Overview
If your domain or IP address has been blacklisted, fixing it is almost impossible, and even when possible, it is almost never worth the time or effort.
What You Should Do
Get a new burner domain and move on.
Even one or two blacklist listings can mean poor deliverability or a burned domain. You do not need to be on many blacklists before it hurts your inbox placement.
Blacklists are designed to flag domains and IPs that show spam-like behavior. Once flagged, your domain's reputation is permanently damaged in the eyes of many email providers.
Why Fixing a Blacklist Is Not Worth It
- Some blacklists never remove listings for cold email domains, no matter what you do
- Even if one blacklist removes you, others may still have you flagged
- Email service providers cache reputation data independently. Outlook, Gmail, and other major ESPs maintain their own internal reputation systems. Even if you are officially removed from a blacklist, there is no guarantee these providers will immediately (or ever) restore trust in your domain
- The process can take weeks or months with no guarantee of success
- Your time is better spent setting up a fresh, properly warmed-up domain than fighting a damaged one
How to Verify If You Are Blacklisted
Run a Domain Setup Report inside SalesBlink. It tests the IP address your domain's A record points to against over 50 DNS-based email blacklists (commonly called Realtime Blacklists, DNSBL, or RBL) and will show if it has been flagged. This follows the same standard practice as tools like MXToolbox.com.
Note: The A-record IP is usually your website hosting, so it is checked even if you send through Google Workspace or Microsoft 365. Blacklists are rechecked every time the report runs (every 48 hours, or when you open Domain Report), and some listings that are common on new hosting IPs (such as
dnsbl-1.uceprotect.net) can clear on their own. If a listing stays, follow the steps below.
Steps After Replacing a Blacklisted Domain
- Purchase a new burner domain (or buy one directly through SalesBlink)
- Set up new mailboxes with proper SPF, DKIM, and DMARC records
- Enable Email WarmUp and wait at least 15–30 days before sending cold emails
- Follow Best Practices for Cold Email to protect your new domain's reputation
Tip: Prevention is the only real cure. Follow deliverability best practices from day one to avoid getting blacklisted in the first place.
Frequently Asked Questions
I am only on one or two blacklists. Do I still need a new domain?
It can still mean poor deliverability or a burned domain. Watch your bounce rate, reply rate, and Inbox Placement Test results. If they drop, or the listing does not clear, move to a new burner domain.