Nervous ISPs replace Chrome as strange consumers of DNS resources
ICANN reported that Chrome's problematic DNS polling, which generated 45 percent of root server traffic in 2020, has been resolved and reduced to one percent. However, ISPs now represent a new source of DNS resource overconsumption by routing every customer query to multiple DNS providers simultaneously, suggesting operational misunderstandings about infrastructure resilience.
Key points
- Chrome's DNS issue successfully reduced from 45% to 1% of traffic
- ISPs now primary source of excessive DNS queries
- ISPs sending queries to multiple providers redundantly
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