445.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广东广州联通 0.001s北京联通 2.362s0.216s
China Telecom浙江温州1电信 0.003s安徽黄山电信 1.869s0.207s
China Unicom广东广州联通 0.001s北京联通 2.362s0.281s
China Mobile江苏苏州移动 0.001s重庆沙坪坝移动 1.267s0.168s
East China江苏苏州移动 0.001s安徽黄山电信 1.869s0.212s
South China广东广州联通 0.001s广东韶关联通 0.505s0.118s
Central China河南商丘联通 0.002s河南开封电信 0.704s0.199s
North China天津联通 0.003s北京联通 2.362s0.242s
Southwest贵州贵阳联通 0.004s重庆沙坪坝移动 1.267s0.280s
Northwest陕西西安联通 0.003s甘肃联通 0.661s0.220s
Northeast辽宁铁岭电信 0.005s辽宁盘锦移动 0.570s0.266s
HK/MO/TW台湾高雄 0.160s澳门 0.202s0.183s

DNS Resolution Stats

4

Showing: 308/308

NodeTargetTypeResolved ResultsRecordsDetailTimeDNS
电信天津电信445.comA
121.22.251.28
1352ms223.5.5.5
电信上海徐汇电信445.comA
121.22.251.28
1257ms8.8.8.8
电信上海奉贤电信445.comA
121.22.251.28
157ms127.0.0.53
电信重庆黔江电信445.comA
121.22.251.28
1180ms8.8.8.8
电信重庆江津电信445.comA
121.22.251.28
114ms127.0.0.53
电信重庆两江电信445.comA
121.22.251.28
1184ms223.5.5.5
电信河北石家庄1电信445.comA
121.22.251.28
1274ms8.8.8.8
电信河北邢台电信445.comA
121.22.251.28
1325ms223.5.5.5
电信河北唐山电信445.comA
121.22.251.28
16ms223.5.5.5
电信河北石家庄电信445.comA
121.22.251.28
1195ms223.5.5.5
电信河北电信445.comA
121.22.251.28
131ms114.114.114.114
电信河南三门峡电信445.comA
121.22.251.28
1207ms222.88.88.88
电信河南商丘电信445.comA
121.22.251.28
1210ms119.29.29.29
电信河南郑州电信445.comA
121.22.251.28
1296ms100.95.0.1
电信河南开封电信445.comA
121.22.251.28
1704ms223.5.5.5
电信河南驻马店电信445.comA
121.22.251.28
1227ms192.168.5.1
电信河南漯河电信445.comA
121.22.251.28
1219ms222.85.85.85
电信河南南阳电信445.comA
121.22.251.28
1231ms223.5.5.5
电信云南昆明电信445.comA
121.22.251.28
17msfe80::5
电信云南文山电信445.comA
121.22.251.28
1363ms61.166.150.123
电信辽宁辽阳电信445.comA
121.22.251.28
1204ms8.8.8.8
电信辽宁铁岭电信445.comA
121.22.251.28
15ms219.148.204.66
电信辽宁沈阳电信445.comA
121.22.251.28
133ms8.8.8.8
电信辽宁鞍山电信445.comA
121.22.251.28
1298ms223.5.5.5
电信辽宁盘锦电信445.comA
121.22.251.28
15ms219.148.204.66
电信黑龙江鸡西电信445.comA
121.22.251.28
1455ms112.100.100.100
电信湖南郴州电信445.comA
121.22.251.28
1125ms8.8.8.8
电信湖南长沙电信445.comA
121.22.251.28
1277ms100.95.0.1
电信湖南衡阳电信445.comA
121.22.251.28
1132ms8.8.8.8
电信湖南邵阳1电信445.comA
121.22.251.28
16ms223.5.5.5
电信湖南株洲电信445.comA
121.22.251.28
1137ms223.5.5.5
电信湖南长沙1电信445.comA
121.22.251.28
1124ms119.29.29.29
电信湖南岳阳电信445.comA
121.22.251.28
122msfe80::5
电信湖南邵阳电信445.comA
121.22.251.28
196ms127.0.0.53
电信安徽芜湖电信445.comA
121.22.251.28
1192ms8.8.8.8
电信安徽池州电信445.comA
121.22.251.28
111ms127.0.0.53
电信安徽滁州电信445.comA
121.22.251.28
1198ms223.5.5.5
电信安徽黄山电信445.comA
121.22.251.28
11869ms223.5.5.5
电信安徽安庆电信445.comA
121.22.251.28
1344ms114.114.115.115
电信安徽淮南电信445.comA
121.22.251.28
165ms202.102.213.68
电信安徽合肥电信445.comA
121.22.251.28
16ms61.132.163.68
电信安徽马鞍山电信445.comA
121.22.251.28
1395ms192.168.0.1
电信安徽合肥电信445.comA
121.22.251.28
1193ms8.8.8.8
电信山东青岛1电信445.comA
121.22.251.28
11660ms100.95.0.1
电信山东枣庄电信445.comA
121.22.251.28
1194ms223.5.5.5
电信山东济南电信445.comA
121.22.251.28
1204ms119.29.29.29
电信山东龙口电信445.comA
121.22.251.28
1439ms8.8.8.8
电信山东青岛电信445.comA
119.45.199.223
1414ms223.5.5.5
电信新疆乌鲁木齐电信445.comA
121.22.251.28
1390ms100.95.0.1
电信江苏苏州电信445.comA
221.228.32.13
18ms223.5.5.5
电信江苏宿迁电信445.comA
221.228.32.13
15ms127.0.0.53
电信江苏盐城电信445.comA
221.228.32.13
17ms8.8.8.8
电信江苏泰州电信445.comA
221.228.32.13
130ms223.5.5.5
电信江苏连云港电信445.comA
121.22.251.28
120ms223.5.5.5
电信江苏徐州1电信445.comA
221.228.32.13
130ms223.5.5.5
电信江苏无锡电信445.comA
221.228.32.13
134ms223.5.5.5
电信江苏盐城1电信445.comA
121.22.251.28
126ms127.0.0.53
电信江苏南通电信445.comA
221.228.32.13
132ms223.5.5.5
电信江苏南京电信445.comA
221.228.32.13
128ms8.8.8.8
电信宿迁电信445.comA--0Timeout--
电信浙江宁波电信445.comA
121.22.251.28
19ms127.0.0.53
电信浙江杭州电信445.comA
121.22.251.28
1280ms100.95.0.1
电信浙江嘉兴电信445.comA
121.22.251.28
1272ms223.6.6.6
电信浙江金华电信445.comA
121.22.251.28
1104ms127.0.0.53
电信浙江绍兴电信445.comA
121.22.251.28
1274ms114.114.115.115
电信浙江温州1电信445.comA
121.22.251.28
13ms61.153.177.196
电信浙江温州电信445.comA
121.22.251.28
1336ms127.0.0.53
电信浙江衢州电信445.comA
121.22.251.28
14ms202.96.113.34
电信浙江丽水电信445.comA
121.22.251.28
1265ms223.6.6.6
电信江西南昌电信445.comA
121.22.251.28
192ms127.0.0.53
电信江西吉安电信445.comA
121.22.251.28
186ms192.168.1.1
电信江西赣州电信445.comA
121.22.251.28
1197ms119.29.29.29
电信湖北襄阳电信445.comA
121.22.251.28
1105ms127.0.0.53
电信湖北十堰电信445.comA
121.22.251.28
1101ms127.0.0.53
电信湖北武汉电信445.comA
121.22.251.28
16ms202.103.24.68
电信湖北十堰电信445.comA--0Timeout--
电信广西贵港电信445.comA
121.22.251.28
187msfe80::1
电信广西南宁电信445.comA
121.22.251.28
13ms202.103.224.68
电信广西南宁1电信445.comA
121.22.251.28
1287ms100.95.0.1
电信广西玉林电信445.comA
121.22.251.28
1280ms223.5.5.5
电信广西柳州电信445.comA
121.22.251.28
114ms192.168.1.1
电信甘肃兰州电信445.comA
121.22.251.28
1453ms8.8.8.8
电信甘肃庆阳电信445.comA
121.22.251.28
1412ms100.95.0.1
电信甘肃庆阳1电信445.comA
121.22.251.28
1459ms127.0.0.53
电信甘肃平凉电信445.comA
121.22.251.28
122ms192.168.1.1
电信山西太原电信445.comA
121.22.251.28
1241ms100.95.0.1
电信山西晋中电信445.comA
121.22.251.28
1189ms192.168.1.1
电信内蒙古呼和浩特电信445.comA
121.22.251.28
1243ms100.95.0.1
电信内蒙古巴彦淖尔电信445.comA
121.22.251.28
112ms223.5.5.5
电信内蒙古包头电信445.comA
121.22.251.28
1201ms223.5.5.5
电信陕西西安1电信445.comA
121.22.251.28
15msfe80::1
电信陕西渭南电信445.comA
121.22.251.28
1457ms127.0.0.53
电信陕西西安电信445.comA
121.22.251.28
1459ms127.0.0.53
电信陕西咸阳电信445.comA
121.22.251.28
15ms218.30.19.40
电信吉林辽源电信445.comA
121.22.251.28
1362ms119.29.29.29
电信吉林松原电信445.comA
119.45.199.223
18ms240e:211::6666
电信福建福州电信445.comA
121.22.251.28
1118ms8.8.8.8
电信福建厦门电信445.comA
121.22.251.28
1127ms223.5.5.5
电信福建漳州电信445.comA
121.22.251.28
1131ms223.5.5.5
电信福建三明电信445.comA
121.22.251.28
1145ms114.114.115.115
电信福建宁德电信445.comA
121.22.251.28
1130ms223.5.5.5
电信福建泉州电信445.comA
121.22.251.28
1123ms223.5.5.5
电信贵州贵阳电信445.comA
121.22.251.28
1395ms8.8.8.8
电信贵州黔南电信445.comA
121.22.251.28
1112ms192.168.31.1
电信贵州贵阳电信445.comA
121.22.251.28
127ms114.114.114.114
电信广东广州1电信445.comA
121.22.251.28
128ms100.125.0.250
电信广东揭阳电信445.comA
121.22.251.28
1155ms223.5.5.5
电信广东佛山电信445.comA
121.22.251.28
123msfe80::1
电信广东清远电信445.comA
121.22.251.28
119ms127.0.0.53
电信广东韶关电信445.comA
121.22.251.28
1381ms223.5.5.5
电信广东湛江电信445.comA
121.22.251.28
1268ms8.8.8.8
电信广东广州电信445.comA
121.22.251.28
140ms127.0.0.53
电信青海西宁电信445.comA
121.22.251.28
1475ms8.8.8.8
电信青海海东电信445.comA
121.22.251.28
1236ms192.168.1.1
电信电信青海445.comA
121.22.251.28
134ms127.0.0.53
电信西藏拉萨1电信445.comA
121.22.251.28
1472ms8.8.8.8
电信西藏拉萨电信445.comA
121.22.251.28
1923ms127.0.0.53
电信四川成都电信445.comA
121.22.251.28
1190ms119.29.29.29
电信四川自贡电信445.comA
121.22.251.28
1188ms61.139.2.69
电信四川绵阳电信445.comA
121.22.251.28
1200ms223.5.5.5
电信四川广安电信445.comA--0Timeout--
电信宁夏银川电信445.comA
121.22.251.28
143ms192.168.2.1
电信海南三亚电信445.comA
121.22.251.28
1447ms8.8.8.8
电信海南海口电信445.comA
121.22.251.28
1364ms127.0.0.53
电信北京电信445.comA
121.22.251.28
120ms127.0.0.53
联通北京联通445.comA
121.22.251.28
12362ms127.0.0.53
联通天津联通445.comA
121.22.251.28
13ms180.76.76.76
联通上海联通445.comA
1.1.1.1
17ms8.8.8.8
联通上海数据中心445.comA
121.22.251.28
1296ms127.0.0.53
联通重庆联通445.comA
121.22.251.28
19msfe80::1
联通河北邯郸联通445.comA
121.22.251.28
112ms119.29.29.29
联通河北邢台联通445.comA
121.22.251.28
173ms202.99.160.68
联通河北唐山联通445.comA
121.22.251.28
1105ms119.29.29.29
联通河南洛阳联通445.comA
121.22.251.28
1189ms223.5.5.5
联通河南平顶山联通445.comA
121.22.251.28
1260ms223.5.5.5
联通河南漯河联通445.comA
121.22.251.28
1201ms222.85.85.85
联通河南商丘联通445.comA
121.22.251.28
12ms202.102.224.68
联通河南驻马店联通445.comA
121.22.251.28
1212ms127.0.0.53
联通河南郑州联通445.comA
121.22.251.28
122msfe80::1
联通河南郑州联通445.comA
121.22.251.28
117ms192.168.31.1
联通河南信阳联通445.comA
121.22.251.28
1427ms223.5.5.5
联通河南开封联通445.comA
121.22.251.28
1202ms223.5.5.5
联通云南曲靖联通445.comA
121.22.251.28
1283ms221.3.131.11
联通云南昆明联通445.comA
121.22.251.28
1756ms223.5.5.5
联通辽宁铁岭联通445.comA
121.22.251.28
1208ms8.8.8.8
联通辽宁沈阳联通445.comA
121.22.251.28
1490ms223.5.5.5
联通辽宁抚顺联通445.comA
121.22.251.28
1371ms8.8.8.8
联通辽宁鞍山联通445.comA
121.22.251.28
1485ms8.8.8.8
联通辽宁盘锦联通445.comA
121.22.251.28
1269ms202.96.69.38
联通黑龙江鸡西联通445.comA
121.22.251.28
17ms202.97.224.68
联通湖南岳阳联通445.comA
121.22.251.28
16ms127.0.0.53
联通湖南永州联通445.comA
121.22.251.28
1292ms8.8.8.8
联通湖南衡阳联通445.comA
121.22.251.28
1637ms223.5.5.5
联通湖南邵阳联通445.comA
121.22.251.28
1427ms127.0.0.53
联通安徽芜湖联通445.comA
121.22.251.28
11134ms127.0.0.53
联通安徽滁州联通445.comA
121.22.251.28
1215ms223.5.5.5
联通山东龙口联通445.comA
121.22.251.28
1284ms119.29.29.29
联通山东济宁联通445.comA
121.22.251.28
1407ms202.102.154.3
联通山东枣庄联通445.comA
121.22.251.28
1411msfe80::1
联通山东青岛联通445.comA
121.22.251.28
1187ms202.102.134.68
联通山东菏泽联通445.comA
121.22.251.28
1299ms127.0.0.53
联通江苏苏州联通445.comA
121.22.251.28
1534ms223.5.5.5
联通江苏盐城联通445.comA
121.22.251.28
1224ms223.5.5.5
联通江苏徐州1联通445.comA
121.22.251.28
1496ms223.5.5.5
联通江苏南京联通445.comA
121.22.251.28
13ms192.168.0.1
联通浙江宁波联通445.comA
121.22.251.28
1543ms127.0.0.53
联通浙江杭州联通445.comA
121.22.251.28
1529ms223.5.5.5
联通浙江温州1联通445.comA
121.22.251.28
15ms61.153.177.196
联通浙江温州联通445.comA
121.22.251.28
1613ms127.0.0.53
联通江西南昌联通445.comA
121.22.251.28
18ms127.0.0.53
联通湖北恩施联通445.comA
121.22.251.28
116msfe80::1
联通广西贵港联通445.comA
121.22.251.28
18msfe80::1
联通甘肃兰州联通445.comA
121.22.251.28
15ms221.7.34.10
联通甘肃庆阳联通445.comA
121.22.251.28
1604ms127.0.0.53
联通甘肃平凉1联通445.comA
121.22.251.28
117ms223.5.5.5
联通甘肃平凉联通445.comA
121.22.251.28
1516ms223.5.5.5
联通甘肃联通445.comA
121.22.251.28
1661ms127.0.0.53
联通山西长治联通445.comA
121.22.251.28
1569ms223.5.5.5
联通山西晋中联通445.comA
121.22.251.28
1208ms192.168.1.1
联通山西运城联通445.comA
121.22.251.28
13ms192.168.1.1
联通内蒙古包头联通445.comA
121.22.251.28
1198ms223.5.5.5
联通内蒙古赤峰联通445.comA
121.22.251.28
1561ms223.5.5.5
联通陕西西安联通445.comA
121.22.251.28
13ms127.0.0.53
联通陕西渭南联通445.comA
121.22.251.28
16ms127.0.0.53
联通吉林辽源联通445.comA
121.22.251.28
121msfe80::1
联通吉林梅河口联通445.comA
121.22.251.28
1567ms119.29.29.29
联通吉林通化联通445.comA
121.22.251.28
1563ms8.8.8.8
联通福建厦门联通445.comA
121.22.251.28
14ms58.22.96.66
联通福建宁德联通445.comA
121.22.251.28
1225ms223.5.5.5
联通贵州贵阳1联通445.comA
121.22.251.28
11018ms127.0.0.53
联通贵州黔南联通445.comA
121.22.251.28
110ms192.168.1.1
联通贵州贵阳联通445.comA
121.22.251.28
14ms192.168.1.1
联通广东清远联通445.comA
121.22.251.28
15msfe80::1
联通广东佛山联通445.comA
121.22.251.28
110msfe80::1
联通广东韶关联通445.comA
121.22.251.28
1505ms223.5.5.5
联通广东广州联通445.comA
121.22.251.28
11msfe80::1
联通青海西宁联通445.comA
121.22.251.28
1453ms223.5.5.5
联通青海海东联通445.comA
121.22.251.28
110ms192.168.1.1
联通四川广安联通445.comA
121.22.251.28
117ms127.0.0.53
联通宁夏银川1联通445.comA
121.22.251.28
115ms127.0.0.53
联通宁夏银川联通445.comA
121.22.251.28
112ms127.0.0.53
移动北京移动445.comA
121.22.251.28
13ms100.127.129.129
移动天津移动445.comA
121.22.251.28
1341ms180.76.76.76
移动上海移动445.comA
121.22.251.28
125ms211.136.17.107
移动重庆江津移动445.comA
121.22.251.28
118ms127.0.0.53
移动重庆沙坪坝移动445.comA
121.22.251.28
11267ms127.0.0.53
移动重庆九龙坡移动445.comA
121.22.251.28
132ms100.127.129.129
移动河北石家庄移动445.comA
121.22.251.28
1213ms223.5.5.5
移动河北唐山1移动445.comA
121.22.251.28
1419ms192.168.0.2
移动河北唐山移动445.comA
121.22.251.28
1203ms119.29.29.29
移动河南三门峡移动445.comA
121.22.251.28
1206ms223.5.5.5
移动河南漯河移动445.comA
121.22.251.28
1471ms127.0.0.53
移动河南驻马店移动445.comA
121.22.251.28
1521ms127.0.0.53
移动河南信阳移动445.comA
121.22.251.28
1436ms100.100.100.100
移动云南昆明移动445.comA
121.22.251.28
1419ms223.5.5.5
移动辽宁鞍山移动445.comA
121.22.251.28
1278ms223.5.5.5
移动辽宁大连移动445.comA
121.22.251.28
1417ms127.0.0.53
移动辽宁盘锦移动445.comA
121.22.251.28
1570ms211.140.197.58
移动黑龙江鸡西移动445.comA
121.22.251.28
123ms218.203.59.116
移动湖南永州移动445.comA
121.22.251.28
1144ms8.8.8.8
移动湖南长沙移动445.comA
121.22.251.28
118ms100.127.129.129
移动湖南邵阳移动445.comA
121.22.251.28
110ms127.0.0.53
移动安徽池州移动445.comA
121.22.251.28
18msfe80::1
移动安徽滁州移动445.comA
121.22.251.28
1211ms223.5.5.5
移动安徽黄山移动445.comA
121.22.251.28
1206ms223.5.5.5
移动安徽合肥移动445.comA
121.22.251.28
1210ms223.5.5.5
移动山东济南移动445.comA
121.22.251.28
117ms100.127.129.129
移动山东烟台移动445.comA
121.22.251.28
1439ms223.5.5.5
移动山东聊城移动445.comA
121.22.251.28
19ms127.0.0.53
移动山东菏泽移动445.comA
121.22.251.28
113ms127.0.0.53
移动新疆昌吉移动445.comA
121.22.251.28
145ms::1
移动新疆伊犁移动445.comA
121.22.251.28
122ms127.0.0.53
移动江苏徐州移动445.comA
121.22.251.28
1390ms223.5.5.5
移动江苏苏州2移动445.comA
121.22.251.28
124ms100.127.129.129
移动江苏泰州移动445.comA
121.22.251.28
1275ms223.5.5.5
移动江苏盐城2移动445.comA
121.22.251.28
133ms192.168.110.1
移动江苏南通移动445.comA
221.228.32.13
16ms8.8.8.8
移动江苏苏州移动445.comA
221.228.32.13
11ms223.5.5.5
移动浙江宁波移动445.comA
121.22.251.28
110ms127.0.0.53
移动浙江金华移动445.comA
121.22.251.28
113ms127.0.0.53
移动浙江温州移动445.comA
121.22.251.28
1201ms127.0.0.53
移动浙江杭州移动445.comA
121.22.251.28
1106ms223.5.5.5
移动江西南昌移动445.comA
121.22.251.28
112ms192.168.110.1
移动江西宜春移动445.comA
121.22.251.28
158ms211.141.90.68
移动湖北恩施移动445.comA
121.22.251.28
116ms192.168.110.1
移动广西贵港移动445.comA
121.22.251.28
119msfe80::1
移动广西南宁移动445.comA
121.22.251.28
15ms211.138.240.100
移动广西玉林移动445.comA
121.22.251.28
1164ms223.5.5.5
移动广西柳州移动445.comA
121.22.251.28
112ms192.168.1.1
移动甘肃庆阳移动445.comA
121.22.251.28
1255ms127.0.0.53
移动山西太原移动445.comA
121.22.251.28
111ms::1
移动山西晋中移动445.comA
121.22.251.28
18ms192.168.1.1
移动山西大同移动445.comA
121.22.251.28
116ms192.168.1.1
移动内蒙古巴彦淖尔移动445.comA
121.22.251.28
1360ms223.5.5.5
移动内蒙古呼和浩特移动445.comA
121.22.251.28
114ms100.127.129.129
移动内蒙古包头移动445.comA
121.22.251.28
1199ms114.114.115.115
移动陕西西安2移动445.comA
121.22.251.28
121ms100.127.129.129
移动陕西西安1移动445.comA
121.22.251.28
1253ms127.0.0.53
移动陕西渭南移动445.comA
121.22.251.28
1517ms127.0.0.53
移动吉林通化移动445.comA
121.22.251.28
1213ms223.5.5.5
移动福建厦门2移动445.comA
121.22.251.28
1432ms223.5.5.5
移动福建漳州移动445.comA
121.22.251.28
116ms211.136.17.107
移动福建厦门移动445.comA
121.22.251.28
183ms211.138.156.66
移动贵州贵阳移动445.comA
121.22.251.28
122ms100.127.129.129
移动贵州黔南移动445.comA
121.22.251.28
1260ms192.168.1.1
移动广东清远移动445.comA
121.22.251.28
110ms2409:8057:2000:2::8
移动广东佛山移动445.comA
121.22.251.28
133ms192.168.1.1
移动广东广州1移动445.comA
121.22.251.28
18ms100.127.129.129
移动广东湛江移动445.comA
121.22.251.28
1123ms2402:4e00::
移动广东广州移动445.comA
121.22.251.28
11ms2409:8057:2000:2::8
移动西藏拉萨移动445.comA
121.22.251.28
161ms::1
移动四川成都1移动445.comA
121.22.251.28
15ms8.8.8.8
移动四川乐山移动445.comA
121.22.251.28
1346ms211.137.96.205
移动四川广安移动445.comA
121.22.251.28
1623ms127.0.0.53
移动宁夏银川移动445.comA
121.22.251.28
1167ms192.168.1.1
移动宁夏中卫移动445.comA
121.22.251.28
17ms192.168.1.1
海外台湾高雄445.comA
121.22.251.28
1160ms127.0.0.53
海外台湾台北445.comA
121.22.251.28
1170ms8.8.8.8
海外香港九龙445.comA
121.22.251.28
1201ms1.1.1.1
海外澳门445.comA
121.22.251.28
1202ms1.1.1.1
海外卡塔尔445.comA
121.22.251.28
11331ms127.0.0.53
海外沙特阿拉伯445.comA
121.22.251.28
1800ms127.0.0.53
海外印度445.comA
121.22.251.28
11592ms127.0.0.53
海外印度尼西亚445.comA
121.22.251.28
1704ms127.0.0.53
海外新加坡445.comA
121.22.251.28
1434ms127.0.0.53
海外日本东京445.comA
121.22.251.28
13ms1.1.1.1
海外以色列445.comA
121.22.251.28
1956ms127.0.0.53
海外韩国445.comA
121.22.251.28
1410ms127.0.0.53
海外越南445.comA
121.22.251.28
1160ms8.8.8.8
海外马来西亚445.comA
121.22.251.28
166ms1.1.1.1
海外菲律宾445.comA
121.22.251.28
121ms1.1.1.1
海外泰国445.comA
121.22.251.28
1803ms127.0.0.53
海外韩国445.comA
121.22.251.28
1637ms169.254.169.254
海外菲律宾445.comA
121.22.251.28
1225ms192.168.31.1
海外英国445.comA
121.22.251.28
1302ms127.0.0.53
海外芬兰445.comA
121.22.251.28
1768ms127.0.0.53
海外西班牙445.comA
121.22.251.28
1500ms127.0.0.53
海外德国445.comA
121.22.251.28
117ms127.0.0.53
海外法国445.comA
121.22.251.28
1150ms127.0.0.53
海外波兰445.comA
121.22.251.28
1244ms127.0.0.53
海外美国芝加哥‌445.comA
121.22.251.28
167ms8.8.8.8
海外美国华盛顿445.comA
121.22.251.28
166ms8.8.8.8
海外巴西445.comA
121.22.251.28
11440ms127.0.0.53
海外南非445.comA
121.22.251.28
11400ms127.0.0.53
海外澳大利亚445.comA
121.22.251.28
11697ms127.0.0.53
海外俄罗斯莫斯科445.comA
121.22.251.28
1484ms8.8.8.8
海外柬埔寨金边445.comA
121.22.251.28
1733ms8.8.8.8
海外迪拜445.comA
121.22.251.28
11514ms38.54.8.230

DNS Test Findings for 445.com

Tested
Oct 3, 2026, 2:46 PM
Completed probes
308/308
DNS response probes
305 (99%)
Average DNS lookup time
254 ms

This DNS lookup test ran on 2026-10-03 with a 99% DNS response rate: 305 of 308 nodes returned a valid result and 3 did not. Overseas DNS lookup times were clearly higher than mobile, flagged as a latency gap worth attention.

445.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: 97.6%97.6%TelecomUnicom: 100%100%UnicomMobile: 100%100%MobileOverseas: 100%100%Overseas

P50 DNS lookup time

DNS lookup time (ms)

58 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.0250500Telecom: 168 ms168 msTelecomUnicom: 208 ms208 msUnicomMobile: 58 ms58 msMobileOverseas: 422 ms422 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 99%, with 305 of 308 nodes responding and 3 nodes returning no valid result during this observation window.
  • Overseas showed p50 422 ms, p90 1436 ms and average 571 ms, a 364 ms gap over mobile p50 58 ms, exceeding the 300 ms threshold.
  • Telecom, Unicom and mobile response rates were 97.6%, 100% and 100% respectively, with zero node errors and no resolver-level failures.
  • Four unique response IPs were observed, which describes answer diversity only and does not establish whether resolution was correct or indicate a root cause.

Improvement recommendations

  • overseas has a P50 latency gap of 364 ms versus China Mobile. 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.