Whois and reverse dns lookup provided by robtex

172.16.42.1


DNS delegation of 172.16.42.1 updated:

Delegation

stepqueryauthservers
11.42.16.172.in-addr.arpa..(j,f,h,k,d,g,l,e,a,b,i,c,m).root-servers.net.
21.42.16.172.in-addr.arpa.in-addr.arpa.(b,c,d,f,e,a).in-addr-servers.arpa.
31.42.16.172.in-addr.arpa.172.in-addr.arpa.u.arin.net. x.arin.net. z.arin.net. r.arin.net. arin.authdns.ripe.net. y.arin.net.
41.42.16.172.in-addr.arpa.16.172.in-addr.arpa.(blackhole-2,blackhole-1).iana.org.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about 1.42.16.172.in-addr.arpa and learn that in-addr.arpa is delegated to six name servers (2), so we ask b.in-addr-servers.arpa where we learn that 172.in-addr.arpa is delegated to six name servers, including u.arin.net (3), so we ask that one and learn that 16.172.in-addr.arpa is delegated to two name servers (4), so we ask blackhole-2.iana.org and get the following answer:

Authoritative answer


Related hostnames


Whois ripe.net
Whois arin.net
Whois iana.org
Whois root-servers.net
Whois in-addr-servers.arpa


deep analysis of: 172.16.42.1
domain info api 42.1

RBL listing of 172.16.42.1
172.16.42.1 graph
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