New PDF release: DNS and BIND on IPv6: DNS for the Next-Generation Internet

By Cricket Liu

ISBN-10: 1449305199

ISBN-13: 9781449305192

If you are getting ready to roll out IPv6 in your community, this concise booklet presents the necessities you want to aid this protocol with DNS. you will learn the way DNS used to be prolonged to deal with IPv6 addresses, and the way you could configure a BIND identify server to run at the community. This ebook additionally positive aspects equipment for troubleshooting issues of IPv6 ahead- and reverse-mapping, and methods for supporting islands of IPv6 consumers speak with IPv4 assets.

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Extra resources for DNS and BIND on IPv6: DNS for the Next-Generation Internet

Sample text

If you’re really hell-bent on rewriting even those responses, you can use the breakdnssec substatement: dns64 64:ff9b://96 { break-dnssec yes; }; DNS64 and Reverse Mapping There’s one last detail of DNS64 worth mentioning: reverse mapping. If a client using a name server configured to perform DNS64 tries to reverse-map a synthesized IPv6 address, what happens? arpa). arpa. arpa. CNAME The result is exactly what you’d want: the synthesized IPv6 address reverse-maps to whichever domain name the embedded IPv4 address maps to!

Most people use nslookup’s interactive mode, which you can enter simply by typing nslookup: % nslookup > nslookup displays the > prompt in interactive mode. conf file and query the first name server listed in the file, or if no name server is specified, will try querying a name server on the local host, as the local resolver would. 1 Whoops. Look at the Address line. edu. edu Address: 2001:db8:cafe:1::1 Specifying the name server to query by domain name is a little dangerous, both because the name may not map to the address you expect (as in the example above) and because if you’re using a troubleshooting tool such as nslookup or dig, DNS is probably misbehaving anyway.

Arpa. IN PTR ... 36 | Chapter 5: Troubleshooting Then copy the owner name from the line below ;; QUESTION SECTION and paste it into your zone data file. Like nslookup, dig digs the abbreviated form of the IPv6 address. arpa.

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DNS and BIND on IPv6: DNS for the Next-Generation Internet by Cricket Liu


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