Created
October 10, 2008 01:55
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| require 'resolv' | |
| def ips_for(host) | |
| Resolv::DNS.open do |dns| | |
| ress = dns.getresources(host, Resolv::DNS::Resource::IN::A) | |
| ress.map { |r| r.address.to_s } | |
| end | |
| end | |
| puts ips_for('heroku.com').sort.first |
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