WEB Basic Practice 2

tags: WEB Basic

Задание практической работы:

1) Запрос к корневому DNS-серверу:

Image Not Showing Possible Reasons
  • The image file may be corrupted
  • The server hosting the image is unavailable
  • The image path is incorrect
  • The image format is not supported
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2) DNS-запрос к серверам, отвечающим за ru-зону:

Image Not Showing Possible Reasons
  • The image file may be corrupted
  • The server hosting the image is unavailable
  • The image path is incorrect
  • The image format is not supported
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3) DNS-запрос, чтобы выяснить, сколько почтовых серверов у ptsecurity.com:

Image Not Showing Possible Reasons
  • The image file may be corrupted
  • The server hosting the image is unavailable
  • The image path is incorrect
  • The image format is not supported
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4) DNS-запрос, чтобы выяснить, какое имя сервера связано с IP адресом 77.88.8.7:

Image Not Showing Possible Reasons
  • The image file may be corrupted
  • The server hosting the image is unavailable
  • The image path is incorrect
  • The image format is not supported
Learn More →