nsupdate cheat sheet

Basic Syntax:

1.) nsupdate -vv -k /etc/rndc.key {file} (must put ‘send’ at end of file)

2.) nsupdate -vv -k /etc/rndc.key

> update whatever

> send

Add A Record:

** It’s important to understand when you add/remove an A record to DNS, you need to add both a FORWARD, and a REVERSE DNS Entry

update add test8.domain.local. 600 A 192.168.1.198

update add 198.1.168.192.in-addr.arpa. 600 PTR test8.domain.local

Delete A Record:
update delete test7.domain.local a
update delete 199.1.168.192.in-addr.arpa. 600 PTR

Add CNAME Record:
update add filer1.domain.local 600 cname test11.domain.local.

Delete CNAME Record:
update delete filer1.domain.local 600 cname test11.domain.local.

Add MX Record:
update add domain.local 86400 MX 10 zimbra.domain.local

Delete MX Record:
update delete domain.local 86400 MX 10 zimbra.domain.local

Add TXT Record:
update add domain.local. 600 TXT “What the fudge?”

Delete TXT Record:
update delete domain.local. 600 TXT “What the fudge?”

Add SPF Record:
update add mail.domain.local. 10 IN TXT “v=spf1 ip4:192.168.1.0/24> -all”

Delete SPF Record:

update delete mail.domain.local. 10 IN TXT “v=spf1 ip4:192.168.1.0/24> -all”