Blacklist wiki · Widely used
URIBL Black
URIBL Black is the most aggressive URIBL sub-list, containing domains with the strongest spam associations. Being listed here has significant impact on email deliverability.
- Zone
- Widely used
- Tier
- Author
At a glance
- Zone
- black.uribl.com
- Tier
- Widely used. Referenced by many corporate filters and ISPs, usually as one signal among several. A listing costs you some recipients, and a scan reports it as a warning.
- What it lists
- Domains with strong, confirmed associations with spam email content.
- Impact
- High: the strictest URIBL list. Many filters block emails containing domains from this list.
- How to check
- Look your IP up on the operator's own site. It refuses queries sent through public resolvers, so a free checker may not see it.
- How to delist
- 5 steps below, ending on the list's removal page.
- Auto-expiry
- Does not auto-expire. Manual removal with evidence required.
How to get delisted
- 01Check your domain at lookup.uribl.com
- 02If listed on URIBL Black, the spam association is considered strong
- 03Thoroughly investigate and resolve all abuse issues
- 04Submit a removal request with detailed evidence of remediation
- 05Be prepared for a longer review process
Open the removal formhttps://lookup.uribl.com/