Search Again: Re: "Non-existent host/domain"? From: Len Conrad Date: Friday, October 4, 2002 Time: 7:34:37 am >I have and do prefer dig; however, nslookup seems to reflect the error >which befuddles some client machines ("Non-existent host/domain"). you're guessing, not demonstrating. >I posted a message to the QDNS list, where I think I found violation of >your excellent rule ["The PTR hostname and that hostname's A record must >match."], using the test you described. Take a look and tell me what you >think. # dig dns1.menandmice.com ; <<>> DiG 8.3 <<>> dns1.menandmice.com ;; res options: init recurs defnam dnsrch ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 0 ;; QUERY SECTION: ;; dns1.menandmice.com, type = A, class = IN ;; ANSWER SECTION: dns1.menandmice.com. 1D IN A 217.151.171.7 # dig -x 217.151.171.7 ; <<>> DiG 8.3 <<>> -x ;; res options: init recurs defnam dnsrch ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2 ;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 3, ADDITIONAL: 1 ;; QUERY SECTION: ;; 7.171.151.217.in-addr.arpa, type = ANY, class = IN ;; ANSWER SECTION: 7.171.151.217.in-addr.arpa. 23h39m21s IN PTR dns1.menandmice.com. 7.171.151.217.in-addr.arpa. 23h39m21s IN PTR maggie.menandmice.is. So, 50% of the time, they pass the test, 50% of the time they fail. (the physical order of the PTR records in the DNS response packets cycles and almost no applications use any PTR record after the first one) I only contract for Men&Mice training and consulting, I don't set up their DNS. :)) "the cobbler's children...." :)) Len

Messages In This Thread: "Non-existent host/domain"? by lshastings@mac.com on Oct 4, 2002 at 1:19:08 am Re: "Non-existent host/domain"? by Len Conrad on Oct 4, 2002 at 5:30:11 am Re: "Non-existent host/domain"? by Len Conrad on Oct 4, 2002 at 5:52:15 am Re: "Non-existent host/domain"? by lshastings@mac.com on Oct 4, 2002 at 6:15:06 am Re: "Non-existent host/domain"? by Len Conrad on Oct 4, 2002 at 6:40:16 am Re: "Non-existent host/domain"? by lshastings@mac.com on Oct 4, 2002 at 7:01:47 am Re: "Non-existent host/domain"? by Len Conrad on Oct 4, 2002 at 7:13:22 am Re: "Non-existent host/domain"? by Len Conrad on Oct 4, 2002 at 7:34:37 am