Everything in DNS is visible to everyone. Why are you worried about that? And no, you can only remove them, not hide them.
Cybersecurity
c/cybersecurity is a community centered on the cybersecurity and information security profession. You can come here to discuss news, post something interesting, or just chat with others.
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- Be respectful. Everyone should feel welcome here.
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Community Rules
- Idk, keep it semi-professional?
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- Rules will be added/redefined as necessary.
If you ask someone to hack your "friends" socials you're just going to get banned so don't do that.
Learn about hacking
Other security-related communities !databreaches@lemmy.zip !netsec@lemmy.world !cybersecurity@lemmy.capebreton.social !securitynews@infosec.pub !netsec@links.hackliberty.org !cybersecurity@infosec.pub !pulse_of_truth@infosec.pub
Notable mention to !cybersecuritymemes@lemmy.world
The txt entries are used to authenticate that you own the domain usually.
Email provider X asks to to put a random string of characters in the txt entry because that validates that you have ownership of the domain. Nobody can take that string and do anything with it, and nobody else can steal it by using the entry because service Y will ask for a different random string.
Thank you for clarificarion