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@kyokuheki
Created July 11, 2017 12:58
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DNSのオンラインチェックツール ref: http://qiita.com/kyokuheki/items/8c8605bc142fc17d6800
# gem install dnstraverse
Fetching: dnsruby-1.52.gem (100%)
Fetching: dnstraverse-0.1.0.gem (100%)
Successfully installed dnsruby-1.52
Successfully installed dnstraverse-0.1.0
2 gems installed
Installing ri documentation for dnsruby-1.52...
Installing ri documentation for dnstraverse-0.1.0...
Installing RDoc documentation for dnsruby-1.52...
Installing RDoc documentation for dnstraverse-0.1.0...
# PATH=$PATH:/var/lib/gems/1.8/bin
# export PATH
# dnstraverse www.google.com
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