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Created November 7, 2016 01:49
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twitter.com DNS
$ dig +noal +ans -t ns twitter.com
twitter.com. 1616 IN NS d01-02.ns.twtrdns.net.
twitter.com. 1616 IN NS d01-01.ns.twtrdns.net.
twitter.com. 1616 IN NS ns1.p34.dynect.net.
twitter.com. 1616 IN NS r01-01.ns.twtrdns.net.
twitter.com. 1616 IN NS ns4.p34.dynect.net.
twitter.com. 1616 IN NS ns3.p34.dynect.net.
twitter.com. 1616 IN NS ns2.p34.dynect.net.
$ dig +short -t a d01-02.ns.twtrdns.net.
204.13.250.34
$ dig +short -t a d01-01.ns.twtrdns.net.
208.78.70.34
$ dig +short -t a r01-01.ns.twtrdns.net.
205.251.195.113
$ whois 204.13.250.34
NetRange: 204.13.248.0 - 204.13.251.255
CIDR: 204.13.248.0/22
NetName: DNSINC-1
Organization: Dynamic Network Services, Inc. (DNS-33)
$ whois 208.78.70.34
NetRange: 208.78.68.0 - 208.78.71.255
CIDR: 208.78.68.0/22
NetName: DNSINC-2
Organization: Dynamic Network Services, Inc. (DNS-33)
$ whois 205.251.195.113
NetRange: 205.251.192.0 - 205.251.255.255
CIDR: 205.251.192.0/18
NetName: AMAZON-05
Organization: Amazon.com, Inc. (AMAZON-4)
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