Can you please check ?SPF record lookup and validation for: mpdz.nl
SPF records are published in DNS as TXT records.
The TXT records found for your domain are:
v=spf1 include:zoho.com ~all
Checking to see if there is a valid SPF record.
Found v=spf1 record for mpdz.nl:
v=spf1 include:zoho.com ~all
evaluating...
SPF record passed validation test with pySPF (Python SPF library)!