I assume you are referring to:
MX name validity The MX records that do not seem valid hostname:
mail.rstunlimited.company
This can cause problems
I deleted and recreated the MX record for rstunlimited.company from my DNS service (10:mail.rstunlimited.company), with mail.rstunlimited.company still pointing to the A record of 184.88.75.100. Intodns.com still produced the same warning as before.
There must be something else going on...or off.
MX name validity The MX records that do not seem valid hostname:
mail.rstunlimited.company
This can cause problems
I deleted and recreated the MX record for rstunlimited.company from my DNS service (10:mail.rstunlimited.company), with mail.rstunlimited.company still pointing to the A record of 184.88.75.100. Intodns.com still produced the same warning as before.
There must be something else going on...or off.