See how public DNS resolvers respond over IPv4 and IPv6, with ping and DNS lookup measurements from our New York City network.
Ping responding30 / 30Addresses responding to ping
DNS responding30 / 30Addresses answering the DNS check
PING Responsive Rate100.0%Latest confirmed checks
DNS Responsive Rate100.0%Latest confirmed checks
Unconfirmed0 / 60Ping and DNS checks without a current result
ICMP / Measurement history
A view over time.
Checks run every 30 seconds. The chart shows recorded successful checks at their actual measurement times; missing observations remain gaps.
Choose a measurement
ICMP RTT / Milliseconds
Rolling 24 hours · UTC
Enter time range
Choose sampling times in the selected timezone.
Waiting for observations.
Waiting for observations.
Click or tap anywhere on the chart to inspect the nearest sample time. Drag across the chart to zoom; on touchscreens, first select a time range. Use the arrow keys to inspect sample times. Missing observations remain gaps.
History requires JavaScript and an available monitoring feed.
Time / UTC
Select a point to inspect its measurement.
View observations as a table
Sampling times use the selected timezone. Empty values mean no qualifying successful ping was available for that point.
Snapshot retrieved 01 Nov 2026 19:53:28 UTC. A page refresh does not make an older measurement current.
02 / Reading the measurements
One useful signal. A wider picture.
Each address is checked every 30 seconds. Ping uses ICMP and measures round-trip time from our New York City monitoring point to the responding address and back.
DNS lookup sends an example.com A query over UDP port 53. A successful check receives a NOERROR response containing at least one A answer. The duration measures the DNS request and response after socket setup; it does not test DNS over TCP, DNS over TLS, or DNS over HTTPS. A resolver may answer from cache, and a single query is not a comprehensive DNS benchmark.
Public DNS providers often use anycast, so results can vary by location, network path and time. A response here is not a guarantee of resolver availability or lookup speed for every user. Some services may not answer ICMP at all.
