How to check DNS for correctness?

A

allldo2020-05-14 18:02:40

Domain Name System

allldo, 2020-05-14 18:02:40

When loading the site, the initial connection is very long, 20 seconds. After this download, all pages are loaded instantly. I sin on DNS, I use vps from reg.ru. How to check specifically DNS for errors? As I understand it, the problem is that dns changes ip to a domain name, so it takes a long time to load

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3 answer(s)

A

allldo, 2020-05-16
@allldo

In general, the solution turned out to be nowhere simpler, I installed dns servers for vps servers from reg.ru ...

R

Roman Mirilaczvili, 2020-05-14
@2ord

Name resolution check from the router's DNS servers:
nslookup example.com
Google's DNS server check:
nslookup example.com 8.8.8.8
Is there a difference?
And now check how the connection to the site server works:
tracert example.com

V

Vitaly Karasik, 2020-05-15
@vitaly_il1

It is safer to check from the Internet to neutralize the problems of your client and ISP:
https://www.webpagetest.org/
https://gtmetrix.com/
etc.