Port 53 seems to be blocked by ISP - is there a way to override this?
My ISP seems to be blocking Port 53 if it is not connecting to one of its DNS servers. I was able to prove this through nslookup tests. Here are my tests:
C:\Users\admin>nslookup google.com
Server: UnKnown
Address: 10.198.220.124
Non-authoritative answer:
Name: google.com
Addresses: 2404:6800:4008:c01::64
120.28.26.34
120.28.26.45
120.28.26.39
120.28.26.50
120.28.26.35
120.28.26.55
120.28.26.59
120.28.26.49
120.28.26.24
120.28.26.20
120.28.26.40
120.28.26.30
120.28.26.29
120.28.26.54
120.28.26.25
120.28.26.44
C:\Users\admin>ping 8.8.8.8
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=1974ms TTL=40
Reply from 8.8.8.8: bytes=32 time=1213ms TTL=40
Reply from 8.8.8.8: bytes=32 time=165ms TTL=40
Reply from 8.8.8.8: bytes=32 time=172ms TTL=40
Ping statistics for 8.8.8.8:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 165ms, Maximum = 1974ms, Average = 881ms
C:\Users\admin>nslookup google.com 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
Server: UnKnown
Address: 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
C:\Users\admin>tracert -d 8.8.8.8
Tracing route to 8.8.8.8 over a maximum of 30 hops
1 2 ms 2 ms 2 ms 192.168.43.1
2 132 ms 407 ms 139 ms 10.188.8.118
3 111 ms 156 ms 127 ms 10.188.8.117
4 121 ms 136 ms 146 ms 10.163.143.114
5 129 ms 137 ms 139 ms 10.163.143.164
6 141 ms 151 ms 155 ms 10.163.143.164
7 126 ms 137 ms 138 ms 10.163.143.114
8 129 ms 139 ms 138 ms 10.163.143.124
9 133 ms 138 ms 138 ms 10.198.182.117
10 130 ms 137 ms 138 ms 10.198.182.138
11 233 ms 137 ms 137 ms 10.198.183.6
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 201 ms 219 ms 179 ms 72.14.223.161
18 * * * Request timed out.
19 * * * Request timed out.
20 * * * Request timed out.
21 * * * Request timed out.
22 148 ms 157 ms 158 ms 8.8.8.8
Trace complete.
My ISP's DNS servers are slow and intermittent. Is there a way to override this? Is it possible to maybe set a DNS server that runs on a different port? Are public DNS servers like OpenDNS and Google Public DNS running these services on other ports?
My ISP seems to be blocking Port 53 if it is not connecting to one of its DNS servers. I was able to prove this through nslookup tests. Here are my tests:
C:\Users\admin>nslookup google.com
Server: UnKnown
Address: 10.198.220.124
Non-authoritative answer:
Name: google.com
Addresses: 2404:6800:4008:c01::64
120.28.26.34
120.28.26.45
120.28.26.39
120.28.26.50
120.28.26.35
120.28.26.55
120.28.26.59
120.28.26.49
120.28.26.24
120.28.26.20
120.28.26.40
120.28.26.30
120.28.26.29
120.28.26.54
120.28.26.25
120.28.26.44
C:\Users\admin>ping 8.8.8.8
Pinging 8.8.8.8 with 32 bytes of data:
Reply from 8.8.8.8: bytes=32 time=1974ms TTL=40
Reply from 8.8.8.8: bytes=32 time=1213ms TTL=40
Reply from 8.8.8.8: bytes=32 time=165ms TTL=40
Reply from 8.8.8.8: bytes=32 time=172ms TTL=40
Ping statistics for 8.8.8.8:
Packets: Sent = 4, Received = 4, Lost = 0 (0% loss),
Approximate round trip times in milli-seconds:
Minimum = 165ms, Maximum = 1974ms, Average = 881ms
C:\Users\admin>nslookup google.com 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
Server: UnKnown
Address: 8.8.8.8
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
DNS request timed out.
timeout was 2 seconds.
*** Request to UnKnown timed-out
C:\Users\admin>tracert -d 8.8.8.8
Tracing route to 8.8.8.8 over a maximum of 30 hops
1 2 ms 2 ms 2 ms 192.168.43.1
2 132 ms 407 ms 139 ms 10.188.8.118
3 111 ms 156 ms 127 ms 10.188.8.117
4 121 ms 136 ms 146 ms 10.163.143.114
5 129 ms 137 ms 139 ms 10.163.143.164
6 141 ms 151 ms 155 ms 10.163.143.164
7 126 ms 137 ms 138 ms 10.163.143.114
8 129 ms 139 ms 138 ms 10.163.143.124
9 133 ms 138 ms 138 ms 10.198.182.117
10 130 ms 137 ms 138 ms 10.198.182.138
11 233 ms 137 ms 137 ms 10.198.183.6
12 * * * Request timed out.
13 * * * Request timed out.
14 * * * Request timed out.
15 * * * Request timed out.
16 * * * Request timed out.
17 201 ms 219 ms 179 ms 72.14.223.161
18 * * * Request timed out.
19 * * * Request timed out.
20 * * * Request timed out.
21 * * * Request timed out.
22 148 ms 157 ms 158 ms 8.8.8.8
Trace complete.
My ISP's DNS servers are slow and intermittent. Is there a way to override this? Is it possible to maybe set a DNS server that runs on a different port? Are public DNS servers like OpenDNS and Google Public DNS running these services on other ports?
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