Domains with DNS TXT v=spf1 a mx include:_spf.mailer.twinfield.com include:smtp.gprs.t-mobile.nl ~all
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.mailer.twinfield.com include:smtp.gprs.t-mobile.nl ~all.
There is 1 domain that have DNS TXT set to v=spf1 a mx include:_spf.mailer.twinfield.com include:smtp.gprs.t-mobile.nl ~all.