Date: Tue, 7 Jan 2003 21:36:29 -0500 (EST) From: Fuzzy <fuzzy@pooh.ASARian.org> To: JoeB <barbish@a1poweruser.com> Cc: FBSDQ <questions@FreeBSD.ORG> Subject: Re: dig command for reverse dsn check Message-ID: <Pine.BSF.4.44.0301072131190.97316-100000@pooh.ASARian.org> In-Reply-To: <MIEPLLIBMLEEABPDBIEGIEOFDCAA.barbish@a1poweruser.com>
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On Tue, 7 Jan 2003, JoeB wrote: > How do I check my ISP domain name to see if it's DNS server is > configured correctly for email reverse DNS lookup? I have used dig > isp-domain-name but I can not tell from what it displays what to look > for to verify it's configured correctly. The dig display is lacking > descriptive verbiage to identify what the information displayed means. > Can someone help me please. I'd use: dig -x ip.ad.dr.ess PTR [@name.server] the ANSWER SECTION shows what DNS thinks is the reverse name for that IP. dig -x 66.26.76.83 ptr ; <<>> DiG 8.3 <<>> -x ptr ;; res options: init recurs defnam dnsrch ;; got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2 ;; QUERY SECTION: ;; 83.76.26.66.in-addr.arpa, type = PTR, class = IN ;; ANSWER SECTION: 83.76.26.66.in-addr.arpa. 59m25s IN PTR rdu26-76-083.nc.rr.com. ;; AUTHORITY SECTION: 76.26.66.in-addr.arpa. 59m25s IN NS ns1.nc.rr.com. 76.26.66.in-addr.arpa. 59m25s IN NS ns2.nc.rr.com. ;; ADDITIONAL SECTION: ns1.nc.rr.com. 33m25s IN A 24.93.67.126 ns2.nc.rr.com. 33m25s IN A 24.93.67.127 ;; Total query time: 0 msec ;; FROM: pooh.ASARian.org to SERVER: default -- 127.0.0.1 ;; WHEN: Tue Jan 7 21:34:00 2003 ;; MSG SIZE sent: 42 rcvd: 146 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message
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