dns4.browserleaks.net DNS Lookup

Carrier
DNS

Nationwide Speed Map

Nationwide Speed Map
  • >10s
  • 3s-10s
  • 1s-3s
  • 0.5s-1s
  • <=0.5s
100%
RegionFastestSlowestAverage
All Nodes内蒙古包头电信 0.511s内蒙古包头联通 0.853s0.682s
China Telecom内蒙古包头电信 0.511s内蒙古包头电信 0.511s0.511s
China Unicom内蒙古包头联通 0.853s内蒙古包头联通 0.853s0.853s
China Mobile------
East China------
South China------
Central China------
North China内蒙古包头电信 0.511s内蒙古包头联通 0.853s0.682s
Southwest------
Northwest------
Northeast------
HK/MO/TW------

DNS Resolution Stats

7

Showing: 316/316

NodeTargetTypeResolved ResultsRecordsDetailTimeDNS
电信天津电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信上海徐汇电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信上海奉贤电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信重庆黔江电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信重庆江津电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信重庆两江电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信河北石家庄1电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信河北邢台电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信河北唐山电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信河北石家庄电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信河北电信dns4.browserleaks.netA--0Timeout--
电信河南三门峡电信dns4.browserleaks.netA--0Timeout222.88.88.88
电信河南商丘电信dns4.browserleaks.netA--0Timeout119.29.29.29
电信河南南阳电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信河南郑州电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信河南开封电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信河南驻马店电信dns4.browserleaks.netA--0Timeout192.168.5.1
电信河南漯河电信dns4.browserleaks.netA--0Timeout222.85.85.85
电信云南昆明电信dns4.browserleaks.netA--0Timeoutfe80::5
电信云南文山电信dns4.browserleaks.netA--0Timeout61.166.150.123
电信云南昆明1电信dns4.browserleaks.netA--0Timeout202.96.134.133
电信云南楚雄电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信辽宁辽阳电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信辽宁铁岭电信dns4.browserleaks.netA--0Timeout219.148.204.66
电信辽宁沈阳电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信辽宁鞍山电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信黑龙江鸡西电信dns4.browserleaks.netA--0Timeout112.100.100.100
电信湖南郴州电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信湖南长沙电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信湖南衡阳电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信湖南邵阳1电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信湖南株洲电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信湖南长沙1电信dns4.browserleaks.netA--0Timeout119.29.29.29
电信湖南岳阳电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信湖南邵阳电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信安徽芜湖电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信安徽池州电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信安徽滁州电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信安徽黄山电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信安徽安庆电信dns4.browserleaks.netA--0Timeout114.114.115.115
电信安徽淮南电信dns4.browserleaks.netA--0Timeout202.102.213.68
电信安徽合肥电信dns4.browserleaks.netA--0Timeout61.132.163.68
电信安徽马鞍山电信dns4.browserleaks.netA--0Timeout192.168.0.1
电信安徽合肥电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信山东青岛1电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信山东烟台电信dns4.browserleaks.netA--0Timeout119.29.29.29
电信山东枣庄电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信山东济南电信dns4.browserleaks.netA--0Timeout119.29.29.29
电信山东龙口电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信山东青岛电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信新疆乌鲁木齐电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信江苏苏州电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信江苏宿迁电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信江苏盐城电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信江苏泰州电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信江苏连云港电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信江苏徐州1电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信江苏无锡电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信江苏盐城1电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信江苏南通电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信江苏南京电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信江苏徐州电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信宿迁电信dns4.browserleaks.netA--0Timeout--
电信浙江宁波电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信浙江杭州电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信浙江嘉兴电信dns4.browserleaks.netA--0Timeout223.6.6.6
电信浙江丽水电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信浙江金华电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信浙江绍兴电信dns4.browserleaks.netA--0Timeout114.114.115.115
电信浙江温州1电信dns4.browserleaks.netA--0Timeout61.153.177.196
电信浙江温州电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信浙江衢州电信dns4.browserleaks.netA--0Timeout202.96.113.34
电信江西南昌电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信江西吉安电信dns4.browserleaks.netA--0Timeout192.168.1.1
电信江西赣州电信dns4.browserleaks.netA--0Timeout119.29.29.29
电信湖北襄阳电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信湖北十堰电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信湖北武汉电信dns4.browserleaks.netA--0Timeout202.103.24.68
电信湖北十堰电信dns4.browserleaks.netA--0Timeout--
电信广西贵港电信dns4.browserleaks.netA--0Timeoutfe80::1
电信广西南宁电信dns4.browserleaks.netA--0Timeout202.103.224.68
电信广西南宁1电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信广西玉林电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信广西柳州电信dns4.browserleaks.netA--0Timeout192.168.1.1
电信甘肃兰州电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信甘肃庆阳电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信甘肃庆阳1电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信甘肃平凉电信dns4.browserleaks.netA--0Timeout192.168.1.1
电信山西太原电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信山西晋中2电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信山西晋中电信dns4.browserleaks.netA--0Timeout192.168.1.1
电信内蒙古呼和浩特电信dns4.browserleaks.netA--0Timeout100.95.0.1
电信内蒙古巴彦淖尔电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信内蒙古包头电信dns4.browserleaks.netA
123.179.47.124106.35.161.55
2511ms223.5.5.5
电信陕西西安1电信dns4.browserleaks.netA--0Timeoutfe80::1
电信陕西渭南电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信陕西西安电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信吉林辽源电信dns4.browserleaks.netA--0Timeout119.29.29.29
电信福建福州电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信福建厦门电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信福建漳州电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信福建三明电信dns4.browserleaks.netA--0Timeout114.114.115.115
电信福建宁德电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信福建泉州电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信贵州贵阳电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信贵州黔南电信dns4.browserleaks.netA--0Timeout192.168.31.1
电信贵州贵阳电信dns4.browserleaks.netA--0Timeout--
电信广东广州1电信dns4.browserleaks.netA--0Timeout100.125.0.250
电信广东揭阳电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信广东佛山电信dns4.browserleaks.netA--0Timeoutfe80::1
电信广东清远电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信广东韶关电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信广东湛江电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信广东广州电信dns4.browserleaks.netA--0Timeout202.96.128.86
电信青海西宁电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信青海海东1电信dns4.browserleaks.netA--0Timeout202.100.128.68
电信青海海东电信dns4.browserleaks.netA--0Timeout192.168.1.1
电信电信青海dns4.browserleaks.netA--0Timeout--
电信西藏拉萨1电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信西藏拉萨电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信四川绵阳电信dns4.browserleaks.netA--0Timeout223.5.5.5
电信四川成都电信dns4.browserleaks.netA--0Timeout119.29.29.29
电信四川自贡电信dns4.browserleaks.netA--0Timeout61.139.2.69
电信四川广安电信dns4.browserleaks.netA--0Timeout--
电信宁夏银川电信dns4.browserleaks.netA--0Timeout192.168.2.1
电信海南三亚电信dns4.browserleaks.netA--0Timeout8.8.8.8
电信海南海口电信dns4.browserleaks.netA--0Timeout127.0.0.53
电信北京电信dns4.browserleaks.netA--0Timeout--
联通北京联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通天津联通dns4.browserleaks.netA--0Timeout180.76.76.76
联通上海联通dns4.browserleaks.netA--0Timeout8.8.8.8
联通上海数据中心dns4.browserleaks.netA--0Timeout--
联通重庆联通dns4.browserleaks.netA--0Timeoutfe80::1
联通河北邯郸联通dns4.browserleaks.netA--0Timeout119.29.29.29
联通河北邢台联通dns4.browserleaks.netA--0Timeout202.99.160.68
联通河北唐山联通dns4.browserleaks.netA--0Timeout119.29.29.29
联通河北邯郸联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通河南开封联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通河南洛阳联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通河南平顶山联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通河南漯河联通dns4.browserleaks.netA--0Timeout222.85.85.85
联通河南商丘联通dns4.browserleaks.netA--0Timeout202.102.224.68
联通河南驻马店联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通河南郑州联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通河南郑州联通dns4.browserleaks.netA--0Timeout192.168.31.1
联通河南信阳联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通云南曲靖联通dns4.browserleaks.netA--0Timeout221.3.131.11
联通云南昆明联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通辽宁铁岭联通dns4.browserleaks.netA--0Timeout8.8.8.8
联通辽宁沈阳联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通辽宁抚顺联通dns4.browserleaks.netA--0Timeout8.8.8.8
联通辽宁鞍山联通dns4.browserleaks.netA--0Timeout8.8.8.8
联通黑龙江鸡西联通dns4.browserleaks.netA--0Timeout202.97.224.68
联通湖南岳阳联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通湖南永州联通dns4.browserleaks.netA--0Timeout8.8.8.8
联通湖南衡阳联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通湖南邵阳联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通安徽芜湖联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通安徽滁州联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通山东龙口联通dns4.browserleaks.netA--0Timeout119.29.29.29
联通山东济宁联通dns4.browserleaks.netA--0Timeout202.102.154.3
联通山东枣庄联通dns4.browserleaks.netA--0Timeoutfe80::1
联通山东青岛联通dns4.browserleaks.netA--0Timeout202.102.134.68
联通山东菏泽联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通江苏苏州联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通江苏盐城联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通江苏徐州1联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通江苏南京联通dns4.browserleaks.netA--0Timeout192.168.0.1
联通江苏徐州联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通浙江宁波联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通浙江杭州联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通浙江温州1联通dns4.browserleaks.netA--0Timeout61.153.177.196
联通浙江温州联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通江西南昌联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通湖北恩施联通dns4.browserleaks.netA--0Timeoutfe80::1
联通广西贵港联通dns4.browserleaks.netA--0Timeoutfe80::1
联通甘肃兰州联通dns4.browserleaks.netA--0Timeout221.7.34.10
联通甘肃庆阳联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通甘肃平凉1联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通甘肃平凉联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通甘肃联通dns4.browserleaks.netA--0Timeout--
联通山西长治联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通山西晋中联通dns4.browserleaks.netA--0Timeout192.168.1.1
联通山西运城联通dns4.browserleaks.netA--0Timeout192.168.1.1
联通内蒙古包头联通dns4.browserleaks.netA
1.28.205.151.28.206.881.28.207.381.28.204.1811.28.204.36
5853ms223.5.5.5
联通内蒙古赤峰联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通陕西西安联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通陕西渭南联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通吉林辽源联通dns4.browserleaks.netA--0Timeoutfe80::1
联通吉林梅河口联通dns4.browserleaks.netA--0Timeout119.29.29.29
联通吉林通化联通dns4.browserleaks.netA--0Timeout8.8.8.8
联通福建厦门联通dns4.browserleaks.netA--0Timeout58.22.96.66
联通福建宁德联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通贵州贵阳联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通贵州黔南联通dns4.browserleaks.netA--0Timeout192.168.1.1
联通广东清远联通dns4.browserleaks.netA--0Timeoutfe80::1
联通广东佛山联通dns4.browserleaks.netA--0Timeoutfe80::1
联通广东韶关联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通广东湛江联通dns4.browserleaks.netA--0Timeout8.8.8.8
联通广东广州联通dns4.browserleaks.netA--0Timeoutfe80::1
联通青海西宁联通dns4.browserleaks.netA--0Timeout223.5.5.5
联通青海海东联通dns4.browserleaks.netA--0Timeout192.168.1.1
联通四川广安联通dns4.browserleaks.netA--0Timeout127.0.0.53
联通宁夏银川联通dns4.browserleaks.netA--0Timeout192.168.1.1
移动北京移动dns4.browserleaks.netA--0Timeout100.127.129.129
移动天津移动dns4.browserleaks.netA--0Timeout180.76.76.76
移动上海移动dns4.browserleaks.netA--0Timeout211.136.17.107
移动重庆江津移动dns4.browserleaks.netA--0Timeout127.0.0.53
移动重庆沙坪坝移动dns4.browserleaks.netA--0Timeout127.0.0.53
移动重庆九龙坡移动dns4.browserleaks.netA--0Timeout100.127.129.129
移动河北石家庄移动dns4.browserleaks.netA--0Timeout223.5.5.5
移动河北唐山1移动dns4.browserleaks.netA--0Timeout192.168.0.2
移动河北唐山移动dns4.browserleaks.netA--0Timeout119.29.29.29
移动河南三门峡移动dns4.browserleaks.netA--0Timeout223.5.5.5
移动河南漯河移动dns4.browserleaks.netA--0Timeout127.0.0.53
移动河南驻马店移动dns4.browserleaks.netA--0Timeout127.0.0.53
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DNS Test Findings for dns4.browserleaks.net

Tested
Sep 29, 2026, 11:15 AM
Completed probes
316/316
DNS response probes
2 (0.6%)
Average DNS lookup time
682 ms

This DNS lookup for dns4.browserleaks.net ran on 2026-09-29 03:15 UTC. The overall DNS response rate was 0.6, and the median DNS lookup time was 682 ms, well above the 200 ms threshold. Only 2 of 316 nodes obtained a valid result; 314 did n

dns4.browserleaks.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 (%)

1.3%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: 1.3%1.3%UnicomMobile: 0%0%MobileOverseas: 0%0%Overseas

P50 DNS lookup time

DNS lookup time (ms)

511 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.05001kTelecom: 511 ms511 msTelecomUnicom: 853 ms853 msUnicomMobile: ----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

  • The overall DNS response rate was 0.6: only 2 of 316 nodes returned a usable resolved result, while 314 did not obtain a valid result.
  • Median DNS lookup time was 682 ms, with P90 at 819 ms and P95 at 836 ms, all above the 200 ms threshold.
  • Telecom showed a response rate of 0.8 and a 511 ms lookup time; Unicom showed 1.3 and 853 ms; Mobile and Overseas returned no valid resolved result.
  • Seven distinct resolved addresses were observed, which describes answer diversity in this run only and does not establish correctness or a cause.

Improvement recommendations

  • The DNS response rate is 0.6%, below the 99% review threshold. Retest the unanswered probes and verify the authoritative DNS service, query type, and record only if failures persist.
  • P50 reached 682 ms, above the 200 ms review threshold. Repeat the same probes at a different time and investigate the relevant resolver service and query path only if the elevated median persists.

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