I'm using MXToolbox to run some tests on a couple of new sites and I seem to encounter the same 3 warnings each time I check :- Name Servers are on the Same Subnet - that is to be expected given the server setup as per the tutorial SOA Expire Value out of recommended range - I notice from a search of the forums that this seems to be a not uncommon issue with MXToolbox, is it a concern as I cant find anywhere in ISPConfig 3 to set SOA value? DMARC Syntax Invalid - record as below Code: Type: TXT Host/Name: _DMARC.polyoz.au Value: v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; rf=afrf:iodef; fo=1; pct=4; adkim=r; aspf=r
The Expire value of a DNS zone can be set in the DNS zone settings in ISPConfig. But the value ISPConfig is using works fine, so no need to alter it.