abuse.ro Uniform Resource Identifier Blacklist (URIBL)
The abuse.ro URIBL is a domain-based blocklist or blacklist that tracks spamvertized domains promoted within the bodies of spam emails.
Updated on 17 Jun 2026: We refreshed the abuse.ro URIBL guidance with clearer DNS response codes and delisting checks.
Summarize with
Check if you are listed on abuse.ro Uniform Resource Identifier Blacklist (URIBL)
And 143 other blocklists.















What is abuse.ro Uniform Resource Identifier Blacklist (URIBL)?
The abuse.ro Uniform Resource Identifier Blacklist (URIBL) is a domain-based blocklist (blacklist) and real-time URI blacklist. Unlike IP-based lists that focus on the sender's server address, this blocklist targets domain names found within the body of spam emails. These are often called "spamvertized" domains, meaning the websites or services advertised or linked to in unsolicited messages.
According to abuse.ro's policy, a domain is listed when it appears in messages captured by abuse.ro spam traps. This includes domains linked directly and domains reached through URL shorteners or redirects. abuse.ro defines spam as any email sent without the recipient's explicit consent. System administrators and email providers use this blacklist (or blocklist) to score, tag, quarantine, or reject messages that contain spam-related domains.
Who runs abuse.ro Uniform Resource Identifier Blacklist (URIBL)?
abuse.ro operates this blacklist as part of a collection of public classification and reputation databases for IP addresses and web domains. abuse.ro says it does not block email directly and does not operate a database of personal data. Instead, it provides probable spam-source data that email server operators choose to use when they classify, score, or reject messages.
The same site also publishes IP and domain lists such as rbl.abuse.ro, pbl.abuse.ro, uribl.abuse.ro, and dbl.abuse.ro. For this page, the relevant zone is uribl.abuse.ro, which is for spamvertized domains found in message content.
How abuse.ro URIBL DNS responses work
The active DNS zone for this list is uribl.abuse.ro. A positive lookup returns a 127.0.0.x response so the receiving filter can assign a spam score based on the type of domain found in the message body, rather than treating every hit the same way.
- 127.0.0.2 means a heavily spamvertized domain. abuse.ro recommends setting a high spam score.
- 127.0.0.4 means a spamvertized domain. abuse.ro recommends setting a moderate spam score.
- 127.0.0.9 means a dynamic domain. abuse.ro recommends setting a low-to-moderate spam score.
Example DNS lookupBASH
dig +short example.com.uribl.abuse.ro nslookup example.com.uribl.abuse.ro
Replace example.com with the domain found in the email link, not the full URL. A blank answer means DNS returned no listing for that queried domain in this URIBL zone.
How do I get removed and delisted from abuse.ro URIBL?
Delisting from this blocklist is manual. abuse.ro expects evidence that the underlying spam issue has been fixed and that the spam flow has stopped before it removes a domain.
- Confirm the listing with a direct DNS lookup against uribl.abuse.ro, and record the returned code. Do not rely only on a general blacklist or blocklist result.
- Fix why the domain appeared in spam. Check for compromised pages, injected links, malicious ads, open redirects, phishing content, and abused URL shorteners that point at your domain.
- Make sure new unsolicited email that advertises the domain has stopped. If newsletters caused the listing, remove recipients who did not give clear consent.
- Send the delisting request to admin@abuse.ro from the domain's postmaster address, such as postmaster@yourdomain.com. Include the listed domain, the DNS response, what changed, and evidence that the spam issue was corrected.
- Monitor the postmaster mailbox after sending the request because abuse.ro can verify control by sending a confirmation message.
What's the impact of being listed on abuse.ro URIBL?
The impact of an abuse.ro URIBL listing is often lower than a major sender IP blacklist, but the deliverability effect depends on which recipients use the list and how much weight they assign to its DNS response codes. Some systems only add to the spam score. Others quarantine or reject messages when the score crosses their internal threshold.
A listing can affect any legitimate email that contains the listed domain in a link, redirect, tracking URL, or email signature. That includes marketing emails, transactional notifications, password resets, invoices, and routine business messages. Because URIBL checks inspect message content, changing sending IPs or email authentication records alone does not remove the risk.
Other abuse.ro blocklists
abuse.ro Domain Blacklist (DBL)
Organization
abuse.ro
Zone
dbl.abuse.ro
Type
Domain
Impact
Low
Delisting
Manual
abuse.ro Policy Block List (PBL)
Organization
abuse.ro
Zone
pbl.abuse.ro
Type
IP
Impact
Low
Delisting
Manual
abuse.ro Realtime Block List (RBL)
Organization
abuse.ro
Zone
rbl.abuse.ro
Type
IP
Impact
Low
Delisting
Manual
