Domain Industry Trivia Challenge
Test your knowledge of Internet history, high-stakes domain sales, sovereign ccTLD eccentricities, and DNS cryptography. Can you achieve a perfect 10/10 score to become a certified DNS Root Architect?
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Frequently Asked Questions
What is the oldest active domain name on the Internet?
symbolics.com is widely recognized as the first commercially registered .com domain, registered on March 15, 1985 by Symbolics Computer Corporation.
Why are there only 13 DNS root server letters?
The 13-server limit was dictated by RFC 1035 UDP packet sizing. An unfragmented DNS response over standard UDP had to fit within 512 bytes, accommodating exactly 13 IPv4 addresses and nameserver names.
How do single-letter .com domains work?
In December 1993, Jon Postel reserved unallocated single-letter domain names to prevent trademark disputes. Only six single-letter domains (q.com, x.com, z.com, i.net, q.net, x.org) had already been registered and grandfathered in.
Which ccTLD has generated the highest revenue relative to country GDP?
Anguilla (.ai) has generated tens of millions of dollars in registry royalties driven by global artificial intelligence demand, representing over 30% of government recurrent budget revenues.