DNS stands for Domain Name System. It is one of the quiet pieces of internet infrastructure that most people only think about when something stops working.<\/p>\n
In simple terms, DNS connects a human-friendly domain name to the technical location of the service it needs to reach. You type a domain name into a browser. DNS helps find the correct server for that website. You send email to someone at a domain. DNS helps direct that email to the correct mail service.<\/p>\n
Without DNS, domain names would not be much use.<\/p>\n
Computers use IP addresses to find each other online. People are much better at remembering names.<\/p>\n
It is easier to remember That is why DNS settings matter whenever you launch a website, move hosting, set up business email or connect third-party services.<\/p>\n Nameservers tell the internet where your domain’s DNS records are managed. DNS records then provide the specific instructions.<\/p>\n Common DNS records include You do not need to memorise every record type, but it helps to know that different services may need different DNS records.<\/p>\n When you move a website to new hosting, the DNS may need to be updated so your domain points to the new server. This can involve changing nameservers or updating individual records.<\/p>\n The right approach depends on where your DNS is managed and what else is connected to the domain. It is important to be careful. Changing nameservers without checking email, subdomains and other records can accidentally interrupt services.<\/p>\n Email relies heavily on DNS. MX records tell the internet which mail servers handle email for your domain. TXT records can help prove that your email is authorised and reduce the chance of messages being treated as suspicious.<\/p>\n If business email is important to you, DNS changes should be planned properly. A small mistake can stop mail being delivered.<\/p>\n When you update DNS, the change is not always visible everywhere immediately. This delay is often called propagation. In many cases changes appear quickly, but some networks may keep older information for a while.<\/p>\n That is why a site or email service can appear updated for one person but not another. Planning DNS changes outside your busiest period is usually sensible.<\/p>\n Over time, domains can collect old records from previous hosting, email tools, verification services and experiments. It is worth reviewing DNS records occasionally, especially before a migration.<\/p>\n Old or duplicated records can make troubleshooting harder and may create security or deliverability problems. If you are unsure about a DNS record, check before removing it.<\/p>\n DNS is not glamorous, but it is essential. It connects your domain name to your website, email and other services your business depends on.<\/p>\n When DNS is set up properly, nobody notices it. When it is wrong, websites disappear, emails bounce and services stop behaving as expected. That is why domain and hosting changes should always include a careful DNS check.<\/p>\n","protected":false},"excerpt":{"rendered":" DNS connects your domain name to the right web, email and online services. Here is a plain English guide to how it works.<\/p>\n","protected":false},"author":1,"featured_media":2048,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[36,29],"tags":[],"class_list":["post-1765","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-domains","category-hosting"],"_links":{"self":[{"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/posts\/1765","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/comments?post=1765"}],"version-history":[{"count":7,"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/posts\/1765\/revisions"}],"predecessor-version":[{"id":3646,"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/posts\/1765\/revisions\/3646"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/media\/2048"}],"wp:attachment":[{"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/media?parent=1765"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/categories?post=1765"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.4uhosting.co.uk\/articles\/wp-json\/wp\/v2\/tags?post=1765"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}example.co.uk<\/code> than a string of numbers. DNS acts a little like a directory, translating domain names into the records that browsers, email systems and other services need.<\/p>\nNameservers and DNS records<\/h2>\n
A<\/code> records, which point a domain or subdomain to an IP address, CNAME<\/code> records, which point one hostname to another, MX<\/code> records, which tell email where to go and TXT<\/code> records, often used for verification and email authentication.<\/p>\nDNS and your website<\/h2>\n
DNS and email<\/h2>\n
DNS changes can take time<\/h2>\n
Keep DNS records tidy<\/h2>\n
DNS is small, but important<\/h2>\n