[dns-operations] Tutanota DNS issues

[Stephane Bortzmeyer]

On Thu, Sep 17, 2020 at 12:11:09PM +0800,
 Amari CH <amari at maddoghost.com> wrote 
 a message of 17 lines which said:

> I have migrated the hosting service with them to other providers.
> 
> And their DNS query always returns SEVRFAIL:

I don't know for the old servers at IronDNS but the new ones at AWS
work and I get a proper answer for my DNS requests.