Domain & IP
blacklist checker
See which blocklists flag your domain or server. Separate website hosting from mail routing, then find the right next action.
Results are cached for two hours. We store the target, timestamps and results for check history and later aggregate analysis. Privacy details
Your blocklist report
| Blocklist | Target / purpose | Status | Removal / information |
|---|
Clear means no listing in the available response at the stated time. Unknown is not clear. SORBS is retired; unavailable provider access is shown explicitly. Provider notices and data licence
A listing is a starting point.
Blocklists record addresses or domains under an operator’s published rules. Receiving mail systems may use those records to reject or filter a message. A listing on one operator’s list does not mean every receiving service will block your mail.
An IP-based entry applies to a server address; a domain-based entry applies to a name. Your website, incoming mail and outgoing mail can use different infrastructure. That is why this report labels website and MX results separately. For a sending problem, check the outbound IP shown by your mail provider or message header too.
Read the exact list and reason before acting. A sending-policy entry can mean that an IP should use an authenticated mail relay. It does not, on its own, establish that the server sent spam. Provider outages, unsupported IPv6 queries and access restrictions stay Unknown.
Find the cause.
Follow the right removal process.
Prepare a diagnosis case for one domain or IP. The paid service adds authentication checks, limited relay and website indicators, removal-request guidance and daily re-checks for up to 14 days.
- 01
Verify your authority
Confirm DNS control and that you administer the infrastructure before diagnostics.
- 02
Repair and request
Use the report to address the cause, then complete each operator’s own removal process.
- 03
Track the outcome
When the paid service is available, get daily checks and email updates when status differs.
Paid diagnosis is not open yet. You can still use the free results and official removal links.
Removal is not guaranteed; it depends on the underlying issue being resolved and the operator’s policy. Any blocklist operator’s expedited-removal fee is separate from our price. It requires your approval and is passed through separately or paid directly to the operator.
Blacklist checker questions
What is a domain/IP blacklist?
An email blocklist is an operator’s record of domains or IP addresses associated with unwanted mail, abuse or sending-policy restrictions. Each operator sets its own listing rules. A listing is evidence to investigate, not proof that every message from that address is spam.
Why does it matter for email deliverability?
A receiving service may use blocklists when deciding whether to accept, reject or filter mail. Different receivers use different lists and rules. A clear result across the lists checked here does not guarantee inbox placement; authentication, sending history and recipient feedback also matter.
How do I know if I’m blacklisted?
Enter your domain or public sending IP above. For domains, we resolve website and MX addresses and label them separately. To check outbound delivery, get the sending IP from your provider or a message header and check it directly. Listed means the operator returned a recognised listing code; Unknown means we could not confirm the answer.
What’s the difference between a domain-based and IP-based blocklist?
An IP list tracks a server or network address. A domain list tracks a name that can appear in mail addresses or links. Moving a website to another IP does not necessarily remove a domain listing. Shared hosting and mail providers can also put many customers on one IP.
Can I get delisted for free myself?
Often, yes. Start with the operator’s official information or removal link in the results. Stop the activity that caused the listing and follow that operator’s process. Some lists expire entries automatically; others ask for an explanation. Our service fee would pay for diagnosis, guidance and re-checking, not control over an operator’s decision.
How long does delisting usually take?
There is no universal deadline. Timing depends on the list, the reason for the entry and whether new abuse continues. Read the current policy at the operator’s link. We cache checks for two hours, so a fresh removal may not appear here immediately.
Will I get relisted after removal?
Yes, if the cause returns or was never resolved. Review compromised accounts, website software, unauthorised sending, relay settings and list acquisition practices. Removal alone does not repair those issues.
What does the paid “fix” service actually do?
When available, a one-time case covers a verified domain or IP: DNS authentication diagnostics, a bounded non-delivering relay probe, limited homepage indicators, provider-specific request drafts and daily checks for up to 14 days. You complete the operator’s form when required. Status updates are emailed. It does not include server administration, a full malware scan or guaranteed removal. Any operator fee is separate and requires your approval.
