host ist Teil von BIND.
host google.com
google.com has address 216.58.214.78 google.com has IPv6 address 2a00:1450:4001:811::200e google.com mail is handled by 50 alt4.aspmx.l.google.com. google.com mail is handled by 20 alt1.aspmx.l.google.com. google.com mail is handled by 30 alt2.aspmx.l.google.com. google.com mail is handled by 10 aspmx.l.google.com. google.com mail is handled by 40 alt3.aspmx.l.google.com.
host -a google.com
host -a google.com Trying "google.com" Trying "google.com" ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 19185 ;; flags: qr rd ra; QUERY: 1, ANSWER: 16, AUTHORITY: 0, ADDITIONAL: 0 ;; QUESTION SECTION: ;google.com. IN ANY ;; ANSWER SECTION: google.com. 43200 IN NS ns3.google.com. google.com. 600 IN MX 30 alt2.aspmx.l.google.com. google.com. 43200 IN NS ns1.google.com. google.com. 600 IN MX 50 alt4.aspmx.l.google.com. google.com. 600 IN MX 10 aspmx.l.google.com. google.com. 43200 IN CAA 0 issue "pki.goog" google.com. 43200 IN NS ns4.google.com. google.com. 43200 IN NS ns2.google.com. google.com. 300 IN AAAA 2a00:1450:4001:81b::200e google.com. 3600 IN TXT "v=spf1 include:_spf.google.com ~all" google.com. 600 IN MX 20 alt1.aspmx.l.google.com. google.com. 300 IN A 172.217.22.46 google.com. 60 IN SOA ns1.google.com. dns-admin.google.com. 200676080 900 900 1800 60 google.com. 3600 IN TXT "facebook-domain-verification=22rm551cu4k0ab0bxsw536tlds4h95" google.com. 300 IN TXT "docusign=05958488-4752-4ef2-95eb-aa7ba8a3bd0e" google.com. 600 IN MX 40 alt3.aspmx.l.google.com. Received 503 bytes from 192.168.2.1#53 in 196 ms
host -l it-grossniklaus.ch ns1.hosttech.ch
Trying "it-grossniklaus.ch" Using domain server: Name: ns1.hosttech.ch. Address: 82.220.34.231#53 Aliases: Host it-grossniklaus.ch not found: 5(REFUSED) ; Transfer failed.