Исследование прямой зоны ciscomaster.ru

C:\>nslookup
*** Can't find server name for address 192.168.254.1: Non-existent domain
Default Server:  UnKnown
Address:  192.168.254.1

> server 8.8.8.8
Default Server:  google-public-dns-a.google.com
Address:  8.8.8.8

> set type=ns
> ru.
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Non-authoritative answer:
ru      nameserver = d.dns.ripn.net
ru      nameserver = e.dns.ripn.net
ru      nameserver = f.dns.ripn.net
ru      nameserver = b.dns.ripn.net
ru      nameserver = a.dns.ripn.net
> set type=a
> a.dns.ripn.net
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Non-authoritative answer:
Name:    a.dns.ripn.net
Address:  193.232.128.6

> server 193.232.128.6
Default Server:  a.dns.ripn.net
Address:  193.232.128.6

> set type=ns
> ciscomaster.ru
Server:  a.dns.ripn.net
Address:  193.232.128.6

ciscomaster.ru  nameserver = ns.masterhost.ru
ciscomaster.ru  nameserver = ns1.masterhost.ru
ciscomaster.ru  nameserver = ns2.masterhost.ru
ns.masterhost.ru        internet address = 217.16.20.15
ns.masterhost.ru        internet address = 217.16.20.16
ns.masterhost.ru        internet address = 217.16.20.20
ns.masterhost.ru        internet address = 217.16.20.30
ns1.masterhost.ru       internet address = 217.16.16.15
ns1.masterhost.ru       internet address = 217.16.16.16
ns1.masterhost.ru       internet address = 217.16.16.20
ns1.masterhost.ru       internet address = 217.16.16.30
ns2.masterhost.ru       internet address = 217.16.22.15
ns2.masterhost.ru       internet address = 217.16.22.16
ns2.masterhost.ru       internet address = 217.16.22.20
ns2.masterhost.ru       internet address = 217.16.22.30
ns.masterhost.ru        AAAA IPv6 address = 2a00:15f8:a000:10:1:1:0:53
ns1.masterhost.ru       AAAA IPv6 address = 2a00:15f8:a000:11:1:1:1:53
ns2.masterhost.ru       AAAA IPv6 address = 2a00:15f8:a000:12:1:1:2:53
> server 217.16.20.15
Default Server:  [217.16.20.15]
Address:  217.16.20.15

> set type=a
> www.ciscomaster.ru
Server:  [217.16.20.15]
Address:  217.16.20.15

Name:    www.ciscomaster.ru
Address:  195.112.100.134

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Исследование обратной зоны для 195.112.100.134

C:\>nslookup
*** Can't find server name for address 192.168.254.1: Non-existent domain
Default Server:  UnKnown
Address:  192.168.254.1

> server 8.8.8.8
Default Server:  google-public-dns-a.google.com
Address:  8.8.8.8

> set type=ns
> 195.in-addr.arpa
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Non-authoritative answer:
195.in-addr.arpa        nameserver = ns3.lacnic.net
195.in-addr.arpa        nameserver = ns3.afrinic.net
195.in-addr.arpa        nameserver = ns4.apnic.net
195.in-addr.arpa        nameserver = pri.authdns.ripe.net
195.in-addr.arpa        nameserver = sns-pb.isc.org
195.in-addr.arpa        nameserver = tinnie.arin.net
>
> 112.195.in-addr.arpa
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

195.in-addr.arpa
        primary name server = pri.authdns.ripe.net
        responsible mail addr = dns.ripe.net
        serial  = 1541559186
        refresh = 3600 (1 hour)
        retry   = 600 (10 mins)
        expire  = 864000 (10 days)
        default TTL = 3600 (1 hour)
> set type=a
> pri.authdns.ripe.net
Server:  google-public-dns-a.google.com
Address:  8.8.8.8

Non-authoritative answer:
Name:    pri.authdns.ripe.net
Address:  193.0.9.5

> server 193.0.9.5
Default Server:  pri.authdns.ripe.net
Address:  193.0.9.5

> 112.195.in-addr.arpa
Server:  pri.authdns.ripe.net
Address:  193.0.9.5

Name:    112.195.in-addr.arpa

> set typens
> set type=ns
> 112.195.in-addr.arpa
Server:  pri.authdns.ripe.net
Address:  193.0.9.5

195.in-addr.arpa
        primary name server = pri.authdns.ripe.net
        responsible mail addr = dns.ripe.net
        serial  = 1541559186
        refresh = 3600 (1 hour)
        retry   = 600 (10 mins)
        expire  = 864000 (10 days)
        default TTL = 3600 (1 hour)
> 195.in-addr.arpa
Server:  pri.authdns.ripe.net
Address:  193.0.9.5

195.in-addr.arpa        nameserver = ns3.lacnic.net
195.in-addr.arpa        nameserver = ns3.afrinic.net
195.in-addr.arpa        nameserver = ns4.apnic.net
195.in-addr.arpa        nameserver = pri.authdns.ripe.net
195.in-addr.arpa        nameserver = sns-pb.isc.org
195.in-addr.arpa        nameserver = tinnie.arin.net
> 100.112.195.in-addr.arpa
Server:  pri.authdns.ripe.net
Address:  193.0.9.5

100.112.195.in-addr.arpa        nameserver = ns.maxnet.ru
100.112.195.in-addr.arpa        nameserver = ns2.maxnet.ru
100.112.195.in-addr.arpa        nameserver = ns3.maxnet.ru
> set type=a
> ns.maxnet.ru
Server:  pri.authdns.ripe.net
Address:  193.0.9.5

*** pri.authdns.ripe.net can't find ns.maxnet.ru: Query refused
> server 8.8.8.8
8.8.in-addr.arpa        nameserver = ns1.level3.net
8.8.in-addr.arpa        nameserver = ns2.level3.net
Default Server:  [8.8.8.8]
Address:  8.8.8.8

> ns.maxnet.ru
Server:  [8.8.8.8]
Address:  8.8.8.8

Non-authoritative answer:
Name:    ns.maxnet.ru
Address:  5.23.96.239

> ns2.maxnet.ru
Server:  [8.8.8.8]
Address:  8.8.8.8

Non-authoritative answer:
Name:    ns2.maxnet.ru
Address:  195.112.96.18

> ns3.maxnet.ru
Server:  [8.8.8.8]
Address:  8.8.8.8

Non-authoritative answer:
Name:    ns3.maxnet.ru
Address:  195.112.96.18

> server 5.23.96.239
Default Server:  3dnow.ok40.net
Address:  5.23.96.239

> 134.100.112.195.in-addr.arpa
Server:  3dnow.ok40.net
Address:  5.23.96.239

Name:    134.100.112.195.in-addr.arpa

> 195.112.100.134
Server:  3dnow.ok40.net
Address:  5.23.96.239

Name:    makovaya.Obninsk.ru
Address:  195.112.100.134

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