Microsoft
Domain verification
MS=ms77109309
Question and response
Question
dig houfek.cz. TXT
Answer
houfek.cz. 3600 TXT "v=spf1 include:spf.protection.outlook.com -all"
houfek.cz. 3600 TXT "MS=ms77109309"
Authority
The response has no authority records.
Additional
. 0 OPT ; payload 4000, xrcode 0, version 0, flags 0