Domains with DNS TXT v=spf1 a mx a:vs2.phi-itservice.de include:_spf.firebasemail.com ~all

There is 1 domain that have DNS TXT set to v=spf1 a mx a:vs2.phi-itservice.de include:_spf.firebasemail.com ~all.

Top Domains with TXT set to v=spf1 a mx a:vs2.phi-itservice.de include:_spf.firebasemail.com ~all