How to update/add entry to dns

[Thayanidhi]

Hi,
I setup dns/bind on hp-ux 11.00 through sam.
How do I manually add entry to dns database?
Assume I need to add a MX record.

Thanks in advance

TT

[steven Burgess_2 · Accepted solution]

Hi

To update your primary server you first make or ammend the entry in the local hosts file, go to the directory where your parameter file exists , should be /etc/named.data

# hosts_to_named -f

[Oleg Zieaev_1]

Hello.

Information is stored under /etc/named.data.
Yes, you will need to add lines for IN PTR in db.XXX.XXX.XXX (your network).
ex:
hostA IN A 192.168.1.10

and IN A record in db.your_domain file.
10 IN PTR hostA.domain.com.

In case the box you add is a mail server, you will need IN MX record. And optional IN CNAME record (to create alias like mail for your host).
ex:
mail IN CNAME hostA
domain.com. IN MX 10 mail.domain.com

In order to run hosts_to_named you will need to update your /etc/hosts fist to put FQA for your hosts. Check man pages for hosts_to_named.
You can always run it from /etc/named.data/test directory as hosts_to_named creates files under current directory. This should give you idea what to expect in your files in case you want to add entry(s) manually.

Hope this helps.
0leg

[A. Clay Stephenson]

While the instructions about updating the files in /etc/named_data are correct there is a missing step. In these files there is a field called 'Serial' that must be increased before issueing the restart command.

[W.C. Epperson]

Regarding Oleg's example, it's not technically inoperable, but the RFCs strongly recommend against pointing an MX record at a CNAME. And be careful when updating the serial number--if you accidentally add a 0 (20020112601 instead of 2002112601), you'll be stuck with it because updates occur when the slave's serial is less than the master's.