kff6008.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河北电信 0.033s甘肃联通 0.222s0.078s
China Telecom河北电信 0.033s北京电信 0.058s0.043s
China Unicom上海数据中心 0.039s甘肃联通 0.222s0.131s
China Mobile------
East China上海数据中心 0.039s上海数据中心 0.039s0.039s
South China------
Central China------
North China河北电信 0.033s北京电信 0.058s0.045s
Southwest------
Northwest电信青海 0.037s甘肃联通 0.222s0.130s
Northeast------
HK/MO/TW------

DNS Resolution Stats

1

Showing: 307/307

NodeTargetTypeResolved ResultsRecordsDetailTimeDNS
电信湖北十堰电信Homekff6008.comCNAME--0Timeout
电信四川广安电信Homekff6008.comCNAME--0Timeout
电信河北电信Homekff6008.comCNAME
e57f2099.ntljoor.com
133ms114.114.114.114
电信北京电信Homekff6008.comCNAME
e57f2099.ntljoor.com
158ms127.0.0.53
联通甘肃联通Homekff6008.comCNAME
e57f2099.ntljoor.com
1222ms127.0.0.53
联通上海数据中心Homekff6008.comCNAME
e57f2099.ntljoor.com
139ms127.0.0.53
海外俄罗斯莫斯科Homekff6008.comCNAME
e57f2099.ntljoor.com
1361ms8.8.8.8
海外柬埔寨金边Homekff6008.comCNAME
e57f2099.ntljoor.com
174ms8.8.8.8
海外迪拜Homekff6008.comCNAME
e57f2099.ntljoor.com
1470ms38.54.8.230
电信电信青海Homekff6008.comCNAME
e57f2099.ntljoor.com
137ms127.0.0.53
电信宿迁电信Homekff6008.comCNAME--0Timeout
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DNS Test Findings for kff6008.com

Tested
Oct 16, 2026, 9:09 AM
Completed probes
307/307
DNS response probes
8 (2.6%)
Average DNS lookup time
162 ms

This DNS lookup on 2026-10-16 showed an overall DNS response rate of 2.6%, with only 8 of 307 nodes returning a valid result and most lookups unanswered. Overseas nodes responded at about 1%, well below telecom at 50%, with higher DNS looku

kff6008.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 (%)

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: 50%50%TelecomUnicom: 100%100%UnicomOverseas: 1%1%Overseas

P50 DNS lookup time

DNS lookup time (ms)

37 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.0200400Telecom: 37 ms37 msTelecomUnicom: 131 ms131 msUnicomOverseas: 361 ms361 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

  • The overall DNS response rate was 2.6%: only 8 of 307 nodes returned a valid result, while 299 nodes produced no result during this observation window.
  • Overseas nodes responded at about 1%, compared with 50% for telecom, matching the flagged carrier response gap.
  • The median DNS lookup time was 361 ms for overseas nodes versus 37 ms for telecom, a gap of about 324 ms that exceeds the warning threshold.
  • All valid responses contained only 1 observed resolved address, so answer diversity was limited; this alone does not show whether resolution was correct or indicate a cause.

Improvement recommendations

  • The DNS response rate is 2.6%, below the 99% review threshold. Retest the unanswered probes and verify the authoritative DNS service, query type, and record only if failures persist.
  • overseas trails China Telecom by 49 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.
  • overseas has a P50 latency gap of 324 ms versus China Telecom. 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.