A short test in lookup-times on DNS records.

test.py

#!/usr/bin/python3

from socket import gethostbyname
from time import *
domains = ('cobra.com', 'tiger.com', 'ferrarri.com', 'amazon.com', 'thelongestdomainnameintheworldandthensomeandthensomemoreandmore.com', 'sockervadd.se')
for domain in domains:
	start = time()
	## This instructs the OS to do a DNS lookup.
	gethostbyname(domain)
	end = time()
	print(domain,'took',end-start,'seconds to lookup')

# == Results in:
# [torxed@archie ~]$ python test.py 
# cobra.com took 0.3517730236053467 seconds to lookup
# tiger.com took 0.43889451026916504 seconds to lookup
# ferrarri.com took 0.40071821212768555 seconds to lookup
# amazon.com took 0.1225285530090332 seconds to lookup
# thelongestdomainnameintheworldandthensomeandthensomemoreandmore.com took 1.157090425491333 seconds to lookup
# sockervadd.se took 0.11581301689147949 seconds to lookup