What is kb.dk_bot?
Direct Answer: The kb.dk_bot is operated by Netarkivet, a part of the Royal Danish Library, to collect and preserve the Danish Internet for research purposes.
The kb.dk_bot is a web crawler developed by Netarkivet, a department of the Royal Danish Library, to collect and preserve Danish Internet material according to the Danish Legal Deposit Act. The bot collects publicly available material from Danish websites, including news media, social media, and YouTube videos, using various collection strategies such as cross-sectional, selective, event, and special collections. The collected material is stored in a web archive and can only be used for research purposes.
User-Agent Identification
The following user-agent strings identify kb.dk_bot in your live traffic data:
Mozilla/5.0 (compatible; heritrix/3.4.0 +https://www.kb.dk/netarkivindsamling/) Firefox/57
robots.txt Rules for kb.dk_bot
Respects robots.txt: No
This bot does not commit to following robots.txt
kb.dk_bot does not officially follow robots.txt directives. The only reliable way to control access is through server-side blocking (IP filtering, user-agent rules in your web server config) combined with log monitoring to verify effectiveness.
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Crawl Behavior
Frequency:Multiple Times A Year (Cross-Sectional), Up To 12 Times Daily (Selective)
Request Pattern:Collects Material From Danish Domains, News Media, Social Media, And YouTube
Official Documentation Quotes
"We only collect publicly available material from the Internet. Private content (with limited access) such as password protected family websites or corporate intranets are not in the public domain and we do not collect them."
Crawl Activity Index
Relative crawl activity for kb.dk_bot over the past 28 days. Higher values indicate increased crawling intensity compared to the period baseline.
View recent activity data (last 7 days)
| Date | Activity Index |
|---|---|
| Mar 26, 2026 | 88.0 |
| Mar 27, 2026 | 82.7 |
| Mar 28, 2026 | 83.1 |
| Mar 29, 2026 | 81.8 |
| Mar 30, 2026 | 87.3 |
| Mar 31, 2026 | 90.2 |
| Apr 1, 2026 | 88.8 |
Source: Cloudflare Radar
Why track kb.dk_bot traffic?
Identify and classify unknown crawler activity. kb.dk_bot may appear in your live traffic data with varying frequency. Tracking its behavior helps you decide whether to allow, throttle, or block it based on actual data.
Protect your crawl budget. Every bot request consumes server resources. Understanding what kb.dk_bot crawls helps you prioritize the crawlers that matter.
Log Verification
To verify kb.dk_bot traffic in your live traffic data:
- Search access logs for the user-agent strings listed above
- Check if the IP addresses match documented ranges (if provided by Netarkivet)
- Verify the crawl pattern matches documented behavior
- Use reverse DNS lookup for additional verification if available
Note: Observed behavior in production environments may differ from official documentation. Live traffic monitoring provides the only reliable verification of actual bot behavior.
Undocumented Information
The following information is not officially documented for kb.dk_bot:
- ipVerification method
- JavaScript rendering details
Official Documentation
View Official kb.dk_bot Documentation →
Information sourced from official documentation. Content generated with AI assistance.