DNS Server Issues in Japan
58 DNS servers in Japan with detected issues. These servers respond to probes but have problems that may affect usability.
Last updated: · All countries
Servers with issues
58 servers
| IP | ASN | Organization | Issue | Description | Reliability |
|---|---|---|---|---|---|
54.238.121.114
|
AS16509 | AMAZON-02 | BAD_RESPONSE | Returns unexpected response codes | 90% |
27.93.148.192
|
AS2516 | KDDI CORPORATION | BAD_RESPONSE | Returns unexpected response codes | 90% |
220.109.218.121
|
AS4713 | NTT Communications Corporation | BAD_RESPONSE | Returns unexpected response codes | 90% |
220.110.167.82
|
AS4713 | NTT Communications Corporation | BAD_RESPONSE | Returns unexpected response codes | 90% |
219.163.52.42
|
AS4713 | NTT Communications Corporation | BAD_RESPONSE | Returns unexpected response codes | 90% |
219.163.119.66
|
AS4713 | NTT Communications Corporation | BAD_RESPONSE | Returns unexpected response codes | 90% |
211.5.140.58
|
AS2516 | KDDI CORPORATION | BAD_RESPONSE | Returns unexpected response codes | 90% |
211.6.253.210
|
AS4713 | NTT Communications Corporation | BAD_RESPONSE | Returns unexpected response codes | 90% |
211.6.121.146
|
AS4713 | NTT Communications Corporation | BAD_RESPONSE | Returns unexpected response codes | 90% |
211.18.198.110
|
AS2516 | KDDI CORPORATION | BAD_RESPONSE | Returns unexpected response codes | 90% |
18.178.21.186
|
AS16509 | AMAZON-02 | BAD_RESPONSE | Returns unexpected response codes | 90% |
153.127.11.150
|
AS7684 | SAKURA Internet Inc. | BAD_RESPONSE | Returns unexpected response codes | 90% |
124.37.207.145
|
AS17506 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 90% |
84.247.153.185
|
AS141995 | Contabo Asia Private Limited | BAD_RESPONSE | Returns unexpected response codes | 77% |
61.127.173.9
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
60.43.59.164
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
60.43.59.179
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
58.89.238.11
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
49.212.217.84
|
AS9371 | SAKURA Internet Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
211.5.114.134
|
AS2516 | KDDI CORPORATION | BAD_RESPONSE | Returns unexpected response codes | 77% |
160.251.23.111
|
AS7506 | GMO Internet Group, Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
160.16.131.173
|
AS9370 | SAKURA Internet Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
160.16.109.177
|
AS9370 | SAKURA Internet Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
157.7.129.227
|
AS7506 | GMO Internet Group, Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
153.153.160.26
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
153.121.42.104
|
AS9370 | SAKURA Internet Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
153.151.6.252
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
153.153.144.113
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
153.153.144.114
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
133.149.219.22
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
133.153.71.126
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
103.163.250.233
|
AS4713 | NTT DOCOMO BUSINESS,Inc. | BAD_RESPONSE | Returns unexpected response codes | 77% |
1.21.4.1
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
1.21.4.11
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
1.21.4.105
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
1.21.4.107
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
1.21.4.109
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
1.21.4.101
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
1.21.4.103
|
AS2519 | ARTERIA Networks Corporation | BAD_RESPONSE | Returns unexpected response codes | 77% |
202.219.65.162
|
AS2510 | FUJITSU LIMITED | BAD_RESPONSE | Returns unexpected response codes | 65% |
192.50.109.65
|
AS17932 | Japan Advanced Institute of Science and Technology | CENSORED | Censors or filters certain domains | 100% |
46.250.248.195
|
AS141995 | Contabo Asia Private Limited | CENSORED | Censors or filters certain domains | 87% |
219.94.244.156
|
AS9371 | SAKURA Internet Inc. | CENSORED | Censors or filters certain domains | 87% |
203.83.244.139
|
AS63997 | Tsukaeru.net, Web Hosting Company, Japan | CENSORED | Censors or filters certain domains | 87% |
172.234.94.135
|
AS63949 | Akamai Connected Cloud | CENSORED | Censors or filters certain domains | 87% |
161.33.146.166
|
AS31898 | Oracle Corporation | CENSORED | Censors or filters certain domains | 87% |
160.251.169.98
|
AS58791 | GMO Internet Group, Inc. | CENSORED | Censors or filters certain domains | 87% |
160.251.136.61
|
AS58791 | GMO Internet Group, Inc. | CENSORED | Censors or filters certain domains | 87% |
160.251.122.98
|
AS7506 | GMO Internet Group, Inc. | CENSORED | Censors or filters certain domains | 87% |
158.101.158.40
|
AS31898 | Oracle Corporation | CENSORED | Censors or filters certain domains | 87% |
158.101.140.229
|
AS31898 | Oracle Corporation | CENSORED | Censors or filters certain domains | 87% |
157.7.211.103
|
AS7506 | GMO Internet Group, Inc. | CENSORED | Censors or filters certain domains | 87% |
153.121.77.86
|
AS9370 | SAKURA Internet Inc. | CENSORED | Censors or filters certain domains | 87% |
153.121.66.189
|
AS9370 | SAKURA Internet Inc. | CENSORED | Censors or filters certain domains | 87% |
153.121.39.147
|
AS9370 | SAKURA Internet Inc. | CENSORED | Censors or filters certain domains | 87% |
138.3.216.143
|
AS31898 | Oracle Corporation | CENSORED | Censors or filters certain domains | 87% |
121.50.47.25
|
AS63997 | Tsukaeru.net, Web Hosting Company, Japan | CENSORED | Censors or filters certain domains | 87% |
172.104.96.16
|
AS63949 | Akamai Connected Cloud | NX_HIJACK | Hijacks NXDOMAIN responses — redirects failed lookups | 77% |
What do these issues mean?
- REFUSED — Server is online but refuses queries from outside its network. Likely an ISP resolver that only serves its own subscribers.
- NX_HIJACK — Server works but redirects non-existent domain lookups to its own IP, typically showing ads instead of an error.
- SERVFAIL — Server responds but returns internal errors. May be misconfigured or overloaded.
- NETWORK_ERROR — Connection to the server failed at the network level.
- NO_ANSWER — Server responds to the query but provides no answer data.
- CENSORED — Server returns different results for certain domains compared to neutral resolvers.