PublicDNS.info Live-tested public DNS
Retested every 72 hours.

Public DNS Servers in Japan

189 servers verified as of — page 1 of 4.

We currently list 189 public DNS servers in Japan, each verified through our automated 72-hour probe cycle. Of these, 74% (140 servers) validate DNSSEC signatures, protecting users from DNS spoofing attacks. Top providers in Japan include AS-CHOOPA, NTT Communications Corporation, Global Network Core Co.,Ltd.. We also track 55 servers with known issues in Japan, including NXDOMAIN hijacking and response errors. For the fastest DNS in Japan, try our latency benchmark from your location. To check your current DNS configuration for leaks and encryption, use the DNS Privacy Check.

DNS quality in Japan

DNS quality metrics for Japan
Median response time 262 ms (across 189 measured servers)
Highly reliable (≥90% uptime) 179 servers (95%)
DNSSEC validating 140 servers (74%)
Servers with known issues 55 flagged

Metrics from our last probe cycle: every server in Japan is tested for response time, reliability, DNSSEC validation, and NXDOMAIN integrity on a 72-hour cycle. The median response of 262 ms is measured from our probe locations — servers closer to you will typically respond faster; verify with the latency benchmark.

All Countries Japan ISP DNS Gaming DNS in Japan Privacy DNS in Japan 55 servers with issues

Local / ISP Providers (188 total)

Local / ISP Providers
IPASNOrgStatusReliabilityLast checkedTools
66.42.33.24
AS20473 AS-CHOOPA OK 100% 05-11-2026 10:40:12 (GMT) WHOIS
219.163.11.226
AS4713 NTT Communications Corporation OK 100% 05-11-2026 08:28:24 (GMT) WHOIS
218.223.34.93
AS18070 Global Network Core Co.,Ltd. OK 100% 05-11-2026 08:27:53 (GMT) WHOIS
210.190.25.80
AS4713 NTT Communications Corporation OK 100% 05-11-2026 08:03:23 (GMT) WHOIS
210.172.1.251
AS9600 So-net Corporation OK 100% 05-11-2026 08:02:50 (GMT) WHOIS
203.178.136.36
AS2500 WIDE Project OK 100% 05-11-2026 07:48:53 (GMT) WHOIS
172.104.90.123
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:19:15 (GMT) WHOIS
163.44.49.226
AS2514 NTT PC Communications, Inc. OK 100% 05-11-2026 05:02:41 (GMT) WHOIS
160.16.111.164
AS9370 SAKURA Internet Inc. OK 100% 05-11-2026 04:56:35 (GMT) WHOIS
153.150.154.214
AS4713 NTT Communications Corporation OK 100% 05-11-2026 04:43:20 (GMT) WHOIS
14.128.21.30
AS23637 Equinix Japan Enterprise K.K. OK 100% 05-11-2026 04:19:10 (GMT) WHOIS
122.214.1.141
AS17506 ARTERIA Networks Corporation OK 100% 05-11-2026 03:56:19 (GMT) WHOIS
113.149.254.97
AS2516 KDDI CORPORATION OK 100% 05-11-2026 03:34:40 (GMT) WHOIS
211.10.168.1
AS2516 KDDI CORPORATION OK 100% 05-11-2026 08:04:58 (GMT) WHOIS
140.227.38.198
AS2514 NTT PC Communications, Inc. OK 100% 05-11-2026 04:21:12 (GMT) WHOIS
202.229.255.8
AS2514 NTT PC Communications, Inc. OK 100% 05-11-2026 07:44:08 (GMT) WHOIS
8.216.82.12
AS45102 Alibaba US Technology Co., Ltd. OK 100% 05-11-2026 11:46:21 (GMT) WHOIS
8.216.34.160
AS45102 Alibaba US Technology Co., Ltd. OK 100% 05-11-2026 11:46:19 (GMT) WHOIS
61.206.47.244
AS4694 IDC Frontier Inc. OK 100% 05-11-2026 10:24:58 (GMT) WHOIS
61.206.47.243
AS4694 IDC Frontier Inc. OK 100% 05-11-2026 10:24:57 (GMT) WHOIS
61.121.217.198
AS17707 AS for DATAHOTEL, which is one of iDC in Japan OK 100% 05-11-2026 10:24:47 (GMT) WHOIS
49.212.205.80
AS9371 SAKURA Internet Inc. OK 100% 05-11-2026 09:43:36 (GMT) WHOIS
49.212.148.38
AS9371 SAKURA Internet Inc. OK 100% 05-11-2026 09:43:32 (GMT) WHOIS
49.212.145.129
AS9371 SAKURA Internet Inc. OK 100% 05-11-2026 09:43:29 (GMT) WHOIS
47.245.33.180
AS45102 Alibaba US Technology Co., Ltd. OK 100% 05-11-2026 09:41:33 (GMT) WHOIS
43.165.181.207
AS132203 Tencent Building, Kejizhongyi Avenue OK 100% 05-11-2026 09:15:08 (GMT) WHOIS
43.165.180.63
AS132203 Tencent Building, Kejizhongyi Avenue OK 100% 05-11-2026 09:15:06 (GMT) WHOIS
43.167.176.22
AS132203 Tencent Building, Kejizhongyi Avenue OK 100% 05-11-2026 09:15:00 (GMT) WHOIS
43.167.157.97
AS132203 Tencent Building, Kejizhongyi Avenue OK 100% 05-11-2026 09:14:59 (GMT) WHOIS
43.133.176.20
AS132203 Tencent Building, Kejizhongyi Avenue OK 100% 05-11-2026 09:14:46 (GMT) WHOIS
31.223.184.175
AS199524 G-Core Labs S.A. OK 100% 05-11-2026 08:46:58 (GMT) WHOIS
27.133.158.52
AS9370 SAKURA Internet Inc. OK 100% 05-11-2026 08:40:22 (GMT) WHOIS
23.106.142.219
AS25820 IT7 Networks Inc OK 100% 05-11-2026 08:32:52 (GMT) WHOIS
217.142.239.111
AS31898 Oracle Corporation OK 100% 05-11-2026 08:23:47 (GMT) WHOIS
212.50.252.238
AS25820 IT7 Networks Inc OK 100% 05-11-2026 08:12:28 (GMT) WHOIS
211.1.228.61
AS7671 NTT SmartConnect Corporation OK 100% 05-11-2026 08:04:56 (GMT) WHOIS
203.184.98.232
AS7671 NTT SmartConnect Corporation OK 100% 05-11-2026 07:49:08 (GMT) WHOIS
203.137.109.230
AS4694 IDC Frontier Inc. OK 100% 05-11-2026 07:47:27 (GMT) WHOIS
20.63.139.15
AS8075 Microsoft Corporation OK 100% 05-11-2026 07:30:09 (GMT) WHOIS
20.40.99.201
AS8075 Microsoft Corporation OK 100% 05-11-2026 07:30:05 (GMT) WHOIS
185.130.46.67
AS210083 Privex Inc. OK 100% 05-11-2026 06:04:58 (GMT) WHOIS
178.249.213.76
AS60068 Datacamp Limited OK 100% 05-11-2026 05:40:54 (GMT) WHOIS
172.237.5.72
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:21:10 (GMT) WHOIS
172.233.73.158
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:20:41 (GMT) WHOIS
172.234.94.135
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:20:37 (GMT) WHOIS
172.233.65.253
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:20:35 (GMT) WHOIS
172.233.90.139
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:20:29 (GMT) WHOIS
172.104.90.132
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:19:16 (GMT) WHOIS
172.104.64.167
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:19:10 (GMT) WHOIS
172.104.92.233
AS63949 Akamai Connected Cloud OK 100% 05-11-2026 05:19:06 (GMT) WHOIS

DNS tools for Japan