Guides tagged “dns”
Step-by-step MdmHost guides about dns, sorted A-Z.
62 guides · page 3 of 4
MX records and Email Routing in cPanel (use Google Workspace or Microsoft 365)
Change MX records in cPanel Zone Editor, set Email Routing to local or remote, and connect Google Workspace or Microsoft 365 while keeping your website on MdmHost.
Nameservers vs DNS records: what is the difference?
Nameservers decide who answers for your domain; DNS records are the answers. Learn when to change nameservers, when to edit a single record, and what each choice affects.
One SPF record for several mail services (and the 10-lookup limit)
Combine cPanel, Google Workspace, Microsoft 365, newsletter and CRM senders into a single valid SPF record, stay under the 10 DNS lookup limit and avoid common SPF errors.
Plesk website not loading? A step-by-step troubleshooting checklist
Work through DNS, SSL, hosting settings, PHP, logs, suspended subscriptions and server services to find why a website hosted on Plesk is down or showing errors.
Point a subdomain to your home IP with cPanel Dynamic DNS
Use cPanel Dynamic DNS to keep a subdomain such as home.example.com pointed at a changing home or office IP, with the update URL, router setup and a cron example.
Point your domain to MdmHost: change nameservers at GoDaddy, Namecheap, Name.com and more
Update your domain's nameservers at GoDaddy, Namecheap, Name.com, Dynadot, 123 Reg or LogicBoxes registrars so your domain loads your MdmHost hosting.
Publish a Sitejet website to your domain
Publish a Sitejet site to a domain in cPanel, prepare DNS and SSL, protect an existing site in the same folder and fix domains that show the wrong content.
Set the time zone and keep the clock in sync (NTP)
Pick the right time zone with timedatectl, keep the clock accurate with systemd-timesyncd or chrony, and avoid surprises with cron and logs.
Set the time zone on Windows Server
Find and set the right Windows time zone, keep the clock synced with w32tm, and understand how it relates to broker server time.
Set up a cPanel DNS cluster in WHM (root guide)
Link cPanel servers or dedicated DNS-only servers in a DNS cluster as root: roles, API tokens, synchronisation and checks so zones stay online if one server fails.
Set up DirectAdmin Multi Server DNS clustering
Connect DirectAdmin servers with Multi Server Setup so DNS zones sync automatically, run dedicated nameserver boxes, and check that zones replicate correctly.
Set up IPv6 on a Linux VPS and test it
Add the IPv6 address and gateway from your provider with Netplan or nmcli, open the firewall, publish AAAA records and confirm IPv6 works end to end.
Set up private nameservers as a DirectAdmin reseller
Create white-label nameservers such as ns1.yourbrand.com as a DirectAdmin reseller: assign IPs, create the nameserver records, register glue at the registrar and set defaults.
Set up SPF, DKIM and DMARC in Plesk for better email delivery
Enable DKIM signing, publish SPF and DMARC records and check them in Plesk so mail from your domain reaches the inbox at Gmail, Outlook and Yahoo.
Set your server hostname and reverse DNS
Change the server's hostname, point DNS records at your IP, set reverse DNS in the control panel and check that forward and reverse lookups match.
Use Cloudflare with a Plesk-hosted website
Put a Plesk site behind Cloudflare: move DNS or use records only, choose Full (strict) SSL, keep Let's Encrypt renewing, restore real visitor IPs and avoid redirect loops.
Virtualmin: manage email, DNS and SSL for virtual servers
Day-to-day Virtualmin work on a Linux VPS: create mail users, edit DNS records in the zone, and request a Let's Encrypt certificate for each virtual server.
VPS has no network or internet? Troubleshooting on Virtualizor
Diagnose a Virtualizor VPS that is online but unreachable: check status and IPs in the panel, test from VNC, fix interface, gateway, DNS and firewall problems.
Website down? A step-by-step troubleshooting checklist
A calm, ordered checklist for when your website stops loading: is it just you, domain and DNS, SSL, error codes, resource limits, disk space and recent changes.
What is a domain name and how does it work?
A plain-English explanation of domain names: the parts of a domain, who manages them, how a name points to a server, and how owning a domain differs from hosting.
Browse by topic
- Getting startedYour first hour with a new server: access, logins and basics.69 guides
- cPanelFiles, databases, email, domains and every cPanel tool, step by step.37 guides
- WHM & resellingWHM, packages, reseller accounts, WHMReseller and running a hosting brand.49 guides
- WordPressInstall, secure, speed up, migrate and fix WordPress sites.40 guides
- Email & webmailMailboxes, webmail, forwarders, spam filters and email delivery.37 guides
- DomainsRegistering, transferring and managing domains and nameservers.20 guides
- SSL certificatesFree AutoSSL, Let's Encrypt, paid certificates and HTTPS.19 guides
- CloudLinuxCloudLinux setup and use: LVE limits, CloudLinux Manager, CageFS and PHP/Node.js selectors.31 guides
- LiteSpeedLiteSpeed Web Server, LSCache and the LiteSpeed Cache plugin: install, settings and tuning.30 guides
- Imunify360Malware scanning, firewall and proactive defence with Imunify360.23 guides
- SoftaculousInstall, update, clone and back up apps with Softaculous.23 guides
- WP SquaredcPanel's WordPress platform: sites, plugins, staging and backups.9 guides
- SitePadBuild and publish websites with the SitePad builder.9 guides
- SitejetDesign, edit and publish sites with the Sitejet builder.9 guides
- WHMResellerAlpha and master resellers with WHMReseller: install, setup and use.12 guides
- VirtFusionInstall, set up and manage VirtFusion: hypervisors, packages, servers and WHMCS integration.7 guides
- VirtualizorManage your VPS with Virtualizor: power, OS reinstall, VNC, IPs and backups.30 guides
- PleskWebsites, email, databases and settings in the Plesk panel.52 guides
- DirectAdminUsers, domains, email and reseller tools in DirectAdmin.40 guides
- WHMCSBilling, automation, products and client management with WHMCS.51 guides
- Control panelscPanel & WHM, Plesk, DirectAdmin and other panels on your VPS.106 guides
- SecurityKeys, passwords, firewalls and keeping a server patched.115 guides
- Networking & DNSIP addresses, reverse DNS, ports and traffic.34 guides
- Websites & appsWeb servers, WordPress, PHP, Node.js, SSL and app hosting.52 guides
- DatabasesMySQL, MariaDB, PostgreSQL, Redis and MongoDB on a VPS.64 guides
- Billing & accountInvoices, renewals, the client area and your account.9 guides
- TroubleshootingWhen something is not working: checks and fixes.68 guides
- Linux VPSSSH, packages, services and everyday Linux administration.70 guides
- Windows VPS & RDPRemote Desktop, Windows Server settings and Admin RDP tips.58 guides
- Docker & DevOpsContainers, Git deploys, automation, monitoring and backups.58 guides
Still stuck?
Ask MdmHost AI for a quick answer, or open a ticket and our team will take a look. We are here 24/7.