DNS Server Issues in Macau
29 DNS servers in Macau with detected issues. These servers respond to probes but have problems that may affect usability.
Last updated: · All countries
Servers with issues
29 servers
| IP | ASN | Organization | Issue | Description | Reliability |
|---|---|---|---|---|---|
202.175.45.2
|
AS4609 | Companhia de Telecomunicacoes de Macau SARL | BAD_RESPONSE | Returns unexpected response codes | 90% |
202.175.82.179
|
AS4609 | Companhia de Telecomunicacoes de Macau SARL | BAD_RESPONSE | Returns unexpected response codes | 89% |
84.252.92.130
|
AS9009 | M247 Europe SRL | BAD_RESPONSE | Returns unexpected response codes | 77% |
161.64.5.17
|
AS7582 | University of Macau | BAD_RESPONSE | Returns unexpected response codes | 77% |
161.64.5.18
|
AS7582 | University of Macau | BAD_RESPONSE | Returns unexpected response codes | 77% |
161.64.198.3
|
AS7582 | University of Macau | BAD_RESPONSE | Returns unexpected response codes | 77% |
161.64.198.7
|
AS7582 | University of Macau | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.102.71
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.102.72
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.97.22
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.97.24
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.97.101
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.97.102
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.102.145
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.102.183
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.102.184
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.103.94
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.103.97
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.103.39
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.103.40
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.103.41
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
149.102.103.42
|
AS133613 | MTel telecommunication company ltd. | BAD_RESPONSE | Returns unexpected response codes | 77% |
103.233.189.64
|
AS4609 | Companhia de Telecomunicacoes de Macau SARL | BAD_RESPONSE | Returns unexpected response codes | 77% |
103.233.191.140
|
AS4609 | Companhia de Telecomunicacoes de Macau SARL | BAD_RESPONSE | Returns unexpected response codes | 77% |
202.86.145.235
|
AS4609 | Companhia de Telecomunicacoes de Macau SARL | BAD_RESPONSE | Returns unexpected response codes | 76% |
149.102.103.116
|
AS133613 | MTel telecommunication company ltd. | CENSORED | Censors or filters certain domains | 87% |
103.233.189.172
|
AS4609 | Companhia de Telecomunicacoes de Macau SARL | CENSORED | Censors or filters certain domains | 87% |
149.102.103.75
|
AS133613 | MTel telecommunication company ltd. | NX_HIJACK | Hijacks NXDOMAIN responses — redirects failed lookups | 77% |
122.100.129.57
|
AS4609 | Companhia de Telecomunicacoes de Macau SARL | 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.