June 2018
Intermediate to advanced
368 pages
11h 1m
English
Content preview from Managing Mission - Critical Domains and DNS
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The ADDITIONAL section
Finally, the ADDITIONAL section will provide references that have been deemed useful for completing the query. Details about nameserver glue records would be conveyed here:
;; ADDITIONAL SECTION: mx.easymail.ca. 300 IN A 64.68.200.59 dns1.easydns.com. 300 IN A 64.68.192.10 dns1.easydns.com. 300 IN AAAA 2400:cb00:2049:1::a29f:1835 dns2.easydns.net. 600 IN A 198.41.222.254 dns2.easydns.net. 600 IN AAAA 2400:cb00:2049:1::c629:defe dns3.easydns.org. 60 IN A 64.68.196.10 dns3.easydns.org. 360 IN AAAA 2620:49:3::10 dns4.easydns.info. 300 IN A 64.68.197.10 dns4.easydns.info. 300 IN AAAA 2620:49:4::10
Tech reviewer Matt Pounsett also adds the finer detail that "the OPT PSEUDOSECTION is a part of the ADDITIONAL data, but dig ...
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