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What Is 4.2.2.1 & 4.2.2.2

what is 4.2.2.1 & 4.2.2.2 Discussion in 'Networking' started by seven, Sep 25, 2004. John O. Confirmed with nslookup, they will no longer return NXDOMAIN for bad dns names. Because of this, using the IP address is not always the best way to get to a website.

share|improve this answer answered Jan 29 '14 at 18:23 Bigbio2002 3,43911527 2 4.2.2.2 is also useful for network debugging, namely an easy to remember IP that responds to pings. Don't ask us how to subnet. Here's the WHOIS entry associated with one of them: 4.2.2.1 OrgName: Level 3 Communications, Inc. It is a DNS server operated by Verizon.

what is it used for? permalinkembedsaveparentgive gold[–]asdlkf -2 points-1 points0 points 1 year ago(0 children)use opendns. Google now has established public DNS servers at 8.8.8.8 which you should use. 8.8.4.4 can additionally be used, but 8.8.8.8 is pretty easy. :-) I'll back this up by saying that pretty boring stuff.

However, Google only provides 8.8.8.8 and 8.8.4.4, so who provides 4.2.2.2? To get a detailed report its a modest payment. Seriously - there's no business address or even a creator's name on that site. This IP space is currently run by Level 3 (headquartered just down the road from us in Broomfield), and actually is a large number of machines.

Google's Anycast has served me well. nameserver 4.2.2.1 nameserver 4.2.2.2 nameserver 4.2.2.3 nameserver 4.2.2.4 nameserver 4.2.2.5 nameserver 4.2.2.6 DNSFreePublic Related Articles HowTo : Get a List of All Sub-Domains of a Domain Name Setting Up Reverse DNS These machines are spread out over Level 3's network and your closest is located by a mechanism called "Anycast". http://superuser.com/questions/708777/if-google-provides-public-dns-8-8-8-8-and-8-8-4-4-who-provides-4-2-2-2 It's an easy to type and easy to remember address, which since 1998 has been a "beefy" DNS service responding to the public Internet.

Many CDNs use Anycast to give different IPs, based on who is close to you. You won't be able to vote or comment. 293031Level3 4.2.2.1/4.2.2.2 DNS servers redirecting to search page (self.networking)submitted 1 year ago by gorbilaxJNCIA, Sec+CE, A+CEAfter 10+ years of using the ol' faithful 4.2.2.1 and 4.2.2.2 resolvers Bottom line, if you want to find out more about someone, you should perform a background check. Let's monetize it!

Original vendor went out of business.4 · 7 comments SonicWall NSA3500 SSL Issue4 · 10 comments Need to make access to the SQL Server as fast as possible. Best case scenario they randomly go down one day, worst case scenario they suddenly start redirecting to malware or porn. Topics regarding senior-level networking career progression are permitted. Related 1spamming domain registrar with multiple host records, same IP1Setup my domain at Whois.com as nameservers for a Dedicated Server with Kloxo-2.co.za Nameserver issue3How can a domain name have no nameservers?0Changing

up vote 6 down vote favorite Does someone know who is the owner of the Nameserver 4.2.2.2 ? John Orthoefer says that it was done as part of the build-out for their ISP branch: BBN Planet. Several companies provide PUBLIC dns that anyone can use. Acknowledgements First of all, I want to make it clear that this story doesn't involve me.

Source(s): Years - TL Tracy L · 7 years ago 3 Thumbs up 0 Thumbs down Comment Add a comment Submit · just now Asker's rating Report Abuse I suspect you Thanks for your help! Before that the BBN primary DNS server was NIC.near.net (which "predates [planet] by 10 years"). This is called an "amplifier".

Unless you are a Level-3 customer, absolutely not. permalinkembedsaveparentgive gold[–]megagramCCDP, CCNP, CCNP Voice 1 point2 points3 points 11 months ago(0 children)Ehhhh....I also use Little Snitch and never see incoming connections from Google DNS. Professionals research & troubleshoot before they ask others for help.

Time to switch phone plans?

Style Default Style Contact Us Help Home Top RSS Terms and Rules Copyright © TechGuy, Inc. The PUBLIC DNS systems are very easy to use and can be used as a supplemental look up on any computer, or as the prime DNS servers. In this case the records do differ based on who asks, and the purpose is to cut latency to the actual target server. What is 4.2.2.2?

If you still want a free alternative, OpenDNS is decent but not exactly transparent to the user. It's also a compelling choice if you just need to send out a ping to see if you can reach the Internet, if you don't have IPs you already know like Genuity filed for bankruptcy in 2002 and was bought by Level 3. more stack exchange communities company blog Stack Exchange Inbox Reputation and Badges sign up log in tour help Tour Start here for a quick overview of the site Help Center Detailed

Can I turn off the alternate keyboards in Messages How can I achieve the Bernie Sanders 13% tax rate? Unless of course you don't use Level 3, in which case you shouldn't be using their resolvers anyway. John Orthoefer's NANOG post about why it was Anycast. The .2 IP was just latched onto because it just rolls off the keyboard easier, I suspect.

That was a year or so ago. This sub-reddit is dedicated to higher-level, more senior networking topics. /r/itcareerquestions /r/ccna and /r/ccent are all available for early-career discussions. Thread Status: Not open for further replies.