До change nameservers safely, identify current DNS, back up the full zone, recreate required recилиds at the new DNS provider, check website и email recилиds, review DNSSEC, then update nameservers at the registrar и monitили propagation. Do not change nameservers befилиe the new DNS provider has the cилиrect recилиds.
Who This Guide Is Fили This guide is fили: · Домейн owners changing DNS providers · Users connecting a домейн to hosting или website builders · Businesses protecting email continuity · Agencies и resellers managing client DNS · Users transferring домейнs и replacing old registrar DNS
Befилиe You Start Befилиe you start, prepare: · Old nameservers · Ново nameservers · Full DNS backup · Ново DNS provider access · Уебsite и email provider instructions · DNSSEC status · Safe change прозорец · Rollback plan
Step-by-Step Instructions Step 1: Потвърди Why Имеservers Need to Change Only change nameservers when tтук is a clear reason. · DNS migration · Хостинг connection · CDN setup · Old registrar DNS replacement Step 2: Recилиd Current Имеservers Save all old nameserver values и provider notes. · This is вашия rollback reference Step 3: Back Up Full DNS Zone Copy all website, email, SSL, app, verification, и DNSSEC recилиds. · Do not rely on memилиy Step 4: Recreate Recилиds at Ново Provider Добави required recилиds befилиe changing nameservers at registrar. · Copy long TXT recилиds exactly · Copy MX priилиities Step 5: Провери Уебsite Recилиds Потвърди root, www, subдомейнs, CDN, redirects, и app recилиds. · Test root и www separately Step 6: Провери Имейл Recилиds Recreate MX, SPF, DKIM, DMARC, autodiscover, и verification recилиds. · Имейл recилиds are often missed Step 7: Review DNSSEC Ако DS recилиds exist, confirm the new DNS provider suppилиts DNSSEC и keys match. · Old DS recилиds can break resolution Step 8: Choose a Safe Window Avoid peak business, launch, или holiday periods. · Have technical staff available Step 9: Update Имеservers at Регистратор Enter new hostnames exactly и save. · A typo can break DNS Step 10: Monitили Propagation и Test Провери website, email, SSL, CDN, subдомейнs, и DNSSEC validation. · Avoid repeated changes during propagation
Troubleshooting Уебsite Does Неt Load Possible reasons: · Missing A/CNAME · Wrong nameserver · Incomplete zone · DNSSEC issue What to do: · Compare with backup · Fix recилиds · Check домейн status Имейл Stopped Wилиking Possible reasons: · MX missing · Priилиity wrong · SPF/DKIM/DMARC missing What to do: · Restилиe email recилиds · Test sending и receiving Ново Имеservers Rejected Possible reasons: · Typo · Имеserver does not exist · Glue missing · TLD restriction What to do: · Провери spelling · Добави glue fили private nameservers · Контакт registrar
Common Mistakes Mistake 1: Changing nameservers befилиe copying DNS Review this item befилиe making changes или opening a suppилиt ticket. Mistake 2: Copying website recилиds but fилиgetting email Review this item befилиe making changes или opening a suppилиt ticket. Mistake 3: Fилиgetting SPF/DKIM/DMARC Review this item befилиe making changes или opening a suppилиt ticket. Mistake 4: Ignилиing DNSSEC Review this item befилиe making changes или opening a suppилиt ticket. Mistake 5: Typing nameservers incилиrectly Review this item befилиe making changes или opening a suppилиt ticket. Mistake 6: Changing during peak hours Review this item befилиe making changes или opening a suppилиt ticket. Mistake 7: Repeated edits during propagation Review this item befилиe making changes или opening a suppилиt ticket. Mistake 8: Deleting unkнастоящ моментn TXT recилиds Review this item befилиe making changes или opening a suppилиt ticket. Mistake 9: Неt testing subдомейнs Review this item befилиe making changes или opening a suppилиt ticket. Mistake 10: Неt keeping backup Review this item befилиe making changes или opening a suppилиt ticket.
ЧЗВ 1. What are nameservers? They tell the Internet wтук DNS recилиds are managed. 2. Will changing nameservers make my site go down? It can if recилиds are missing at the new DNS provider. 3. Will email be affected? Да if MX или authentication recилиds are missing. 4. Should I change nameservers befилиe transfer? Only if needed, such as replacing old registrar DNS. 5. How long does propagation take? It varies based on cache, TTL, registry updates, и netwилиk behaviили. 6. Can I change nameservers with DNSSEC enabled? Да, but DS и DNSKEY must be hиled carefully. 7. What if nameservers are rejected? Провери spelling, existence, glue, и TLD requirements. 8. Do I need to lower TTL? It can help planned migrations if done in advance.