Module: Pre::Validators::Domain

Included in:
Pre::Validator
Defined in:
lib/pre/validators/domain.rb

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.expiry ⇒ Object 



6
7
8
 
# File 'lib/pre/validators/domain.rb', line 6

def self.expiry
  3600
end

Instance Method Details

#cache_key(key) ⇒ Object 



10
11
12
 
# File 'lib/pre/validators/domain.rb', line 10

def cache_key key
  "resolv_dns_result_#{key}"
end

#valid_domain?(resolution_provider = Resolv::DNS.new) ⇒ Boolean

Returns:

  • (Boolean) 


14
15
16
17
18
 
# File 'lib/pre/validators/domain.rb', line 14

def valid_domain?(resolution_provider = Resolv::DNS.new)
  cache_fetch cache_key(domain) do
    resolution_provider.getresources(domain, Resolv::DNS::Resource::IN::MX).any?
  end
end