Whois and reverse dns lookup provided by robtex


DNS delegation of dns-external-master.amazon.com updated:


3dns-external-master.amazon.com.amazon.com.pdns6.ultradns.co.uk. ns4.p31.dynect.net. pdns1.ultradns.net. ns1.p31.dynect.net. ns2.p31.dynect.net. ns3.p31.dynect.net.
We pick g.root-servers.net, one of the 13 root servers (1), and ask it about dns-external-master.amazon.com and learn that com is delegated to 13 name servers (2), so we ask k.gtld-servers.net where we learn that amazon.com is delegated to six name servers, including pdns6.ultradns.co.uk (3), so we ask that one and get the following answer:

Authoritative answer

ANSWER for dns-external-master.amazon.com.
dns-external-master.amazon.com.900 A204.74.108.1 dns-external-master.amazon.com points to
AUTHORITATIVE for dns-external-master.amazon.com.
amazon.com.3600 NS pdns1.ultradns.net. amazon.com use pdns1.ultradns.net as name server.
3600 NS ns4.p31.dynect.net. amazon.com use ns4.p31.dynect.net as name server.
3600 NS ns3.p31.dynect.net. amazon.com use ns3.p31.dynect.net as name server.
3600 NS ns2.p31.dynect.net. amazon.com use ns2.p31.dynect.net as name server.
3600 NS ns1.p31.dynect.net. amazon.com use ns1.p31.dynect.net as name server.
3600 NS pdns6.ultradns.co.uk. amazon.com use pdns6.ultradns.co.uk as name server.

Related hostnames

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Whois amazon.com
Whois ultradns.net
Whois ultradns.co.uk
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deep analysis of: dns-external-master.amazon.com
domain info api amazon.com

RBL listing of dns-external-master.amazon.com
dns-external-master.amazon.com graph

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