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#!/usr/bin/env bash
while read iface; do
networksetup -setdnsservers "${iface}" 1.1.1.1 1.0.0.1 2606:4700:4700::1111 2606:4700:4700::1001
done < <(networksetup -listallnetworkservices | grep -v '*')
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
<title>Sign In with Auth0</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0" />
</head>
<body>
@font-face{font-family:FontAwesome;src:url(/rdesign/css/fonts/fontawesome-webfont.eot?v=4.0.3);src:url(/rdesign/css/fonts/fontawesome-webfont.eot?#iefix&v=4.0.3) format('embedded-opentype'),url(/rdesign/css/fonts/fontawesome-webfont.woff?v=4.0.3) format('woff'),url(/rdesign/css/fonts/fontawesome-webfont.ttf?v=4.0.3) format('truetype'),url(/rdesign/css/fonts/fontawesome-webfont.svg?v=4.0.3#fontawesomeregular) format('svg');font-weight:normal;font-style:normal}.fa{display:inline-block;font-family:FontAwesome;font-style:normal;font-weight:normal;line-height:1;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.fa-lg{font-size:1.33333333em;line-height:.75em;vertical-align:-15%}.fa-2x{font-size:2em}.fa-3x{font-size:3em}.fa-4x{font-size:4em}.fa-5x{font-size:5em}.fa-fw{width:1.28571429em;text-align:center}.fa-ul{padding-left:0;margin-left:2.14285714em;list-style-type:none}.fa-ul>li{position:relative}.fa-li{position:absolute;left:-2.14285714em;width:2.14285714em;top:.14285714em;text-align:center}.fa
<!DOCTYPE html>
<html amp4ads>
<head>
<script async custom-element="amp-accordion" src="https://cdn.ampproject.org/v0/amp-accordion-0.1.js"></script>
<script async custom-element="amp-analytics" src="https://cdn.ampproject.org/v0/amp-analytics-0.1.js"></script>
<script async custom-element="amp-anim" src="https://cdn.ampproject.org/v0/amp-anim-0.1.js"></script>
<script async custom-element="amp-audio" src="https://cdn.ampproject.org/v0/amp-audio-0.1.js"></script>
<script async custom-element="amp-carousel" src="https://cdn.ampproject.org/v0/amp-carousel-0.1.js"></script>
<script async custom-element="amp-fit-text" src="https://cdn.ampproject.org/v0/amp-fit-text-0.1.js"></script>
<script async custom-element="amp-font" src="https://cdn.ampproject.org/v0/amp-font-0.1.js"></script>
(metal) 01:35:49 root@4m9:~# unbound-control lookup argon-stack-1879049447.us-east-1.elb.amazonaws.com
The following name servers are used for lookup of argon-stack-1879049447.us-east-1.elb.amazonaws.com.
;rrset 33 8 0 2 0
argon-stack-1879049447.us-east-1.elb.amazonaws.com. 1773 IN NS ns-916.amazonaws.com.
argon-stack-1879049447.us-east-1.elb.amazonaws.com. 1773 IN NS ns-925.amazonaws.com.
argon-stack-1879049447.us-east-1.elb.amazonaws.com. 1773 IN NS ns-927.amazonaws.com.
argon-stack-1879049447.us-east-1.elb.amazonaws.com. 1773 IN NS ns-934.amazonaws.com.
argon-stack-1879049447.us-east-1.elb.amazonaws.com. 1773 IN NS ns-935.amazonaws.com.
argon-stack-1879049447.us-east-1.elb.amazonaws.com. 1773 IN NS ns-941.amazonaws.com.
argon-stack-1879049447.us-east-1.elb.amazonaws.com. 1773 IN NS ns-944.amazonaws.com.
#!/usr/bin/ruby
require "resolv"
RESOLV = Resolv::DNS.new
begin
ip = RESOLV.getaddresses('canary-cedar-1.herokuapp.com').first.to_s
print ip + "\n"
end while ip != ""
› dig argon-stack-1879049447.us-east-1.elb.amazonaws.com ns +trace
; <<>> DiG 9.8.5-P1 <<>> argon-stack-1879049447.us-east-1.elb.amazonaws.com ns +trace
;; global options: +cmd
. 16424 IN NS a.root-servers.net.
. 16424 IN NS b.root-servers.net.
. 16424 IN NS c.root-servers.net.
. 16424 IN NS d.root-servers.net.
. 16424 IN NS e.root-servers.net.
. 16424 IN NS f.root-servers.net.
@dknecht
dknecht / gist:6834915
Created October 5, 2013 00:15
one amazon NS gives back wrong NS
in dknecht/
› dig argon-stack-1879049447.us-east-1.elb.amazonaws.com ns @ns-925.amazonaws.com. +short
ns-925.amazon.com.
in dknecht/
› dig argon-stack-1879049447.us-east-1.elb.amazonaws.com ns @ns-927.amazonaws.com. +short
ns-927.amazon.com.
in dknecht/
› dig argon-stack-1879049447.us-east-1.elb.amazonaws.com ns @ns-934.amazonaws.com. +short
@dknecht
dknecht / gist:6834843
Created October 5, 2013 00:05
Two traces get two different NS.
› dig argon-stack-1879049447.us-east-1.elb.amazonaws.com ns +trace
; <<>> DiG 9.8.5-P1 <<>> argon-stack-1879049447.us-east-1.elb.amazonaws.com ns +trace
;; global options: +cmd
. 17205 IN NS a.root-servers.net.
. 17205 IN NS b.root-servers.net.
. 17205 IN NS c.root-servers.net.
. 17205 IN NS d.root-servers.net.
. 17205 IN NS e.root-servers.net.
. 17205 IN NS f.root-servers.net.