Changing the nameservers on your domain

To change the nameservers on your domain, log in to the control panel of the company where the domain is registered, open the domain's DNS or nameserver settings, replace the existing nameserver entries with the ones your host gave you, and save. The change then propagates across the internet over the next several hours. Below is the full process, what nameservers actually do, and how to verify the switch worked.

What nameservers do

Your domain has two separate parts that live in different places. The registration lives at your registrar (where you bought or transferred the domain). The DNS zone (the records that point your domain at a web server, mail server, and so on) lives on whatever nameservers the domain is delegated to. Nameservers are the authoritative source for your domain's records. When you change nameservers, you are telling the global DNS system: "stop asking the old servers about this domain, ask these new ones instead." Every A, MX, CNAME, and TXT record is then read from the new nameservers.

Before you start

Get the correct nameserver hostnames from your new host first. They usually come in pairs and look like ns1.examplehost.com and ns2.examplehost.com. ASEOHosting sends yours in your welcome email; if you cannot find it, open a ticket through our contact page. Also note that if your current nameservers already hold email (MX) or other records you rely on, moving nameservers means those records must exist on the new nameservers too, or that service will break. Recreate any custom records on the new host before switching.

Changing the nameservers step by step

1. Log in to the account at your domain registrar (the company you pay for the domain, not necessarily your web host).
2. Open the domain list and select the domain you want to change.
3. Find the section labeled Nameservers, DNS, or DNS Management.
4. Switch the setting from the default or "basic" nameservers to custom nameservers.
5. Delete the existing entries and enter the new ones exactly as provided, for example ns1.examplehost.com and ns2.examplehost.com. Enter both (or all) that your host gave you.
6. Click Save or Update.

That is the entire change at the registrar. You do not normally touch cPanel to change nameservers; cPanel manages the records once the domain is delegated to the host that runs it.

Propagation and DNS caching

Nameserver changes are not instant. Resolvers around the world cache delegation data, so the switch typically completes within a few hours and can take up to 24 to 48 hours in the worst case. During that window some visitors may reach the old server and some the new one. This is normal. Avoid making other DNS edits mid-propagation, and if you are also moving the site itself, keep the old server online until propagation finishes so no request 404s.

Verify the change

Once you have saved, confirm the delegation from a terminal:

dig NS yourdomain.com +short
nslookup -type=ns yourdomain.com

When the output lists your new nameservers, the delegation has taken effect for you. Because of caching, other networks may still show the old values for a while. You can then confirm the site resolves to the expected address with dig A yourdomain.com +short, which should return your server's IP. If you are on an ASEOHosting plan, this is where your dedicated Class C IP shows up, giving each site its own footprint rather than sharing an address with unrelated neighbors.

A note for SEO hosting users

Pointing a domain at a dedicated IP is about footprint control and clean separation between sites, not a direct ranking boost. Search engines do not reward the IP itself. What a dedicated address does is keep your site off a shared block with unrelated or low quality neighbors and make your hosting setup predictable. If you are consolidating a portfolio, review our multiple Class C IP hosting options, and see the DNS and IP management guides for record level walkthroughs.

If your nameservers still do not update after 48 hours, double check that you edited the domain at the correct registrar and that both nameserver hostnames were spelled correctly. For registrar side rules on delegation and transfers, ICANN documents the current transfer policy, and our team can confirm your exact nameserver values through our contact page.