Centea-online.be is a domain controlled by three domain name servers at g-net.be. Two of them are on the same IP network. Incoming mail...
Incoming mail for mail.anthonyveder.nl is handled by two mail servers at uu.net and anthonyveder.nl having a total of three IP numbers....
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At dnstree you can follow a delegation of a domain from the root-servers and down. Each step performed by a DNS resolver is displayed and explained
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