Ich habe mal versucht mit host den Namen einer Domain die nicht geht von Hand aufzulösen.
PowerBook-G4:~ morjgus$ ping www.kraftwerk-dresden.de ping: cannot resolve www.kraftwerk-dresden.de: Unknown host PowerBook-G4:~ morjgus$ host -v www.kraftwerk-dresden.de Trying "www.kraftwerk-dresden.de" ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 45754 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 5
;; QUESTION SECTION: ;www.kraftwerk-dresden.de. IN A
;; AUTHORITY SECTION: de. 5976 IN NS l.de.net. de. 5976 IN NS s.de.net. de. 5976 IN NS z.nic.de. de. 5976 IN NS a.nic.de. de. 5976 IN NS c.de.net. de. 5976 IN NS f.nic.de.
;; ADDITIONAL SECTION: a.nic.de. 3161 IN A 193.0.7.3 c.de.net. 1940 IN A 208.48.81.43 f.nic.de. 1263 IN A 81.91.164.5 f.nic.de. 1776 IN AAAA 2001:608:6::5 s.de.net. 215 IN A 193.159.170.149
Received 240 bytes from 217.237.151.97#53 in 169 ms PowerBook-G4:~ morjgus$ host -v www.kraftwerk-dresden.de 193.0.7.3 Trying "www.kraftwerk-dresden.de" Using domain server: Name: 193.0.7.3 Address: 193.0.7.3#53 Aliases:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 35648 ;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 0
;; QUESTION SECTION: ;www.kraftwerk-dresden.de. IN A
;; AUTHORITY SECTION: kraftwerk-dresden.de. 86400 IN NS a1.wpns.hosteurope.de. kraftwerk-dresden.de. 86400 IN NS a1.wsns.hosteurope.de.
Received 97 bytes from 193.0.7.3#53 in 94 ms PowerBook-G4:~ morjgus$ host -v www.kraftwerk-dresden.de a1.wpns.hosteurope.de. Trying "www.kraftwerk-dresden.de" Using domain server: Name: a1.wpns.hosteurope.de. Address: 217.115.143.193#53 Aliases:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 12082 ;; flags: qr aa rd; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 0
;; QUESTION SECTION: ;www.kraftwerk-dresden.de. IN A
;; ANSWER SECTION: www.kraftwerk-dresden.de. 86400 IN A 81.169.166.172
;; AUTHORITY SECTION: kraftwerk-dresden.de. 259200 IN NS a1.wpns.hosteurope.de. kraftwerk-dresden.de. 259200 IN NS a1.wsns.hosteurope.de.
Received 113 bytes from 217.115.143.193#53 in 438 ms PowerBook-G4:~ morjgus$ ping 81.169.166.172 PING 81.169.166.172 (81.169.166.172): 56 data bytes 64 bytes from 81.169.166.172: icmp_seq=0 ttl=57 time=177.109 ms 64 bytes from 81.169.166.172: icmp_seq=1 ttl=57 time=57.455 ms 64 bytes from 81.169.166.172: icmp_seq=2 ttl=57 time=57.673 ms ^C --- 81.169.166.172 ping statistics --- 3 packets transmitted, 3 packets received, 0% packet loss round-trip min/avg/max/stddev = 57.455/97.412/177.109/56.354 ms
Nachdem ich mich von Server zu Server gehangelt habe, konnte ich die Adresse auflösen. Warum klappt das aber nicht automatisch?