Posts tagged #engineering
22 May 2026 · 4 min read
Why test.example.com breaks WHOIS — and the fix
A customer asked why our WHOIS panel said "temporarily unavailable" for their hosting service on a subdomain like test.gocelerus.com. The answer is structural — RDAP servers don't hold entries for subdomains. The fix is a small public-suffix table and one careful peel.
17 May 2026 · 3 min read
The case of the disappearing discount
A customer pinged us because their checkout said "Promo (LAUNCH15) -$0.45 → $2.82" but the USDT QR generated for the full $3.32. A 13% leak hiding behind a column that stored the gross amount instead of the net. Here's how we tracked it down and the regression test that locks it.
15 May 2026 · 3 min read
Hosting setup in 60 seconds, not 24 hours
Most hosting providers still say "your account will be activated within 24 hours" on signup. cPanel's automation API has existed since the early 2000s — there's no excuse. Here's how GoCelerus provisions accounts in under a minute, and why most of the industry still doesn't.