A DDoS attack may be the largest ever seen in cyberspace has turned into a cyber attack of epic proportions. Spamhaus, which blacklists spammers, was targeted after it blacklisted Cyberbunker, a Dutch company, as a source of spam. The attack reportedly affected millions of rank and file Internet users. The culprits are servers that act as resolvers for the Internet’s Domain Name System that takes plain language URLs and turns them into the numbers of an IP address.”]
Source: https://www.csoonline.com/article/2133139/spam-fighter–spammer-spat-becomes-massive-ddos-attack.html