Microsoft
Domain verification
MS=ms80750182
Question and response
Question
dig world-serv.net. TXT
Answer
world-serv.net. 300 TXT "MS=ms80750182"
world-serv.net. 300 TXT "v=spf1 ip4:159.112.246.164 ip4:159.112.246.163 ip4:166.78.68.101 ip4:166.78.68.102 ip4:69.72.33.17 ip4:69.20.0.0/17 include:relay.mailchannels.net -all"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 1232, xrcode 0, version 0, flags 0