Platform: https://racks.uninets.com
Lab Name: BIG-IP DNS
Access the full BIG-IP DNS Lab Guide here: BIG-IPDN Workbook
This article will provide a detailed overview of “Resolving Queries using Local BIND with ZoneRunner on F5 DNS”
Task* Create a new zone. * Verify the zone creation with Zone Runner. * Configure for a transfer of a zone.
Explanation:
BIG-IP F5DNS system ZoneRunner utility manages local BIND server configuration. F5 DNS ZoneRunner utility can be used to transfer existing zones and create new ones from remote DNS servers. You can add or modify resource records within a zone. Once the DNS zone is created in local BIND you can configure BIG-IP DNS to respond to DNS name resolution requests and zone transfers to other nameservers.
This section will provide configuration details for how to transfer F5 DNS zones.
Configuration:Primary Zone Configuration* Create a primary DNS zone as below
After you’re done, click on Finished.
A Record Configuration
Make an A record following the diagram.
After you’re done, click on Finished.
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Other A Records
Use the following information to create 5 additional A records.
NameTTLIP Addresswww.uninets.com.3010.10.17.100www.uninets.com.3010.10.17.101dns2.uninets.com.3010.10.X.54mail1.uninets.com.3010.10.X.60mail2.uninets.com.3010.10.X.61
NS Record Configuration
Below, create an NS record
Click on Finished
Configuration of MX Record
Below, create a MX record
Click on Finished
Configuration of CNAME Records
As below, create a CNAME Record
To verify the records you have created, go to DNS 8 zones: Zone Runner: Resource record List
Next, click on Search
The gui output above will list all records you have created
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Check out the zone database file.
Cd /var/named/config/namedb
Less db.external.uninets.com.
The commands above will verify records on CLI.
Verification:
Take the command prompt to the management PC, and then do the nslookup
First, check the server IP address. Next, do the NSLOOKUP
Port Lockdown Settings
Listeners will process DNS queries directed at port 53 but not zone transfers. To allow a zone transfer to occur, port 53, both UDP/TCP, must be available on 10.10.X.1.
Modify your BIG-IP DNS system’s self IP address 10.X.1 to allow zone transfers via UDP port 53 or TCP 53.
Next, click on Finished and leave the default state of rest.
Configuration of Secondary Zone
As below, create a Secondary DNS zone
Zone Transfer available from uninets1.com
Zone transfers from uninets1.com are allowed as follows
Go to uninets.com and allow zone-transfers to any of the below
Don’t worry, just leave it as it is and click on “Update”.
Now, verify that you can see the secondary area created on not
Go to the CLI and give more /var/named/config/named.confupon doing so you may find the uninets1.com in the configuration
The in-between output is omitted
We can still verify that the CLI configuration has created a zone.
To enroll in Big-IP DNS instructor-led training: visit – https://www.uninets.com/