Domains with DNS TXT v=spf1 a a:smtpout1.primerelay.net a:smtpout2.primerelay.net a:smtpout3.primerelay.net a:relay.primerelay.net a:mail.sielsystems.nl a:via.sielsystems.nl a:servicedesk.siel.nl a:relay.sielsystems.nl -all

There is 1 domain that have DNS TXT set to v=spf1 a a:smtpout1.primerelay.net a:smtpout2.primerelay.net a:smtpout3.primerelay.net a:relay.primerelay.net a:mail.sielsystems.nl a:via.sielsystems.nl a:servicedesk.siel.nl a:relay.sielsystems.nl -all.

We're currently tracking 392,869,100 DNS TXT records. Use our API to retrieve detailed information for DNS domains and records. Data is updated daily.