If you wanted to find information about .txt files or DNS TXT records for other email providers (like Gmail or Yahoo), you could use -hotmail.com txt to hide any pages mentioning Hotmail.
Here’s what you need to know. In Google, Bing, or other search engines, the minus sign ( - ) acts as an exclusion operator . So a search for -hotmail.com txt would theoretically return results about "txt" files or "txt" records that are not related to Hotmail. -hotmail.com txt
In reality, this string combines two distinct concepts: and a DNS TXT record lookup for Hotmail (now Outlook.com) . If you wanted to find information about
However, this search is rarely useful because search engines ignore the dot ( . ) as a separator. A more accurate exclusion would be -hotmail -outlook txt . The more critical interpretation relates to DNS TXT records . When administrators run the command dig -t txt hotmail.com (or use nslookup -type=txt hotmail.com ), they see the domain’s TXT records. So a search for -hotmail
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