fix: translate unicode domain names to Punycode for compatibility with DNS (#2823)

Gemfile.lock

@@ -101,6 +101,7 @@ GEM
     date (3.3.4)
     deep_merge (1.2.2)
     diff-lcs (1.5.0)
+    domain_name (0.6.20240107)
     dotenv (3.0.2)
     dynamic_form (1.3.1)
       actionview (> 5.2.0)
@@ -334,6 +335,7 @@ DEPENDENCIES
   chronic
   coffee-rails (~> 5.0)
   database_cleaner
+  domain_name
   dotenv
   dynamic_form
   encrypto_signo