dns flush nameserver issue

i have a domain that was hosted with company 'A'   i am now using a new company 'B' for hosting. i changed the nameserver, yesterday, i can do a whois and it looks fine. i did a check at pingdom and it shows the correct thumbnail.

so the problems is....

when i go to the site it shows company 'A' landing page, as if the site doesnt have a index page, a generic landing type page for a brand new domain..

BUT

if i go to the site on any other computer in the office it shows up like it should and no issues, so somehow this is related to my computer

things i tried

ipconfig /flushdns
removed all history...cookies...cache in all browsers on pc...

un-install all browsers and re-installed

install browser i have never even used before

i am using windows 10

any help would be great...thanks in advance
SHFLTDAsked:
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Muhammad BurhanManager I.T.Commented:
Check browser connection settings, may be a proxy or something redirecting you to your previous setup..
Also check https certificate, it should be signed and verified
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Jeremy WeisingerSenior Network Consultant / EngineerCommented:
Check your hosts file too.
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SHFLTDAuthor Commented:
i have tried 4 different browsers...1 was a new install i have never used....

no proxy's....

not sure how to check https cert???

host file looks ok
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Muhammad BurhanManager I.T.Commented:
Please ensure that the adapter configuration you entered is correct, cause as u mentioned that only your system is having the issue so its better to take review from the scratch..
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asavenerCommented:
Go to a working client and ping the site by name.

Then go to your machine and ping the site by name.

Same IP address or different IP address?

If same IP address ->  You're going through a proxy.  Do you have Fiddler or similar installed on your machine?

If different IP address ->  You need to figure out what's different about name resolution.  Run ipconfig /all on both machines and see if DNS server is set differently.
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