June 2019
Intermediate to advanced
328 pages
7h 27m
English
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Your Turn
These additional exercises will help you get more comfortable with the tools you used in this chapter.
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Who is the administrative contact for the wordpress.com domain?
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Which domain will need to be renewed first; heroku.com or google.com?
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How many IP addresses are associated with heroku.com?
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Who has more IP addresses associated with their domain: Facebook, Google, Twitter, Wikipedia, or Amazon?
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Which of the following IP addresses belongs to a Comcast cable subscriber? Which one of these belongs to Google?
- 4.2.2.1
- 137.28.1.17
- 24.23.51.253
- 45.23.51.32
- 8.8.8.8
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Use traceroute on a few of your favorite websites. What similarities do you see between each? What differences do you see?
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Use cURL to inspect the headers sent by the following sites. ...