DNSSEC adds cryptographic signatures to DNS records, preventing spoofing and cache poisoning. Critical for e-commerce, banking, and login portals. Warning: migrating DNS without disabling DNSSEC first causes a global site outage. NameSilo default nameservers do not yet support DNSSEC signing.
Clear iPhone DNS cache: toggle Airplane Mode on for 15 seconds, then off. Android: Chrome → chrome://net-internals/#dns → Clear host cache. Clearing cookies does not flush DNS. Reset Network Settings (iOS) is the nuclear option, deletes all saved Wi-Fi passwords.
Connect custom domain to Etsy using 301 domain forwarding to etsy.com/shop/YourShopName. Never use masked/cloaked forwarding, iframes break mobile checkout. Etsy Pattern ($15/mo) allows native DNS: A record 130.211.40.170 and CNAME patternbyetsy.com.
SPF records list servers authorized to send email from your domain. Add ONE TXT record with v=spf1, include statements for each service, and ~all. Multiple SPF records invalidate both, merge into one. Required by Gmail and Yahoo for delivery.
Learn why DNS changes sometimes appear to work before propagation finishes and why different users may see different results.
Connect your domain to Carrd by adding two A records (IPs from your Carrd dashboard) and a CNAME for www. Delete existing A records first, this is the most common issue. Requires Carrd Pro ($19/year). Initialization takes 10-60 minutes. SSL is automatic.
Point your domain to Vercel using A record 76.76.21.21 for root (@) and CNAME cname.vercel-dns.com for www. Delete old A records first to prevent split traffic. Keep nameservers at your registrar to preserve email. Vercel provisions free SSL automatically after propagation.
Domain still showing old site after DNS changes? It's local caching. Test on mobile data (Wi-Fi off) to confirm propagation is complete. Flush DNS cache, clear browser data, restart router. Don't re-edit DNS records, changes reset propagation timers. Wait 24-48 hours.
Verify Google Search Console ownership using a DNS TXT record. Choose Domain property (not URL Prefix) to cover all subdomains and protocols. Add the google-site-verification string as a TXT record with host @. Keep the record permanently, deleting it revokes GSC access.
Website works in some countries but not others? Learn the real causes and how to fix DNS, CDN, and routing issues.
Website loads on WiFi but not mobile data? Learn the real causes and how to fix DNS, routing, and caching issues.
Domain showing the wrong website? Learn why this happens and how to fix DNS, hosting, and caching issues step by step.
