January 2019
Beginner to intermediate
776 pages
19h 58m
English
book
Python Network Programming
by Abhishek Ratan, Eric Chou, Pradeeban Kathiravelu, Dr. M. O. Faruque Sarker
Content preview from Python Network Programming
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How it works...
When we input an invalid IP address, the resolving fails with the message, The DNS query name does not exist. It reports the reverse domain name ({reverse-IP}.in-addr.arpa) in the message as it could not resolve it to a valid address. If a valid address is found by dns.resolver.query(), it is returned. Pointer records (PTR) is used in resolving the IP address to its domain, as it maps a network interface (IP) to the host name.
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