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Nachfolgend finden Sie eine Reihe von Beispielen für das Arbeiten mit dem Diagnose-Tool dig.
Abfrage der Adresse zu einem Namen (Serveradresse aus resolv.conf)
# dig ts.fujitsu.com ; <<>> DiG 9.7.1 <<>> ts.fujitsu.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 27805 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;ts.fujitsu.com. IN A ;; ANSWER SECTION: ts.fujitsu.com. 86400 IN A 217.115.66.11 ;; Query time: 2 msec ;; SERVER: 123.123.123.123#53(123.123.123.123) ;; WHEN: Wed Nov 24 15:52:42 2010 ;; MSG SIZE rcvd: 48
Abfrage des Namens zu einer Adresse (Serveradresse aus resolv.conf)
# dig -x 217.115.66.11 ; <<>> DiG 9.7.1 <<>> -x 217.115.66.11 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47949 ;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;11.66.115.217.in-addr.arpa. IN PTR ;; ANSWER SECTION: 11.66.115.217.in-addr.arpa. 202 IN PTR ts.fujitsu.com. ;; Query time: 7 msec ;; SERVER: 123.123.123.123#53(123.123.123.123) ;; WHEN: Wed Nov 24 15:56:31 2010 ;; MSG SIZE rcvd: 72
Abfrage der Name Server einer DNS-Domaine (Serveradresse aus resolv.conf)
# dig ts.fujitsu.com ns ; <<>> DiG 9.7.1 <<>> ts.fujitsu.com ns ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 46920 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 5, AUTHORITY: 0, ADDITIONAL: 5 ;; QUESTION SECTION: ;ts.fujitsu.com. IN NS ;; ANSWER SECTION: ts.fujitsu.com. 86400 IN NS ns2.klute-thiemann.de. ts.fujitsu.com. 86400 IN NS ns3.klute-thiemann.de. ts.fujitsu.com. 86400 IN NS ns4.klute-thiemann.de. ts.fujitsu.com. 86400 IN NS ns1.ts.fujitsu.com. ts.fujitsu.com. 86400 IN NS ns1.klute-thiemann.de. ;; ADDITIONAL SECTION: ns2.klute-thiemann.de. 77674 IN A 82.139.223.161 ns3.klute-thiemann.de. 78837 IN A 81.92.4.138 ns4.klute-thiemann.de. 78837 IN A 217.160.130.182 ns1.ts.fujitsu.com. 86400 IN A 80.70.172.154 ns1.klute-thiemann.de. 77674 IN A 217.194.235.1 ;; Query time: 10 msec ;; SERVER: 123.123.123.123#53(123.123.123.123) ;; WHEN: Wed Nov 24 15:57:20 2010 ;; MSG SIZE rcvd: 219
Abfrage aller Einträge zu einem Namen (Serveradresse aus resolv.conf)
# dig ts.fujitsu.com any ; <<>> DiG 9.7.1 <<>> ts.fujitsu.com any ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 49007 ;; flags: qr aa rd ra; QUERY: 1, ANSWER: 11, AUTHORITY: 0, ADDITIONAL: 6 ;; QUESTION SECTION: ;ts.fujitsu.com. IN ANY ;; ANSWER SECTION: ts.fujitsu.com. 86400 IN A 217.115.66.11 ts.fujitsu.com. 86400 IN NS ns3.klute-thiemann.de. ts.fujitsu.com. 86400 IN NS ns4.klute-thiemann.de. ts.fujitsu.com. 86400 IN NS ns1.ts.fujitsu.com. ts.fujitsu.com. 86400 IN NS ns1.klute-thiemann.de. ts.fujitsu.com. 86400 IN NS ns2.klute-thiemann.de. ts.fujitsu.com. 900 IN SOA ns1.ts.fujitsu.com. dns.ts.fujitsu.com. 2373 86400 3600 777600 86400 ts.fujitsu.com. 86400 IN MX 50 dgate30.ts.fujitsu.com. ts.fujitsu.com. 86400 IN MX 10 dgate10.ts.fujitsu.com. ts.fujitsu.com. 86400 IN MX 10 dgate20.ts.fujitsu.com. ts.fujitsu.com. 86400 IN TXT "v=spf1 +mx include:spf.ts.fujitsu.com include:spf2.ts.fujitsu.com include:spf3.ts.fujitsu.com include:_spf.muc.ec-messenger.com ~all" ;; ADDITIONAL SECTION: ns3.klute-thiemann.de. 78792 IN A 81.92.4.138 ns4.klute-thiemann.de. 78792 IN A 217.160.130.182 ns1.ts.fujitsu.com. 86400 IN A 80.70.172.154 ns1.klute-thiemann.de. 77629 IN A 217.194.235.1 ns2.klute-thiemann.de. 77629 IN A 82.139.223.161 dgate30.ts.fujitsu.com. 86400 IN A 195.127.188.205 ;; Query time: 10 msec ;; SERVER: 123.123.123.123#53(123.123.123.123) ;; WHEN: Wed Nov 24 15:58:04 2010 ;; MSG SIZE rcvd: 508
Beispiel für einen Zonentransfer (mit Angabe einer expliziten Serveradresse)
# dig @123.123.123.123 mydom.de axfr ; <<>> DiG 9.7.1 <<>> @123.123.129.15 dom1.sq axfr ; (1 server found) ;; global options: +cmd mydom.de. 604800 IN SOA mydom-ns.mydom.de. root.mydom.de. 42 172800 1 4400 3628800 604800 mydom.de. 604800 IN MX 0 mx-host0.mydom.de. mydom.de. 604800 IN MX 1 mx-host1.mydom.de. mydom.de. 604800 IN MX 2 mx-host2.mydom.de. mydom.de. 604800 IN NS mydom-ns.mydom.de. mydom-ns.mydom.de. 604800 IN A 123.123.123.101 mydom1.mydom.de. 604800 IN NS mydom1-ns.mydom1.mydom.de. mydom1-ns.mydom1.mydom.de. 604800 IN A 123.123.123.102 mydom2.mydom.de. 604800 IN NS mydom2-ns.mydom2.mydom.de. mydom2-ns.mydom2.mydom.de. 604800 IN A 123.123.123.103 myhost.mydom.de. 604800 IN A 123.123.123.201 myhost.mydom.de. 604800 IN A 123.123.123.202 myhost.mydom.de. 604800 IN A 123.123.226.203 myhost.mydom.de. 604800 IN AAAA 3ffe:1:1000:2000:abc:abcd:abcd:abc1 myhost.mydom.de. 604800 IN AAAA 3ffe:1:1000:2000:abc:abcd:abcd:abc2 myhost.mydom.de. 604800 IN AAAA 3ffe:1:1001:3000:bcd:bcde:bcde:bcd2 myhost-alias.mydom.de. 604800 IN CNAME myhost.mydom.de. myhost1.mydom.de. 604800 IN A 123.123.123.201 myhost1-aaaa.mydom.de. 604800 IN AAAA 3ffe:1:1000:2000:abc:abcd:abcd:abc1 ... ... 3628800 604800 ;; Query time: 9 msec ;; SERVER: 123.123.129.15#53(123.123.129.15) ;; WHEN: Wed Nov 24 15:59:31 2010 ;; XFR size: 69 records (messages 1, bytes 2056)