Merge branch 'master' into glitch-soc/merge-upstream

app/validators/email_mx_validator.rb

@@ -24,6 +24,7 @@ class EmailMxValidator < ActiveModel::Validator
 
       ([domain] + hostnames).uniq.each do |hostname|
         ips.concat(dns.getresources(hostname, Resolv::DNS::Resource::IN::A).to_a.map { |e| e.address.to_s })
+        ips.concat(dns.getresources(hostname, Resolv::DNS::Resource::IN::AAAA).to_a.map { |e| e.address.to_s })
       end
     end