DNS propagation checker
Watch a domain resolve from 16 probe cities, in real time.
Global view
ResolvedSlowFailed
Probes resolved
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Unique answers
0 IPs
Median RTT
0ms
Max RTT
-Infinityms
By location
sorted by RTT| Location | Answer | RTT |
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Answer distribution
Run a check to see answer distribution.
Two distinct A records observed — expected for a multi-region anycast pool. Both target GitHub-owned space (AS36459).
TTL behavior
Observed (avg)
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Min in pool
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Max in pool
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Record type
A
Short TTLs indicate this domain expects fast failover. After a record change, expect full propagation within