Domains with DNS TXT v=spf1 ip4:103.104.196.50 include:_spf.webserver.sg +a +mx +include:relay.mailchannels.net -all
There is 1 domain that have DNS TXT set to v=spf1 ip4:103.104.196.50 include:_spf.webserver.sg +a +mx +include:relay.mailchannels.net -all.