Maintained by: NLnet Labs

[Unbound-users] [Q] HINFO in signed zone results SERVFAIL, but NOERROR with BIND

Florian Weimer
Tue Jan 6 20:31:24 CET 2009

* W. C. A. Wijngaards:

> This is an interpretation problem in RFC4034 6.2(3).
> A workaround is to give your HINFO in lowercase:
> 	HINFO "vmware" "freebsd"
> Unbound lowercases all text in the rdata of HINFO records before
> verification.  Because that is what I believe RFC4034 6.2(3) means.

The two strings aren't DNS names (<domain-name>s), so they shouldn't
be lower-cased.  I don't know why RFC 4034 specifies HINFO, it seems a

How do you handle NAPTR?  As far as I understand RFC 4034, you should
downcase the replacement only.