Check out parallel-check which combines the same features and more.
A command line tool to query multiple DNS resolver and show there delay and if they answer.
After build execute the binary with all DNS servers that you want to request and give optionally a domain with -d. Stop with CTRL+C. For example:
./go-mdnsping -d example.com 8.8.8.8 8.8.4.4 208.67.222.222 208.67.220.220 208.67.222.220 208.67.220.222 127.0.0.1
DNS Server Success Errors Error % Last Average Best Worst - Queries
8.8.8.8 32 0 0.00% 4ms 4ms 3ms 16ms ..............................
8.8.4.4 32 0 0.00% 4ms 4ms 3ms 11ms ..............................
208.67.222.222 32 0 0.00% 3ms 4ms 3ms 8ms ..............................
208.67.220.220 32 0 0.00% 4ms 4ms 3ms 7ms ..............................
208.67.222.220 32 0 0.00% 4ms 4ms 3ms 5ms ..............................
208.67.220.222 32 0 0.00% 4ms 4ms 3ms 8ms ..............................
127.0.0.1 0 32 100.00% 0ms 0ms 0ms 7ms ??????????????????????????????
The tool has a help when you call it without arguments:
./go-mdnsping
Usage: ./go-mdnsping [-c <max count>] [-d <domain>] <dns resolver ip> [<dns resolver ip> ...]
This tool does query all given DNS servers and report the
answer delays and show a history of the last queries.
Arguments:
-c count
exit after sended count of DNS queries
-d domain
domain that should be queried (default "example.com")
-h show help
-help
show help
- Install go
- get this repo:
go get github.com/Anthrazz/go-mdnsping - build it:
cd ~/go/src/github.com/Anthrazz/go-mdnsping && go build