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| class SpfChecker | |
| Response = Struct.new(:correct, :spf_value, :message) | |
| def initialize(value) | |
| @value | |
| end | |
| def check(domain) | |
| result = Net::DNS::Resolver.start(domain, Net::DNS::TXT) | |
| values = result.each_mx.map(&:txt) | |
| Response.new( correct: values&.include?(VALID_VALUE), spf_value: values, message: message).freeze | |
| end | |
| end |
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