How to clear the DNS Cache

• When DNS name resolution is different
• When you want to initialize TTL

# rndc flushname SERVER1
# rndc flushname SERVER1.EXAMPLE.COM

If you are using nscd, you can clear the DNS cache with the nscd command.

# nscd -i hosts

If you are using nscd, you can clear the DNS cache with the nscd command.

# nscd -i hosts

DNS