sinocyb.com DNS Lookup

Carrier
DNS

Nationwide Speed Map

Nationwide Speed Map
  • >10s
  • 3s-10s
  • 1s-3s
  • 0.5s-1s
  • <=0.5s
100%
RegionFastestSlowestAverage
All Nodes江苏盐城1电信 0.042s江苏盐城1电信 0.042s0.042s
China Telecom江苏盐城1电信 0.042s江苏盐城1电信 0.042s0.042s
China Unicom------
China Mobile------
East China江苏盐城1电信 0.042s江苏盐城1电信 0.042s0.042s
South China------
Central China------
North China------
Southwest------
Northwest------
Northeast------
HK/MO/TW------

DNS Resolution Stats

3

Showing: 318/318

NodeTargetTypeResolved ResultsRecordsDetailTimeDNS
电信贵州贵阳电信Homesinocyb.comNS--0Timeout
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电信四川绵阳电信sinocyb.comdns server timeo--0Timeout223.5.5.5
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联通河南平顶山联通sinocyb.comdns server timeo--0Timeout223.5.5.5
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342ms127.0.0.53
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DNS Test Findings for sinocyb.com

Tested
Sep 20, 2026, 1:55 AM
Completed probes
318/318
DNS response probes
1 (0.3%)
Average DNS lookup time
42 ms

This DNS lookup test ran on 2026-09-19. The overall DNS response rate was 30%, with only 1 node returning a valid result and 317 nodes left as unanswered lookups. The observed DNS lookup time was about 42 ms, but the sample is too small to

sinocyb.com 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 (%)

0.8%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: 0.8%0.8%TelecomUnicom: 0%0%UnicomMobile: 0%0%MobileOverseas: 0%0%Overseas

P50 DNS lookup time

DNS lookup time (ms)

42 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.02550Telecom: 42 ms42 msTelecomUnicom: ----UnicomMobile: ----MobileOverseas: ----Overseas
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

  • Only 1 of 318 nodes obtained a valid DNS response, giving a 30% DNS response rate, while 317 nodes were unanswered lookups.
  • The telecom carrier showed an 80% response rate, yet only 1 node actually returned a result and the other 130 nodes produced no response.
  • Unicom, mobile, and overseas carriers all showed a 0% response rate, with no resolver response or DNS lookup time observed.
  • Three resolved addresses were observed in total, which only describes answer diversity in this run and does not indicate whether resolution was correct or point to any root cause.

Improvement recommendations

  • The DNS response rate is 0.3%, 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.