mail.clash-micat.top DNS Lookup

Carrier
DNS

Nationwide Speed Map

Nationwide Speed Map
  • >10s
  • 3s-10s
  • 1s-3s
  • 0.5s-1s
  • <=0.5s
100%
RegionFastestSlowestAverage
All Nodes上海数据中心 0.084s河北电信 5.217s1.412s
China Telecom北京电信 0.099s河北电信 5.217s2.658s
China Unicom上海数据中心 0.084s甘肃联通 0.249s0.167s
China Mobile------
East China上海数据中心 0.084s上海数据中心 0.084s0.084s
South China------
Central China------
North China北京电信 0.099s河北电信 5.217s2.658s
Southwest------
Northwest甘肃联通 0.249s甘肃联通 0.249s0.249s
Northeast------
HK/MO/TW------

DNS Resolution Stats

2

Showing: 305/305

NodeTargetTypeResolved ResultsRecordsDetailTimeDNS
电信湖北十堰电信Homemail.clash-micat.topA--0Timeout
电信四川广安电信Homemail.clash-micat.topA--0Timeout
电信河北电信Homemail.clash-micat.topA
172.67.214.36104.21.23.234
25217ms114.114.114.114
电信北京电信Homemail.clash-micat.topA
104.21.23.234172.67.214.36
299ms127.0.0.53
联通甘肃联通Homemail.clash-micat.topA
104.21.23.234172.67.214.36
2249ms127.0.0.53
联通上海数据中心Homemail.clash-micat.topA
104.21.23.234172.67.214.36
284ms127.0.0.53
海外俄罗斯莫斯科Homemail.clash-micat.topA
104.21.23.234172.67.214.36
2346ms8.8.8.8
海外柬埔寨金边Homemail.clash-micat.topA
172.67.214.36104.21.23.234
284ms8.8.8.8
海外迪拜Homemail.clash-micat.topA
172.67.214.36104.21.23.234
298ms38.54.8.230
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DNS Test Findings for mail.clash-micat.top

Tested
Oct 14, 2026, 9:49 PM
Completed probes
305/305
DNS response probes
7 (2.3%)
Average DNS lookup time
882 ms

This DNS lookup for mail.clash-micat.top ran on 2026-10-14. All 305 nodes failed to obtain a valid DNS response, giving a 0% DNS response rate, below the 99% threshold. This is a time-bound observation with no resolved address recorded.

mail.clash-micat.top 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 (%)

100%Highest rate
DNS response rateDNS 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.050100Telecom: 40%40%TelecomUnicom: 100%100%UnicomOverseas: 1%1%Overseas

P50 DNS lookup time

DNS lookup time (ms)

98 msLowest P50
P50 DNS lookup timeDNS 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.01.4k2.8kTelecom: 2658 ms2658 msTelecomUnicom: 167 ms167 msUnicomOverseas: 98 ms98 msOverseas
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.

Key findings

  • All 305 nodes returned no valid DNS response, so the DNS response rate was 0% and no DNS lookup time was measured.
  • Telecom, Unicom, Mobile and overseas carriers each showed a 0% response rate, with no resolver response recorded.
  • The unique response IP count was 0, meaning no resolved address was observed in this run.
  • The node error count was 0, so the unanswered lookups were not caused by node-side errors.

Improvement recommendations

  • The DNS response rate is 2.3%, below the 99% review threshold. Retest the unanswered probes and verify the authoritative DNS service, query type, and record only if failures persist.
  • P95 reached 3756 ms, above the 1000 ms review threshold. Retest the slow probes and compare their routes or service stages before changing production configuration.
  • overseas trails China Telecom by 39 percentage points in response rate. Retest both groups with the same probe set, then investigate the affected network or endpoint only if the gap repeats.
  • China Telecom has a P50 latency gap of 2560 ms versus overseas. Compare routes from both groups and verify that the gap narrows after any routing change.

These results describe this distributed test only and do not establish long-term availability, security, or a root cause.