Domains with DNS TXT v=spf1 ip4:193.33.128.135 include:_spf.tophost.ch include:relay.mailchannels.net a mx -all

There are 37 domains that have DNS TXT set to v=spf1 ip4:193.33.128.135 include:_spf.tophost.ch include:relay.mailchannels.net a mx -all. The top 37 records ordered by domain rank are listed below.