The DNS was changed more than 48 hours ago. Following the original nameserver change, two servers indicated that the update had already been cached on their DNS after seven hours. The DNS update hasn’t, however, spread like it usually does in a few hours despite it being more than 48 hours old.
How long does it usually take for your DNS modifications to take effect globally?
In certain cases, it may require up to 72 hours for all servers to refresh their cached information. This delay can result from factors such as a lengthy TTL (Time To Live) or slow propagation by certain Internet Service Providers (ISPs).
Normally, it shouldn’t take this long. There could be a few reasons: Maybe the old info is clinging on at some servers due to a high setting or maybe some servers are slowpokes and update less often. Also, If you use a CDN, their cache might be holding onto the old version.
The update will get there eventually, but if you’re impatient, try contacting your domain registrar. They might have ways to speed things up on their end.
Even though it’s not ideal, DNS transmission delays do happen from time to time. If you do these things, you should be able to see how things are going and hopefully soon the update will be seen everywhere.