nslookup на сервер провайдера, разрешаем адрес 192.168.1.1Server: ns0.isp.ru
Address: 1.2.3.4#53
1.1.168.192.in-addr.arpa canonical name = 1.0/28.1.168.192.in-addr.arpa.
1.0/28.1.168.192.in-addr.arpa name = ns.domain.ru.
1.0/28.1.168.192.in-addr.arpa name = mail.domain.ru.
nslookup на мой сервер, тот же адрес
Server: ns.domain.ru
Address: 192.168.1.1#53
Non-authoritative answer:
1.1.168.192.in-addr.arpa canonical name = 1.0/28.1.168.192.in-addr.arpa.
1.0/28.1.168.192.in-addr.arpa name = ns.domain.ru.
1.0/28.1.168.192.in-addr.arpa name = mail.domain.ru.
Authoritative answers can be found from:
0/28.1.168.192.in-addr.arpa nameserver = ns0.isp.ru.
0/28.1.168.192.in-addr.arpa nameserver = ns.domain.ru.
0/28.1.168.192.in-addr.arpa nameserver = ns1.isp.ru.
ns.domain.ru internet address = 192.168.1.1
ns0.isp.ru internet address = 1.2.3.4
ns1.isp.ru internet address = 1.2.3.5