DNS: The Single Source of Truth
The DNS database is a basic infrastructure of the internet, allowing systems to lookup records about each other and make trusted connections.
Hosting these records to help customers is the core of our business. Valimail does not host your entire DNS. We only host SPF, DKIM and DMARC records a...
Fri, 5 Mar, 2021 at 10:35 PM
What happens if Valimail's authentication service goes down? If there is a problem with the Valimail platform it "fails open". This means...
Wed, 17 Feb, 2021 at 3:44 PM
If you previously received instructions to instructions to create an NS record in order to connect to Valimail Monitor, please refer to the following instru...
Wed, 4 Sep, 2019 at 3:07 PM
The Domain Name System consists of domain names, as the name suggests. The DNS standards, as updated in RFC 2181, clarifies that there are only two restrict...
Mon, 6 Apr, 2020 at 11:18 AM
The Valimail DMARC and DKIM configuration are standard DNS delegations and are supported by any DNS server. Some DNS providers, typically those focussed on ...
Mon, 6 Apr, 2020 at 12:54 PM
All domains will have at least two DNS servers associated with the domain. Many domains will have more than two. The DNS data on all servers for a domain ne...
Tue, 21 Apr, 2020 at 9:37 AM
Many companies will configure their DNS to have multiple DNS Views. A DNS view is a copy of one or more DNS zones that is only accessible to a specified set...
Wed, 17 Feb, 2021 at 3:48 PM
When troubleshooting an issue with DNS, it is often helpful to understand what DNS servers are involved in resolving a query. Dig allows you to see this usi...
Tue, 21 Apr, 2020 at 9:45 AM