DNS servers order changed.
Yesterday, I configured Hurricane Electric DNS as a slave for my domains. No problems with that, I got the domains properly configured, the transfers were ok, HE received notifications from the primary server, etc.
I left the domains working properly with NSone as primary and HE as slave. On my domain (checked several times with IntoDNS and SolveDNS):
The problem it's that this morning, checking my domains with IntoDNS and SolveDNS again, the DNS servers order for all my domain was:
The DNS queries were being answered by HE. In my domains, the server list order it's ok, with no changes. The domains are in different registrars.
Why? I didn't change anything.