DuckDuckGo: 2 rows
In short
DuckDuckGo has 2 rows in the Index: DuckAssistBot and DuckDuckBot. They cover 2 purposes: live answer fetch, search index. 2 of them have a robots.txt token and 0 publish nothing a site can verify. The most refused is DuckAssistBot, disallowed at the root by 8.1 percent of top-10,000 sites. Two IP lists.
| Operator | Token | Block rate |
|---|---|---|
| DuckDuckGo | DuckAssistBot | 8.1% |
| DuckDuckGo | DuckDuckBot |
Vendor profile: DuckDuckGo, with its products, standards, our probes and what it does not do.
Verification Ledger entry
- Summary
- Two IP lists.
- IP lists
- Reverse DNS
- publishes nothing
- Key directory
- publishes nothing
- Cloudflare
- not checked
- Visa and Mastercard
- Visa TAP: no public operator-level registration found (checked 2026-11-04). Mastercard Agent Pay: no public operator-level registration found (checked 2026-11-04).
Block rates for DuckDuckGo tokens
| Token | Refused, top 10,000 | Named | Via * | All crawled |
|---|---|---|---|---|
| DuckAssistBot | 8.1% | 4.3% | 3.8% | 5.8% |
Based on 5,938 top-10,000 sites with a parsed robots.txt; crawl of 2026-11-04.
Sources
Last reviewed 2026-11-04