Microsoft
Domain verification
MS=ms36914306
Question and response
Question
dig nudns.com. TXT
Answer
nudns.com. 3600 TXT "v=spf1 include:spf.protection.outlook.com -all"
nudns.com. 3600 TXT "MS=ms36914306"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4096, xrcode 0, version 0, flags 0