Extra question: is Server returned error NXDOMAIN, mitigating potential DNS violation DVE-2018-0001, retrying transaction with reduced feature level UDP, as pointed related?
https://www.linode.com/community/questions/17384/error-server-returned- error-nxdomain-mitigating-potential-dns-violation-dve-2018 -- You received this bug notification because you are a member of Ubuntu Touch seeded packages, which is subscribed to systemd in Ubuntu. https://bugs.launchpad.net/bugs/1822416 Title: resolve: do not hit CNAME or DNAME entry in NODATA cache Status in systemd package in Ubuntu: New Bug description: The question: DNS A record lookups fail to resolve due to cached CNAME NODATA lookups ... https://askubuntu.com/questions/1063462/18-04-server-systemd-resolve- returns-cached-cname-nodata-for-a-lookup Upstream at Github: Systemd issue 998 - Cached cname NODATA returned for A lookup ... https://github.com/systemd/systemd/issues/9833 Please patch ... https://github.com/systemd/systemd/commit/3740146a4cbd99883af79e375ee4836206dcea4e To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/systemd/+bug/1822416/+subscriptions -- Mailing list: https://launchpad.net/~touch-packages Post to : touch-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~touch-packages More help : https://help.launchpad.net/ListHelp
