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→Gregory Masseau
===Milton Paiva Neto===
1. What is the version number of the installed BIND package?
'''bind94-9.4.2.2'''
2. What is bind tool called "named-checkconf" use for?
To check the configuration file for syntax errors.
3. What are the names of all the other tools in the bind package?
/usr/bin/dig
/usr/bin/host
/usr/bin/nslookup
/usr/bin/nsupdate
4. We have used the dig and nslookup bind utilities in this lab, what are the other two bind utilities and what are they for?
* Package bind - Berkeley Internet Name Domain (BIND) DNS (Domain Name System) server
/etc/logrotate.d/named - log file
/usr/sbin/dns-keygen
/usr/sbin/dnssec-keygen
/usr/sbin/dnssec-signzone
/usr/sbin/lwresd
/usr/sbin/named-bootconf
/usr/sbin/named-checkconf
/usr/sbin/named-checkzone
/usr/sbin/named-compilezone
/usr/sbin/rndc
/usr/sbin/rndc-confgen
* Package bind-chroot - A chroot runtime environment for the ISC BIND DNS server
5. What is the information provided by the "service named status" command?
version: 9.5.1-P2-RedHat-9.5.1-2.P2.fc10
number of zones: 19
debug level: 0
xfers running: 0
xfers deferred: 0
soa queries in progress: 0
query logging is ON
recursive clients: 0/0/1000
tcp clients: 0/100
server is up and running
named (pid 2113) is running...
6. Will the "version" statement in the "/etc/named.conf" file change the output of the "service named status" command?
No, it will not change.
7. The SOA resource record in a zone file contains 5 numbers, what is the usage of the last one?
This is how long a remote nameserver can cache negative responses about the zone, answers that say that a particular domain name or the type of data sought for a particular domain name doesn't exist.
===Gregory Masseau===
Forwarding:
The forwarding DNS may seem like an unusual option at first - it stores no records, and instead only forwards requests to a series of other DNS servers of which it is aware. In most cases, it is not a terribly useful option. There are a small number of cases, however, where it can be useful, such as where the local DNS server does not support recursion but a remote, forwarding DNS server does - in this case, using the forwarding DNS server can reduce the ammount of traffic across the network.
===Nestor CHAN===