How DNS works. What is a DNS resolver and a DNS resolution?
DNSimple
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2015-07-03
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via How DNS works
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There is a beam of light that is already underneath the ground, where is it going?
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Is is a long or short trip? Who knows?
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We know that the beam can travel horizontally as well as vertically. Data, data, data.
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The resolver inbox looks like a fax machine. This is so 1985 tech.RESOLVER INBOX
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The best way to represent the complex inside machinery of a fax machine: GRR, GRRRRESOLVER INBOXPEWGRRGRR
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Please don't drop the request. Don't break the chain. Never break a chain. Especially when it comes from the OS
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What kind of weight of paper is this? To make a TOC sound, you at least need a page of 900grTOC
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Can a server sleep? The answer yes. We all know this because of Heroku free tier
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A new request for me? A-W-E-S-O-M-E
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dnsimple.com? Sure thing!
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another.ninja donteat.me poolsarecool.net small.website datacenter.tours totally.gold zone.vision mini.golf
Checking my cache first...
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Not there!
How can I find this website?
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ROADTRIP
Let's ask the root!
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The resolver server is usually your ISP (Internet Service Provider). All resolvers must know one thing: where to locate the root server.
Resolver
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The root server knows where to locate the .COM TLD server. TLD stands for Top-Level Domain.
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Ladies and gentleman, welcome to flight R0XX to the root server. The weather is...
Not my kind of road trip!
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A few milliseconds later...
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Thank you for flying with us. We hope to welcome you on board again.
Finally!
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Oh boy! I hope root is here!
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Like an old school detective door. I like where this is goingR O O T
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RT
Who's there? What do you seek?
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Will the resolver find his way to dnsimple.com?
Find out in the next episode of how DNS works.
Next Episode
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