Ignacio Bermudez Marco Mellia Maurizio M. Munafò Ram Keralapura Antonio Nucci DNS to the rescue: discerning content and services in a tangled web. 413-426 2012 Internet Measurement Conference https://doi.org/10.1145/2398776.2398819 conf/imc/2012 db/conf/imc/imc2012.html#BermudezMMKN12