January 21 World Multi-site DNS resolution failure

Source: Internet
Author: User
Keywords DNS error Web site unreachable
Tags dns dns error dns resolution domain domain name domain names economic economic losses

Since January 21, 2014 around 15 o'clock in the afternoon, a large number of Internet domain names around the world DNS resolution at the same time there are problems, some well-known sites and all non-existent domain names, are the wrong resolution to point to 65.49.2.178, such a result of a large number of Web sites can not be accessed. According to the statistics, the incident affected more than hundreds of thousands of websites. caused huge economic losses, so far no organization has claimed responsibility for the incident!

Weibo summary

@ Zhang Likun Microblogging: A number of recursive servers (1.2.4.8, 8.8.8.8, 114.114.114.114) at the same time to a certain domain name resolution to the 65.49.2.178! first to exclude the dnspod problem, unexpectedly found L root directly reply a record. This problem is big! It's not GW's problem, it's the root domain server problem.

@ Capital with Jie: according to a large number of user feedback, from around 15:20, the country has a large range of DNS failures, including Weibo and many other sites are resolved to 65.49.2.178.

@ Wang _ Super fly: Looks like a big event happened? A large number of domain names (valid and invalid) are resolved to 65.49.2.178 ... Weird

@wis_: All domain names that are not properly accessed are pointed to 65.49.2.178.

@ has stopped medicine has given up treatment: domestic DNS all hung, many domain names are resolved as: 65.49.2.178 even QQ and 360 are also resolved into this IP

@ Some things on the Internet: A wide range of DNS failures across the country, with Google 8.8.8.8 have appeared unable to open the page.

@ Dead wood-linux Micro Boda://@aullik5: More than the last CN domain name was attacked worse things happen! No worst, only worse!//@ security treasure: All the domestic generic top-level domain names, including. com,. CN Part DNS resolution is contaminated, parsing to 65.49.2.178

Emergency response

At present, a large number of DNS errors, you can temporarily modify the Hosts file for access:

(Location of Hosts file: xp,2000,win7 etc systems in C:\windows\system32\drivers\etc\hosts folder, Windows 9x/me system in C:\Windows folder, Use Notepad to open this file.

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