8 posts matching “dns” in VPS · Clear
Learn how DNS failover keeps your site online when your VPS goes down, with practical Cloudflare, DNS provider, and self-managed failover setup steps.
20 August 2026 · 6 min · 16 views VPS VPS Can't Resolve DNS? Fix "Temporary Failure in Name Resolution"VPS throwing "Temporary failure in name resolution"? Fix broken resolv.conf, systemd-resolved, and firewall issues stopping DNS lookups on Linux.
27 July 2026 · 5 min · 43 views VPS Wildcard SSL with Let's Encrypt: DNS-01 Setup GuideWildcard SSL failing over HTTP-01? Learn why Let's Encrypt needs DNS-01 validation and how to set up wildcard certs with Certbot or acme.sh.
15 July 2026 · 6 min · 22 views VPS Moving From Shared cPanel Hosting to a VPS: A Practical GuideOutgrown shared cPanel hosting? Here's how to move your site, database, mail, and DNS to a VPS step by step without downtime or lost email.
27 July 2026 · 7 min · 15 views VPS Migrating Your Entire VPS to a New Server Without DowntimeMoving to a new VPS? Learn how to migrate files, databases, mail, cron jobs, and DNS to a new server without downtime or lost email.
19 July 2026 · 6 min · 27 views VPS Self-Hosted Mail Server on a VPS: Postfix + Dovecot GuideWant your own mail server instead of paying per mailbox? Step-by-step Postfix and Dovecot setup on a VPS, with the DNS records that make it actually deliver.
18 July 2026 · 5 min · 22 views VPS PTR Record Missing? Fix VPS Mail Getting RejectedVPS mail bouncing or landing in spam even with SPF/DKIM/DMARC set? Learn how to check, request, and match a PTR (reverse DNS) record the right way.
15 July 2026 · 6 min · 22 views VPS Certbot Renewal Failing on Your VPS: Causes and the FixLet's Encrypt renewal failing on your VPS? Learn the six real causes - port 80, DNS-01, rate limits, missing hooks - and fix each one step by step.
13 July 2026 · 6 min · 15 views