DNSResolve · EDNS
Per-province A-record probe via EDNS Client Subnet
Probe
Custom DoH endpoint (wire format)
Custom EDNS nodes (label + IP/CIDR)
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+ Add node
Reset to provinces
Ready. Each node sends an ECS-tagged query to the DoH resolver.
Leave DoH empty for Google Public DNS; leave nodes empty to use the built-in provinces. Only
https
public hosts are allowed for DoH.