In article <[EMAIL PROTECTED]>, Matus UHLAR - fantomas <[EMAIL PROTECTED]> wrote:
> On 27.08.08 11:25, Justin Pryzby wrote: > > We have CIDR/29 reverse DNS delegated to us using the CNAME hack: > > > > > 109.216.80.206.in-addr.arpa is an alias for > > > 109.104-111.216.80.206.in-addr.arpa. > > > 109.104-111.216.80.206.in-addr.arpa domain name pointer > > > athena.norchemlab.com. > > > > Every day we get a few queries to our published nameservers not for the > > 109.104-111.216... record, but for the 109.216...directly. > [...] > > Is that due to some broken nameservers that can't handle the CNAME or a PTR > > with 6 components, a probe, or ?? > > looking at that record, you seem to redirect those records to the domain > 104-111.216.80.206.in-addr.arpa. that is not visible from the net. At least > authoritative nameservers for 216.80.206.in-addr.arpa. do not know anything > about that domain. That delegation is broken. You must configure NS records > for the 104-111.216.80.206.in-addr.arpa. domain to 216.80.206.in-addr.arpa. > zone for the delegation to work I see the delegation: ; <<>> DiG 9.4.2-P1 <<>> 104-111.216.80.206.in-addr.arpa ns @authns1.mpls.qwest.net +norec ;; global options: printcmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 61707 ;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0 ;; QUESTION SECTION: ;104-111.216.80.206.in-addr.arpa. IN NS ;; AUTHORITY SECTION: 104-111.216.80.206.in-addr.arpa. 43200 IN NS ns.norchemlab.com. 104-111.216.80.206.in-addr.arpa. 43200 IN NS ns1.norchemlab.com. -- Barry Margolin, [EMAIL PROTECTED] Arlington, MA *** PLEASE don't copy me on replies, I'll read them in the group ***
