Search Again: Re: No authority records From: qdns Date: Thursday, October 10, 2002 Time: 2:01:08 pm Am Donnerstag, 10.10.02 um 01:51 Uhr schrieb Men & Mice Support: > In the first case, you asked your server for a record that doesn't > exist, for a domain name that does exist (mountain.ch). In other > words, there is such a domain name, but it doesn't have a TXT record. > QuickDNS Server responded with 0 records in all three sections, > indicating that it knows authoritatively that there is no such record. > This is a correct and valid response. However, since it contains no > records, it is not cacheable. > > In the second case, you asked your server for information it didn't > have. So it asked one of our servers, in this case our ISP's > (BIND-based) server, and then returned that response. Once again, you > asked for a domain name that exists, but a record type that does not > exist. The server gave back a cacheable negative response, which is (I > believe) actually invalid - this response (as I recall) indicates that > there are no records of any kind named "menandmice.com" I can ask every dns-server, and it will not give me the SOA record for the zone of mountain.ch.. But the dns-server will give back, all SOA records on all other zones witch I tried. Why? Gruss Oliver > In situations where the query is for a domain name that doesn't exist, > an authoritative server may (optionally) return the SOA record for the > zone that would have contained this name in the authority section of > the response. This result is cacheable, and this is called "negative > caching". BIND 8 implements this behavior of returning negative > results.

Messages In This Thread: No authority records by qdns on Oct 9, 2002 at 1:32:34 am Re: No authority records by Len Conrad on Oct 9, 2002 at 3:29:17 am Re: No authority records by Len Conrad on Oct 9, 2002 at 6:14:49 am Re: No authority records by Men & Mice Support on Oct 9, 2002 at 4:54:24 pm Re: No authority records by qdns on Oct 10, 2002 at 2:01:08 pm Re: No authority records by Len Conrad on Oct 10, 2002 at 2:06:13 pm Re: No authority records by qdns on Oct 10, 2002 at 2:26:36 pm Re: No authority records by Global Homes Webmaster on Oct 10, 2002 at 2:36:29 pm Re: No authority records by Oliver Brodwolf on Oct 10, 2002 at 2:47:13 pm Re: No authority records by Men & Mice Support on Oct 10, 2002 at 5:39:25 pm Re: No authority records by Len Conrad on Oct 10, 2002 at 6:02:29 pm Re: No authority records by Mauro Ferrari on Oct 10, 2002 at 10:31:57 pm