F

:

What technology is the backbone of the Internet?

A

:

Es antwortet Rothblatt, Martine, Lex Americana: The New International Legal Regime For Low Earth Orbit Satellite Communications Systems, Journal Of Space Law 1995, 123 (136 Fn. 55):
The Internet [...] operates over the worldwide telephone network.

F

:

The US-NIC tells on http://www.nic.us and in conformance with RFC 1480 that it is the registry for ".us" country code domains. Is that true?

A

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Es antwortet Engel, Christoph, The Internet and the Nation State, S. 3:
There is no national abbreviation ".us".

F

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May there be IP addresses without an associated domain name?

A

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Es antwortet Maher, Marcus, An Analysis of Internet Standardization, Virginia Journal of Law and Technology, Volume 3 (Spring 1998), para. 84:
Each Internet address has a domain name associated with.

F

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What exactly is a domain name ?

A

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Es antwortet Orange, Annette, Developments in the Domain Name System: For Better or for Worse?, 1999 (3), The Journal of Information, Law and Technology (JILT):
This is simply an Internet protocol address (e. g. 123.456.123.12) expressed in user-friendly form (e. g. abc.xyz) which identifies a computer site in the same way that a telephone number identifies a phone line in the global phone system.