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.
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
Valimail Support occasionally receives questions about advice on deliverability for specific marketing or general email tools. Domains that are at DMARC...
Thu, 10 Jun, 2021 at 7:13 AM
Summary A standard Valimail customer engagement requires that the customer point two DNS zones to Valimail, one for DKIM (e.g., _domainkey.example.com) and...
Thu, 9 Sep, 2021 at 10:41 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
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
If you previously received instructions to create an NS record in order to connect to Valimail Monitor, please refer to the following instructions instead: ...
Mon, 27 Jun, 2022 at 12:34 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
What happens if Valimail’s DNS service is unavailable If there is a problem with the Valimail platform it "fails open". This means that in the...
Tue, 26 Oct, 2021 at 10:27 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
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 Nov, 2021 at 5:31 PM