host -t ns has no NS record
В чём магия -v?
% host -t ns foo.bar.tld ns.bar.tld
Using domain server:
Name: ns.bar.tld
Address: <IP ns.bar.tld>#53
Aliases:
foo.bar.tld has no NS record
% host -v -t ns foo.bar.tld ns.bar.tld
Trying "foo.bar.tld"
Using domain server:
Name: ns.bar.tld
Address: <IP ns.bar.tld>#53
Aliases:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 396
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 0
;; QUESTION SECTION:
;foo.bar.tld. IN NS
;; AUTHORITY SECTION:
foo.bar.tld. 86400 IN NS ns.foo.bar.tld.
Received 163 bytes from ns.bar.tld#53 in 10 ms
% host -t ns foo.bar.tld 1.1.1.1
Using domain server:
Name: 1.1.1.1
Address: 1.1.1.1#53
Aliases:
foo.bar.tld name server ns.foo.bar.tld.
--
sergio.
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