sentora/sentora-installers — pull request #38 by MBlagui (2014-12-26 20:45:24+00:00)
Title: DNS TTL 1 week too high

Following
http://www.ripe.net/ripe/docs/ripe-203

Recommended is 2 days while it should be lower... So 1 day is good & would avoid issue when updating DNS. 1 week is too extreme.