Domains with DNS TXT v=spf1 mx a:smtp.arcos.de ip4:80.153.251.243 ip4:80.149.86.12 ip4:80.149.86.32 ip4:80.149.86.33 ip4:80.149.86.25 ip4:217.5.198.228 include:spf.hornetsecurity.com -all

There are 2 domains that have DNS TXT set to v=spf1 mx a:smtp.arcos.de ip4:80.153.251.243 ip4:80.149.86.12 ip4:80.149.86.32 ip4:80.149.86.33 ip4:80.149.86.25 ip4:217.5.198.228 include:spf.hornetsecurity.com -all. The top 2 records ordered by domain rank are listed below.

Top Domains with TXT set to v=spf1 mx a:smtp.arcos.de ip4:80.153.251.243 ip4:80.149.86.12 ip4:80.149.86.32 ip4:80.149.86.33 ip4:80.149.86.25 ip4:217.5.198.228 include:spf.hornetsecurity.com -all