fastDNS
What the hell is this? I discovered by chance that the impact of DNS on the network is extremely severe. So I thought, how to choose the best DNS pair?
What should I pay attention to?
- Use a different IP (VPN) to go out, need to run once and choose the best DNS to set up
- This version does not provide a test domain list for the time being. You can also create your own domain list that you frequently visit. The tool will help you calculate which DNS is optimal.
- The best DNS obtained by the same access list in different regions (regions) is different.
- By default, China’s DNS list is used for testing and filtering.
- By default, ping is not enabled for testing.
How use
vi yourDomainList.txt
go build -o fastDNS Main.go
./fastDNS -h
./fastDNS -f yourDomainList.txt
out like:
Top 5 DNS IP addresses: 2001
0 0.001001 223.6.6.232
1 0.035905 223.6.6.133
2 0.036049 223.5.5.124
3 0.036390 223.5.5.204
4 0.039645 223.6.6.81
next version
- Start a DNS server
- Monitor and record all domains (DNS) that your system makes requests for when testing the best DNS
- Automatically recalculate optimal DNS when your exit IP changes
- Caching DNS records for the fastest response to local DNS
- When responding to local DNS, the best result will be selected based on the current egress IP.