Add a missing nil check around cname_to_domain_to_pages?

github · Sep 17, 2024 · 07ec091 · 07ec091
1 parent f44d1b8
commit 07ec091
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/lib/github-pages-health-check/domain.rb b/lib/github-pages-health-check/domain.rb
@@ -246,6 +246,7 @@ def cname_to_github_user_domain?
       # Check if the CNAME points to a Domain that points to pages
       # e.g. CNAME -> Domain -> Pages
       def cname_to_domain_to_pages?
+        return false unless dns?
         a_record_to_pages = dns.select { |d| d.type == Dnsruby::Types::A && d.name.to_s == host }.first
 
         return false unless a_record_to_pages && cname? && !cname_to_pages_dot_github_dot_com? && @www_cname