How long does it take for DNS changes to propagate?

This depends on your TTL (time to live) setting in your DNS record.

This setting varies by nameserver and you can view the TTL by looking up the SOA record for your domain.
offers a good tool for this.

TTL is listed in seconds so divide by 60 to get the minutes then divide again by 60 to get the number of hours.

The ProHosterz default TTL is one day. That means any changes or modifications to your domain name will take one day to propagate throughout the entire internet. You can adjust your TTL if you plan on making changes quite often. If your lower to your TTL, it will put an increased load on the nameservers and could potentially increase the response time to end customers.

For example, if someone on the network were to view your website, AOL DNS resolvers would cache your domain name information for the term of the TTL and all future AOL users would use the local cached information for faster performance. If you lower your TTL to 5 minutes, your domain name information would propagate faster - but there would be little caching of your domain name information and DNS resolution would occur every five minutes making resolution a little longer. There is a performance/reward trade off for TTL settings.

Higher the setting - higher DNS performance due to local ISP caching

Lower the setting - lower DNS performance due to increased name resolution

  • 2 Users Found This Useful
Was this answer helpful?

Related Articles

What does serial / refresh / retry / expire / minimum / and TTL mean?

Caching and time to liveBecause of the huge volume of requests generated by a system like the...

DNS Overview - Resource Records

A record Section:Most records will be A records. This allows the greatest versatility in pointing...

Check for DNS recursion restrictions in Virtualmin

WARNING You have a local DNS server running but do not appear to have any recursion...

What factors affect DNS propagation time

When you update the DNS (Domain Name System) records in your domain name’s zone file, it can...

Wildcard DNS Entry + Wildcard Server Alias (Such as for WordPress MultiSite)

WordPress support documents state that you are required to add a wildcard entry for Apache in...