Run each of the following lines, replacing yourdomain.com
and codehere
with your details:
now dns add yourdomain.com @ TXT google-site-verification=codehere
now dns add yourdomain.com @ MX ASPMX.L.GOOGLE.COM 1
now dns add yourdomain.com @ MX ALT1.ASPMX.L.GOOGLE.COM 5
now dns add yourdomain.com @ MX ALT2.ASPMX.L.GOOGLE.COM 5
now dns add yourdomain.com @ MX ALT3.ASPMX.L.GOOGLE.COM 10
now dns add yourdomain.com @ MX ALT4.ASPMX.L.GOOGLE.COM 10
Docs:
Following on from @oleole90's solution:
I had the same issue using the mx verification record provided by G Suite. (For some reason they want an MX record nowadays rather than a TXT)
Turns out it was the full-stop at the end of the hostname causing the error. Remove the dot and we're good.