Catch ALL Setup

[Mark Andrews]

In message <1234976434.12081.26.camel at d410-heron>, "Niall O'Reilly" writes:
> On Wed, 2009-02-18 at 16:19 +1100, Mark Andrews wrote:
> > 
> > $ORIGIN .
> > @ 0 SOA ...
> > @ 0 NS ...
> > * 0 A 1.2.3.4
> 
> 	That may be too minimal.
> 	I found I needed a few couple of extra wildcard records.
> 
> $ORIGIN .
> @		IN	SOA	. bit-bucket.ucd.ie. (
> 				2009021302	; serial
> 				14400		; Refresh - 4 hours 
> 				7200		; Retry - 2 hours
> 				1209600		; Expire - 14 days
> 				1800 )		; Neg. Caching - 30 minutes
> ;
> @		IN	NS	captive.ucd.ie.
> ;
> ; Over-ride wildcard for captive.ucd.ie
> captive.ucd.ie. IN	TXT	"Unaddressable"
> ;
> ; Target for all name resolution
> netreg.ucd.ie.	IN	A	137.43.116.32
> ;
> ; Wildcard alias
> *		IN	CNAME	netreg.ucd.ie.
> ;
> ; Wildcards otherwise masked by empty non-terminals
> *.ie.		IN	CNAME	netreg.ucd.ie.
> *.ucd.ie.	IN	CNAME	netreg.ucd.ie.
> 
> 	/Niall

	Well if you want to go to such a complicated setup then yes
	you need to add the extra wildcards.  You also need to add
	additional address records which you are missing for "ie"
	and "ucd.ie".

	The OP said that *everything* had to resolve to the one
	address.  Everything includes the nameserver.  The only
	thing that doesn't resolve is the root and I think one can
	get by without that resolving to a address.

	Mark

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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: Mark_Andrews at isc.org