Module: DnsChecker

Defined in:
lib/dns_checker.rb,
lib/dns_checker/domain.rb,
lib/dns_checker/version.rb,
lib/dns_checker/nameserver.rb

Defined Under Namespace

Classes: Domain, Nameserver

Constant Summary collapse

DNS = 
Resolv::DNS.new
VERSION = 
'0.3.0'

Class Method Summary collapse

Class Method Details

.on_our_nameservers?(domain_names:, nameservers:, groups: 25) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/dns_checker.rb', line 14

def self.on_our_nameservers?(domain_names:, nameservers:, groups: 25)
  nameserver_ips = nameservers.each_with_object(Set.new) do |ns_name, ips|
    Nameserver.new(name: ns_name).a_records.each { |a| ips << a }
  end
  threads = []
  result = {}
  domain_names.in_groups(groups, false) do |group|
    threads << Thread.new do
      domains = group.map { |g| Domain.new(g) }
      domains.each do |domain|
        result[domain] = domain.nameserver_ips.all? { |ip| nameserver_ips.include? ip }
      end
    end
  end
  threads.map(&:join)
  result
end