Nationwide Speed Map
- >10s
- 3s-10s
- 1s-3s
- 0.5s-1s
- <=0.5s
5 monitoring points in this test
100%
| Region | Fastest | Slowest | Average |
|---|---|---|---|
| All Nodes | -- | -- | -- |
| China Telecom | -- | -- | -- |
| China Unicom | -- | -- | -- |
| China Mobile | -- | -- | -- |
| East China | -- | -- | -- |
| South China | -- | -- | -- |
| Central China | -- | -- | -- |
| North China | -- | -- | -- |
| Southwest | -- | -- | -- |
| Northwest | -- | -- | -- |
| Northeast | -- | -- | -- |
| HK/MO/TW | -- | -- | -- |
DNS Resolution Stats
0Showing: 5/5
| Node | Target | Type | Resolved Results | Records | Detail | Time | DNS |
|---|---|---|---|---|---|---|---|
| 电信贵州贵阳电信Home | by.qcmc.net | A | -- | 0 | Timeout | ||
| 电信四川广安电信Home | by.qcmc.net | A | -- | 0 | Timeout | ||
| 电信河北电信Home | by.qcmc.net | A | -- | 0 | Timeout | ||
| 电信北京电信Home | by.qcmc.net | A | -- | 0 | Timeout | ||
| 电信宿迁电信Home | by.qcmc.net | A | -- | 0 | Timeout |
DNS Test Findings for by.qcmc.net
- Tested
- Nov 14, 2026, 8:49 PM
- Completed probes
- 5/5
- DNS response probes
- 0 (0%)
- Average DNS lookup time
- --
by.qcmc.net DNS lookup performance by network
DNS response rate counts probes with a DNS response and measured lookup time. P50 is the time at or below which half of responding lookups completed; a response need not contain an address and does not establish propagation or poisoning.
DNS response rate
DNS response rate (%)
0%Highest rate
P50 DNS lookup time
DNS lookup time (ms)
Improvement recommendations
- The DNS response rate is 0%, below the 99% review threshold. Retest the unanswered probes and verify the authoritative DNS service, query type, and record only if failures persist.
These results describe this distributed test only and do not establish long-term availability, security, or a root cause.