Want 80 percent traffic to new server, 20 to old
Weighted DNS splits requests by ratio. Not exact, but handy for canary deploys.
Try this first
- 1Two A records with different weights (Route53, NS1, Cloudflare)
- 2Low TTL (60-120) so shifts land quickly
- 3Monitor errors per backend, roll back if needed
- 4On green light step to 100 percent new
When to bring us in
For stickiness use a load balancer with session affinity, not DNS.
See also
- Domain expires tomorrow and nobody saw the emailAn expired domain doesn't transfer instantly. There's a redemption window, but you pay extra.
- Unsure whether to enable auto-renewDisabling auto-renew only makes sense for domains you'll truly drop. For anything live, just keep it on.
- New registrar asks for auth code, can't find itEPP code or transfer code is the password to move a domain from registrar A to B.
None of the above fits?
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