Domain Sources
PureSignup aggregates data from 6 authoritative sources to provide industry-leading coverage of 160,000+ disposable email domains.
Our Sources
We aggregate data from 6 authoritative community-maintained sources. Our automated system updates daily to ensure comprehensive coverage.
Multi-Source Verification
Our API response includes which sources identified a domain as disposable, giving you confidence in the results:
{
"success": true,
"data": {
"domain": "guerrillamail.com",
"risk_level": "high",
"sources": ["SRC_A", "SRC_B", "SRC_C", "SRC_D", "SRC_F"],
...
}
}How We Update Our Database
We run automated ingestion scripts daily to keep our database current with the latest disposable email domains:
- Fetch: Download lists from all 6 sources via their public APIs/repositories
- Normalize: Clean and standardize domain names (lowercase, remove duplicates)
- Deduplicate: Merge domains from all sources, tracking which sources identified each domain
- Update: Insert new domains and update timestamps for existing ones
- Verify: Run validation checks to ensure data quality
High-Confidence Domains
Some domains are so widely recognized as disposable that they appear in all our sources. Here are examples of domains verified by all 6 sources:
Why Multiple Sources?
Maximum Coverage
Each source tracks different disposable email services. By aggregating all of them, we catch threats that single sources miss.
Redundancy
If one source goes offline or stops updating, we still have 5 others providing protection.
Confidence Scoring
Domains identified by multiple sources are more likely to be disposable, giving you confidence in blocking them.
Daily Updates
With daily updates from our sources, we catch brand new disposable services within 24 hours.
Contributing
Think we've missed a disposable domain? Soon, you'll be able to suggest new domains directly from your dashboard. This feature is coming soon!