Whois and reverse dns lookup provided by robtex

DNS delegation of updated:


stepqueryauthservers,f,h,k,d,g,l,e,a,b,i,c,m).root-servers.net.,c,d,f,e,a).in-addr-servers.arpa. x.arin.net. z.arin.net. r.arin.net. arin.authdns.ripe.net. y.arin.net.,blackhole-1).iana.org.
We pick j.root-servers.net, one of the 13 root servers (1), and ask it about 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:
domain info api 42.1

RBL listing of graph

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