Tag: DNS query

TTL and how to check TTL

DNS

TTL – Time to live is a value that signifies how long should the data be kept before discarding. It is commonly used in computers. In...

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What is a Recursive DNS server?

DNS

When you browse the internet, you don’t write IP addresses to go to the pages you want; you just write the domain. In the...

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DNS Tunneling attack – What is it, and how to protect ourselves?

DNS, Protection

DNS Tunneling attack turns the Domain Name System (DNS), a highly trusted and widely used system on the Internet, into a weapon for...

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