Modifying/Adding in the DNS server entry using shell script

Shell Programming and Scripting
1

Dear Experts.

I need to add/modify the entries in the DNS server and this has to be achieved using shell script and below is the requirement, could you please let me know if a shell script can be written for this task?

1. Log in to primary DNS server
2. Check /etc/named.conf if zone is already created (grep �i 10.0.11 named.conf)
     Eg: if want to add server 10.0.11.13 in to DNS
zone "11.0.10.in-addr.arpa" in {
type master;
file "db.10.0.11";
};
3. If zone is already there go to /var/named
4. Then add server entry in file db.10.0.11
EG: 13 IN PTR servername.fg.net. And modify the serial number to yyyymmdd as below highlighted. 
Suppose if entry is made on 20th November enter the serial number as 20111120
root@PDNS1A101 # cat db.10.0.99
$TTL 5h
;SOA rec
99.0.10. in-addr.arpa. IN SOA PDNS1A101.fg.net. root.PDNS1A101.fg.net. ( 20090101; serial number ( you should change to 20111120)
10800; refresh every 3 hours
10800; retry every 3 hours
604800; expire after a week
86400) ; TTL of 1 day
; Name Servers
99.0.10.in-addr.arpa. IN NS PDNS1A101.fg.net.
;Pointer records for 10.0.99
11 IN PTR PSPROA167.fg.net.
12 IN PTR PSPROD055.fg.net.
5. Add entry in db.fg.net (please change serial number here also)
6. Restart dns service -- svcadm restart dns/server
2

To answer your question bluntly: Yes, it's doable. Give it a try and post your approach and - possibly erroneous - results, and we will try to help. Although the named files' structures are no secrets, input and ouput samples would help as well.

3

As a hint, look into the nsupdate command.

4

Can someone help how to write a shell script for this requirement

5

This forum is for submitting anything to do with programming and shell script writing, but not for doing your job...
If you dont know how to write shell scripts, you should not post here but ask help in dummies forum

You wrote down the procedure of what is being asked, now write the script, and show us what you did and where you are having trouble, we will be glad to assist you in solving your issues