News for hackers. Stuff that matters.

A comment on Every device with FB app is now DDoSing recursive DNS resolvers. Parent comment

Re:Every device with FB app is now DDoSing recursive DNS res... by junon on Monday October 04, 2021 @07:15PM (#28753597)
I would assume DNS providers were on call with FB staff to manually trigger flushes across the system to prop the records ASAP. Of course this doesn't affect client TTLs but resolution failures generally aren't cached anyway.
[ Parent | on HN ]
Re:Every device with FB app is now DDoSing recursive DNS res... by yourad_io on Monday October 04, 2021 @07:25PM (#28753673)
Speaking of flushing, today I learned that Google public DNS has an open "flush" function:

https://dns.google.com/cache

[ Parent | on HN ]
Re:Every device with FB app is now DDoSing recursive DNS res... by celsoazevedo on Monday October 04, 2021 @08:00PM (#28753946)
Cloudflare: https://1.1.1.1/purge-cache/

OpenDNS: https://cachecheck.opendns.com/

[ Parent | on HN ]
Re:Every device with FB app is now DDoSing recursive DNS res... by hamilyon2 on Monday October 04, 2021 @10:59PM (#28755037)
Dns providers are basically every ISP in existence, it would be impractical to communicate with by phone calls
[ Parent | on HN ]