Round Robin DNS resolution to bypass IP rate limiting PoC

round_robin.rb

require 'resolv'

hostname = 'hiscore.runescape.com'
names = [ "The Orange", "SkyTeck", "Font", "iGlacor", "Tohru x", "Weir", "Parenthesis", "OneLegendKid", "Lekerashi", "Aus Zealand", "Lordofd70", "No Orion", "BadSmurF", "Dunder_miffl", "Stephen VII", "Jonnys D", "God H8s Bots", "Wey burn", "nabulsi", "Blur", "Man killa", "Titsicle", "Bedevere", "lilybele", "l Jigg l", "zabeey", "xRatonhnhake", "st drew", "Kre8tive", "He Belongs", "Sannse", "almostcomp", "IrishEIK", "Haydunn", "kouth sorea", "dark_king_I4", "Unheard pray", "Co Justin", "Chalder", "mihal80", "inburst21", "Slaye", "Mish", "Doctor Doak", "ttaM", "nova science", "Rrman of w48", "saylor", "minergoo", "jason 72", "Advokat", "Lofna", "Dissori", "R2h Guard", "Izobelle", "Eleanor Lamb", "Mischievio", "Dead Masterr", "Man killa", "iBryce", "Boo Bee", "Mattmann28", "xowen", "fdsatakanuva", "Steeve", "J T R9", "mercifull", "Randomjagged", "Samyuel", "Cassus", "Dyzt", "Melbshuffle", "Neo687", "Metabolizer", "S9 Gnit2", "Joe Longo", "3u0", "Xw0", "Saul", "Panzinat0r", "Armour X2", "Rhcp junkie", "Difekt", "mythzkidz", "Oisann", "a pvm noob", "devalue", "Drocius", "Shady", "Skull fire", "Speffzt", "MudCrap", "paladine", "Capdown", "Bat book", "Lord Adam", "mattzillla", "Legolas G", "Wced", "xV E S T Ax", "Boomer-One", "Hunter155", "Mr Sun Shine", "RedRascal", "Isolated", "Babeh Dwarf", "My Lumps", "DudesterXSOX", "Slothofury", "random4 lyf", "reschedule", "Krystn", "Creaturecarl", "zJakes", "OhMyGodaTree", "Zenaty", "Dudio678", "Veejay366", "Zm4", "AP Soccer", "anaxandra_v", "insanekill81", "Reviews", "Hawb", "Zi d", "W hitey", "Miss Becki", "monstermas22", "jason 72", "Heavy House", "burgenland", "barattikus", "Hwistle", "JamesBlunt", "Toriu Teni", "Joeu Teni", "kiddioo", "Lipuro", "H id", "Kevinsaurus", "lNathar", "File Hawk", "Starwolf", "damien jp", "GK_Microwave", "Elven_badass", "JLOD", "Nanner Nub", "aeversme", "My Antidote", "Gummy Buns", "Bobs Crusade", "Sly Davey", "cRainbowDash", "BrokenBurito", "Wrath Of Tyr", "Enixx_Rs", "night4life1", "Lightstone", "moerdred", "Nairb3423", "Slayerkid13", "Lady Eilie", "WhiteInferno", "Aaron Pls", "Bwett", "Tejax", "Skin Cells", "Burichan", "Juju Potion", "Avant", "Explain", "Repulsing", "thwing", "AuroraVids", "x dobs x", "A Bidoof", "of_secrets", "zooperman", "alantemonk", "Nativeguy", "GS Mason", "echezeaux", "Variseref", "Ninth_Legion", "nachoss", "My Trickster", "Lunchbag", "sun ce224", "spujika", "Magni Ha", "Slyp", "wangsness", "PantsuOnHead", "Censor Me", "Tayray8", "Nighteyes604", "OpusX", "Aoduen", "aru l0l"]

puts "=== Round Robin DNS Test ==="
puts "\nGrabbing IPs for #{hostname}:"

ips = Resolv.getaddresses hostname

ips.each do |ip|
  puts ip
end

ip_index = 0

puts "\nStarting with IP #{ip_index}: #{ips[ip_index]}..."
puts '#	Time	Result	RSN'

names.each_with_index do |name, i|
	start_ts = Time.now
	result = `curl http://hiscore.runescape.com/index_lite.ws -g -s -d player=#{name.downcase.gsub(' ', '_')} --resolve hiscore.runescape.com:80:#{ips[ip_index]}`
	end_ts = Time.now
	puts "#{i}	#{(end_ts-start_ts).to_i}s	#{result.length}	#{name}"
	if result.length == 0
		if ip_index < ips.length - 1
			ip_index += 1
		else
			ip_index = 0
		end
		puts "Empty result! Switching to IP #{ip_index}: #{ips[ip_index]}"
		redo
	end
end