dns - Subdomain caching issue -

dns - Subdomain caching issue -

I use a subdomain abc.mysite.com to indicate a specific IP on another server Set up. I did this by creating the following A records: ABC300 and www xx.xxx.xx in www xxx.xxx.xx.xx at www. X. Abc 300 .xx

My host confirms it was done correctly, however (after 3 days) the domain still resolves intermittently. That is, sometimes it resolves the correct IP and I see the correct page and the second time that I see 404 error or a default website page from CPNL.

My host suggests that this is a caching issue and if I execute a flushday and clear my browser cache, it solves the problem but I am surprised about this That's why it repurchases.

Can anything be done on other servers? Or is it a matter of waiting for a while for the promotion?

I am sorry if the problem is not clear. It is not my character.

Before you made your change? I've seen 86,400 seconds (one day) and 604,800 (a week) as a general choice in the past (the important number is that TTL was set to before ), as it would tell How long the stale data is organized in the DNS cache.)

03:22

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