Domains with DNS TXT v=spf1 include:_spf.mailersend.net include:_spf4.pcextreme.nl include:sendersrv.com include:_spf6.pcextreme.nl ~all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.mailersend.net include:_spf4.pcextreme.nl include:sendersrv.com include:_spf6.pcextreme.nl ~all.