March 2018
Intermediate to advanced
626 pages
17h 32m
English
book
Network Analysis Using Wireshark 2 Cookbook - Second Edition
by Nagendra Kumar Nainar, Yoram Orzach, Yogesh Ramdoss
Content preview from Network Analysis Using Wireshark 2 Cookbook - Second Edition
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A resource record
An A resource, also known as address record, is the resource record that stores the IPv4 address associated to the domain name. This is one of the most commonly seen records on the internet. More than one IP address may be associated with the same domain name for load balancing purposes. So it is common to see multiple A records in the DNS response packet.
Figure 13.5: A resource record
The preceding screenshot is a sample capture of an A record response with multiple IP addresses associated with the same domain name. In the preceding screenshot, 192.168.2.2 and 192.168.0.6 are associated with the hostname csr2.company1.com ...
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