Domains with DNS TXT v=spf1 include:_spf.relay.mailprotect.be include:_spf.sendtex-newsletter.com include:_spf.smtp.royalcrown.be -all
There is 1 domain that have DNS TXT set to v=spf1 include:_spf.relay.mailprotect.be include:_spf.sendtex-newsletter.com include:_spf.smtp.royalcrown.be -all.