Dedicated IP
A dedicated IP is an IP address used only by your account or service, not shared with hundreds of other sites on the same machine. The opposite is a shared IP, common on shared hosting.
Dedicated IPs used to be tied to SSL; today Let’s Encrypt + SNI make HTTPS fine on shared IPs. A dedicated address still matters for specific cases, but it is rarely “required” for a normal blog or brochure site. Buy it for technical reasons, not marketing myths.
When It Still Helps
- Legacy apps that require a unique IP
- Outbound mail reputation (though warm-up, authentication, and correct SMTP matter more)
- Corporate firewall allowlists for a fixed IP
- Some DNS, game, private API, or special server scenarios
If you only want a padlock in the browser, fix certificates and redirects first — that alone is not a strong reason to buy a dedicated address.
Dedicated IP Is Not a Magic Shield
| Myth | Reality |
|---|---|
| “Required for SEO” | Google does not require a dedicated IP alone |
| “Automatically secure” | App security is still on you |
| “Guarantees inbox placement” | Reputation, SPF/DKIM/DMARC, and content matter more |
Shared IP: What Is the Risk?
On a shared IP, noisy neighbors (spam, malware) can occasionally affect the reputation of the same address. That is not constant, and buying a new IP is not always the first fix — correct mail auth or transactional SMTP often helps more. Watch bounces and blacklists when business email is critical.
What to Watch For
- Dedicated IPs are usually a paid add-on
- Changing IPs means updating A records plus any allowlists
- IPv4 is scarce; not every host sells extras
- For most SMBs, shared IP + HTTPS is enough
- After a change, test the site and mail from more than one network
FAQ
Do I need a dedicated IP for WordPress?
Usually no. Prioritize updates, SSL, backups, and performance.
If a neighbor on a shared IP is blacklisted, am I affected?
Sometimes shared-IP reputation hurts mail. Mitigate with correct mail auth, external SMTP, or a dedicated IP if it keeps happening.
Is dedicated IP the same as a VPS?
No. A VPS isolates resources. A dedicated IP is only an address. VPS instances usually get their own IP, but the concepts differ.
After I buy an IP, does the site move automatically?
No. You still point DNS (A records) and wait for propagation.
Disclaimer: Hosting Wiki articles are prepared for educational and reference purposes. Hosting technology keeps evolving, so some technical details may change over time.