split-horizon: internal names resolved locally, stays on the LAN.
Encrypted upstream
everything else out via DoH / DoT — no plaintext DNS.
Ad-free for every device · redundant, so DNS never becomes a single point of failure.

AdGuard Home as resolver

A network-wide DNS resolver with curated blocklists against ads, trackers and malicious domains. The protection applies to every device on the network — phone, TV, IoT — with no client software at all.

AdGuard Homeblocklistsnetwork-wide

Split-horizon

Internal names resolve locally and stay on the LAN instead of "hairpinning" out over the public internet. Public names go out normally — one config, two clean views.

split-horizonlocal zoneno hairpin

Encrypted upstreams

Requests that leave the network go out via DNS-over-HTTPS or DNS-over-TLS — no more plaintext DNS. The provider sees much less, and tampering gets harder.

DoHDoTprivate

Built redundant

DNS is critical infrastructure: if it fails, it feels like "the whole internet" is down. So a distributor sits in front of the resolvers, spreads queries across two instances and skips a failed one automatically — nobody in the house notices.

2 instancesfronting distributorautomatic failover
Stack in use
AdGuard HomeDoH / DoTsplit-horizondistributor + second instance