{"id":823,"date":"2010-11-16T19:15:52","date_gmt":"2010-11-16T18:15:52","guid":{"rendered":"https:\/\/www.uk-cheapest.co.uk\/support\/?p=823"},"modified":"2026-08-12T11:15:06","modified_gmt":"2026-08-12T10:15:06","slug":"changing-your-dns-a-mx-and-cname-records","status":"publish","type":"post","link":"https:\/\/www.uk-cheapest.co.uk\/support\/changing-your-dns-a-mx-and-cname-records\/","title":{"rendered":"How to Change DNS A, MX, CNAME and TXT Records"},"content":{"rendered":"

DNS management<\/p>

Change only the records supplied by the service you are connecting<\/h2>

DNS controls where your website and email are delivered.<\/strong> Record the existing values first and avoid replacing nameservers when a small record change is all that is required.<\/p>

A<\/span>Website address<\/strong>Points a name to an IPv4 address<\/small><\/article>
MX<\/span>Mail delivery<\/strong>Selects receiving mail servers<\/small><\/article>
CNAME<\/span>Name alias<\/strong>Points one hostname to another<\/small><\/article><\/div><\/section>

Choose the correct DNS manager<\/h2>

UKC parked domain<\/h3>

Open My Domains, choose the domain and use DNS Manager in the domain control centre.<\/p><\/article>

Shared hosting domain<\/h3>

Open Plesk, select Websites and Domains, then DNS Settings for the domain.<\/p><\/article><\/div>

Common record types<\/h2>
Type<\/th>Purpose<\/th>Typical value<\/th><\/tr><\/thead>
A<\/th>Website or service IPv4 address<\/td>An address such as 192.0.2.10<\/td><\/tr>
AAAA<\/th>IPv6 address<\/td>An IPv6 address<\/td><\/tr>
CNAME<\/th>Alias for a hostname<\/td>A destination hostname, not a URL<\/td><\/tr>
MX<\/th>Incoming email server<\/td>Priority plus a mail hostname<\/td><\/tr>
TXT<\/th>Verification and email policy<\/td>SPF, DKIM, DMARC or service text<\/td><\/tr><\/tbody><\/table><\/div>

Safe change process<\/h2>
1<\/span>

Copy current records<\/h3>

Take a screenshot or export before editing.<\/p><\/article>

2<\/span>

Change the smallest scope<\/h3>

Add or edit only the exact host and type supplied.<\/p><\/article>

3<\/span>

Allow propagation<\/h3>

Caches can retain the previous result until their TTL expires.<\/p><\/article><\/div>