See all details about IP 4.2.2.6. | PTR record is f.resolvers.level3.net. This IP is hosted by Level 3 Parent, LLC (AS3356) and located in the country United States.

DNS cache poisoning attack site.bl it pl - 2011-09-16 Level 3 Communications' public DNS servers 4.2.2.2-4.2.2.6 - 2012-05-24 Anyone know what this address is. What is a 4.2.2.2 DNS? - Quora The other two answers are excellent. 4.2.2.2 is not so much a server as a IP address of a DNS server. as has been said, it belongs to Level 3, and is part of the block of IP addresses that belongs to Level 3. It was registered Dec 1, 1992, so i Level 3 - Public DNS Server 209.244.0.4 The free DNS servers listed above as Level 3 will automatically route to the nearest DNS server operated by Level 3 Communications, the company that provides most of the ISPs in the US their access to the internet backbone. 国内外优秀公共DNS测评及推荐 2018-9-4 · SDNS云服务的递归云解析(服务地址为1.2.4.8和210.2.4.8)旨在为用户提供高速、安全、智能的上网接入公共解析服务,是CNNIC与国内外电信运营商合作采用 BGP Global AnyCast 技术分布式部署的专业公共DNS平台,方便不同的地区的用户能就近访问,从而

Oct 22, 2008 · 4.2.2.1 and 4.2.2.4 are level 3 customer dns servers. Easily number in the hundreds. 8.8.8.8 is google which I couldn't even guess, but over a thousand is a conservative idea. I think that's off by an order of magnitude. Here's a list of locations Google has anycast servers on. It's unlikely they spread those broadcast domains beyond a single

The IP addresses for Level 3s public DNS servers are 4.2.2.1 through 4.2.2.6. These IPs are easy to remember but they've always been shrouded in a bit of a mystery. While they've been available for use by the public for almost 20 years now, it's not a service Level 3 officially has ever acknowledged or advertised.

what exactly is 4.2.2.2 DNS? what is it used for? | Yahoo 2010-3-10 · 4.2.2.2 isn t a public DNS, it is a private DNS for official use by "Level 3" customers only. It was just an easy number to remember before 8.8.8.8 came along, and was more stable than most ISP DNS servers back in the day. 4.2.2.2: The story behind a DNS legend | Hacker News Your ISP's DNS servers are the best choice for use as your DNS servers. In theory, yes. Your ISP is obligated to provide them, and they're probably very close on the network. In practice, I've seen shockingly slow DNS on fairly high-speed internet connections. Switching to 8.8.8.8 or 4.2.2.2 on those connections drastically improved web browsing.