Level 3 - Public DNS Server

4.2.2.2; O Endereço de DNS Milagroso que CURA INTERNET Uma vez que você precisa de DNS antes de poder usar qualquer coisa que não seja endereços IP na Internet, pode ser útil para testar ou configuração inicial. Antes do Google começar a fazer uso de seu serviço de DNS público em 8.8.8.8, o 4.2.2.2 já era normalmente muito rápido, muitas pessoas usaram como seu servidor DNS padrão. How to Change DNS on Your iPhone/iPad Easily Jun 02, 2020 4.2.2.2 and 4.2.2.1 Appear to be hosed at the moment

4.2.2.4 4.2.2.5 All are "public" DNS servers hosted by Verizon.net (although the rDNS for 4&5 indicate Genuity.net -- another incorrect PTR record. But -- the REAL reason for my comment is that users having entered any of these DNS servers on their systems MAY be an indication of:

A DNS server has a very powerful function in network topology. Please keep in mind that it might log your queries (which is a huge information leak). Further, not all of the DNS servers listed above return correct answers in any case. 4.2.2.2 to 4.2.2.4 are public DNS servers, with really easy to remember IPs. - Chris S Apr 15 '10 at 17:42. 4. I have never used this address even though I was aware of it. It always seemed like a bad idea to use abuse a public DNS server in this way. I wonder how much bandwidth per day is spend on simply responding to ICMP requests. 如果手动设置dns能够解决无法打开网页的问题，说明是本地的域名解析出现了问题。 建议联系您的电信运营商确认是否存在相关问题。 4.2.2.1和4.2.2.2是国外的dns服务器地址，因此会导致打开网页速度慢的问题。 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. I'm an idiot and have no clue. It keeps coming up in my firewall program and don't know if I should block it or not.

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

Aug 30, 2017 dns help - social.technet.microsoft.com Mar 07, 2011 تفاوت Root Hints و سرورهای 4.2.2.4 , 8.8.8 و . Jun 14, 2013