diff --git a/dnsworker/lib/dnsworker/pushers/webdns.rb b/dnsworker/lib/dnsworker/pushers/webdns.rb
index 5c80a9e..881978f 100644
--- a/dnsworker/lib/dnsworker/pushers/webdns.rb
+++ b/dnsworker/lib/dnsworker/pushers/webdns.rb
@@ -1,23 +1,31 @@
 #!/usr/bin/env ruby
 require 'json'
 require 'rack/utils'
 
 class DNSWorker::Pushers::Webdns < DNSWorker::Pushers::Base
   def replace_ds(parent, zone, dss)
     query = Rack::Utils.build_nested_query(
       child: zone,
       parent: parent,
       ds: dss,
     )
 
     uri = URI(cfg.values_at('webdns_base', 'webdns_replace_ds').join % { query: query })
 
     Net::HTTP.start(uri.host, uri.port, use_ssl: uri.scheme == 'https') do |http|
       resp = http.request Net::HTTP::Put.new(uri.request_uri)
 
-      return false if resp.code != '200'
+      if resp.code != '200'
+        $stderr.puts "WebDNS returned #{resp.code}"
+        return false
+      end
+
+      body = JSON.parse(resp.body)
+      return true if body['ok']
+
+      $stderr.puts "WebDNS returned error '#{body['msg']}'"
     end
 
     true
   end
 end