Add #1808 to changelog

Author: mxsasha

Changelog.md

@@ -25,6 +25,9 @@ _Compared to the latest 1.10 release._
 - Updated unbound to fix an issue where
   [DNSSEC insecure targets could be flagged as bogus](https://github.com/internetstandards/Internet.nl/issues/1803)
   due to [unbound incorrectly returning a bogus EDE](https://github.com/NLnetLabs/unbound/issues/1293).
+- Fixed an issue where
+  [DMARC records were not always found](https://github.com/internetstandards/Internet.nl/issues/1808)
+  on CloudFlare name servers.
 - Added missing [CAA fields to API](https://github.com/internetstandards/Internet.nl/pull/1801).
 - Fixed [incomplete detection of insufficient or invalid CAA](https://github.com/internetstandards/Internet.nl/pull/1811)
   along with some improvements in UTF-8 handling.