toolsko

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DNS Lookup (A, MX, TXT, CNAME…)

Check any domain’s DNS records and compare Cloudflare vs Google to see if changes have spread.

Tool inputs stay in your browser · optional AI search sends your query

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Good to know: DNS is the internet’s phone book: it turns names like toolsko.com into addresses.

How to use it (step by step)

  1. 1Type a domain name (like toolsko.com).
  2. 2Pick the record type: A = website address, MX = email, TXT = verification and email security, CNAME = alias.
  3. 3Press Look up DNS. Tick “Also ask Google DNS” to check whether a recent change has spread everywhere.

Words to know

DNS
The internet’s phone book: it turns names like google.com into IP addresses computers can use.
DNS records (A, MX, TXT, CNAME)
Lines in a domain’s DNS. A = website address, MX = where email goes, TXT = notes used for verification and email security, CNAME = a nickname that points to another name.
Propagation
The time it takes for a DNS change to reach every network. It can take minutes to a day because of TTL.

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