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What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)?

Started bySHIVA PRASAD <shvprasad100@gmail.com>
First post2019-08-23 20:04 -0700
Last post2019-08-25 21:09 +0300
Articles 7 — 7 participants

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  What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)? SHIVA PRASAD <shvprasad100@gmail.com> - 2019-08-23 20:04 -0700
    Re: What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)? William Unruh <unruh@invalid.ca> - 2019-08-24 03:24 +0000
    Re: What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)? Grant Taylor <gtaylor@tnetconsulting.net> - 2019-08-23 21:55 -0600
    Re: What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)? shivarhel7 <shvprasad100@gmail.com> - 2019-08-23 22:54 -0700
      Re: What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)? "Carlos E.R." <robin_listas@es.invalid> - 2019-08-24 08:20 +0200
    Re: What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)? Marc Haber <mh+usenetspam1118@zugschl.us> - 2019-08-24 14:25 +0200
    Re: What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)? Tauno Voipio <tauno.voipio@notused.fi.invalid> - 2019-08-25 21:09 +0300

#4458 — What happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)?

FromSHIVA PRASAD <shvprasad100@gmail.com>
Date2019-08-23 20:04 -0700
SubjectWhat happens in background when we enter any URL(viz. lets say www.google.com) in any browser and press enter (how DNS works)?
Message-ID<ca44735b-7136-4a01-b2db-0dfc71616a86@googlegroups.com>
Hello All,

Anybody knows the answer. Please explain in detail.

Thanks & regards,
Shiva Linux

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#4459

FromWilliam Unruh <unruh@invalid.ca>
Date2019-08-24 03:24 +0000
Message-ID<qjqald$5c4$1@dont-email.me>
In reply to#4458
On 2019-08-24, SHIVA PRASAD <shvprasad100@gmail.com> wrote:
> Hello All,
>
> Anybody knows the answer. Please explain in detail.

I think maybe you should be a bit more specific in what you want. 
If you really want "specific" then go read the source code for some
opensource browser and see what it does. But I suspect tht is not what
you want. 
If what you want is to know how DNS works, that is a different question. 
The browser reads the stuff you typed in. If it looks like a network
address, it reads /etc/resolv.conf, find what the the first server
listed there is, and sends a packet to the dns port of that address which contins the 
name. The dns server sends back, if it can, an IP address assocated with
that address. Then the broser sends a packet to the http port of that
address. 

Is that specific enough? If not tell us what you want. 

>
> Thanks & regards,
> Shiva Linux

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#4461

FromGrant Taylor <gtaylor@tnetconsulting.net>
Date2019-08-23 21:55 -0600
Message-ID<qjqcko$25r$2@tncsrv09.home.tnetconsulting.net>
In reply to#4458
On 8/23/19 9:04 PM, SHIVA PRASAD wrote:
> Hello All,

Hi,

> Anybody knows the answer. Please explain in detail.

This sound suspiciously like you're asking an interview question.

Please start with what you think happens, and then we'll help you fill 
in the missing pieces.



-- 
Grant. . . .
unix || die

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#4462

Fromshivarhel7 <shvprasad100@gmail.com>
Date2019-08-23 22:54 -0700
Message-ID<653ed39a-1a53-4896-b1bc-c751d030262e@googlegroups.com>
In reply to#4458
On Saturday, 24 August 2019 08:34:56 UTC+5:30, shivarhel7  wrote:
> Hello All,
> 
> Anybody knows the answer. Please explain in detail.
> 
> Thanks & regards,
> Shiva Linux

> I mean how DNS works?

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#4463

From"Carlos E.R." <robin_listas@es.invalid>
Date2019-08-24 08:20 +0200
Message-ID<pi173g-744.ln1@Telcontar.valinor>
In reply to#4462
On 24/08/2019 07.54, shivarhel7 wrote:
> On Saturday, 24 August 2019 08:34:56 UTC+5:30, shivarhel7  wrote:
>> Hello All,
>>
>> Anybody knows the answer. Please explain in detail.
>>
>> Thanks & regards,
>> Shiva Linux
> 
>> I mean how DNS works?

Here:

<https://lmgtfy.com/?q=how+dns+works+step+by+step%3F>


If that is not clear enough, then:

<https://lmgtfy.com/?q=how+dns+works+step+by+step%3F&iie=1>

:-D


First hit here:

How does DNS work?

    Step 1: Request information. ...
    Step 2: Ask the recursive DNS servers. ...
    Step 3: Ask the root name servers. ...
    Step 4: Ask the TLD name servers. ...
    Step 5: Ask the authoritative DNS servers. ...
    Step 6: Retrieve the record. ...
    Step 7: Receive the answer.

9 ago. 2018
What is DNS (Domain Name Service)? | Dyn - Oracle Dyn

https://dyn.com › blog › dns-why-its-important-how-it-works


-- 
Cheers, Carlos.

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#4464

FromMarc Haber <mh+usenetspam1118@zugschl.us>
Date2019-08-24 14:25 +0200
Message-ID<qjrac0$vu1$1@news1.tnib.de>
In reply to#4458
SHIVA PRASAD <shvprasad100@gmail.com> wrote:
>Anybody knows the answer. Please explain in detail.

Kindly do your school assignments yourself.

-- 
-------------------------------------- !! No courtesy copies, please !! -----
Marc Haber         |   " Questions are the         | Mailadresse im Header
Mannheim, Germany  |     Beginning of Wisdom "     | 
Nordisch by Nature | Lt. Worf, TNG "Rightful Heir" | Fon: *49 621 72739834

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#4465

FromTauno Voipio <tauno.voipio@notused.fi.invalid>
Date2019-08-25 21:09 +0300
Message-ID<qjuito$jub$1@dont-email.me>
In reply to#4458
On 24.8.19 06:04, SHIVA PRASAD wrote:
> Hello All,
> 
> Anybody knows the answer. Please explain in detail.
> 
> Thanks & regards,
> Shiva Linux


There is a strong smell that it is time to turn
homeworks in in Hyderabad, India.

-- 

-TV

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