🤖 Overview

Aboundexbot is a web crawler operated by Aboundex Inc., a small independent search engine focused on indexing blog content, personal websites, and long-tail web pages. The crawler was first documented in 2015 and feeds data into the Aboundex search index, which prioritizes niche and community-driven sites over mainstream commercial domains. Unlike major search engines, Aboundex explicitly markets itself as a privacy-conscious alternative with minimal data retention.

🌐 Technical Behavior

The crawler sends HTTP GET requests at a controlled rate of roughly 5–10 requests per second per host, as observed in community forums and server logs. It uses IPv4 addresses drawn from a small block (previously reported as 104.236.x.x or 198.58.x.x ranges allocated to DigitalOcean). Aboundexbot requests HTML pages and respects Last-Modified headers for incremental crawling. It supports gzip compression and follows HTTP redirects. The crawler does not fetch images, CSS, or JavaScript—only textual content. Official documentation on the Aboundex website (aboundex.com/crawler) confirms it scans sitemap.xml files if present.

📋 robots.txt Compliance

According to the Aboundex crawler documentation page, the bot fully honors robots.txt directives, including Disallow, Crawl-delay, and Allow rules. A GitHub repository associated with Aboundex (github.com/aboundex/crawler) states that the crawler parses robots.txt before every crawl session and pauses for the specified delay. No public reports of robots.txt violations were found in webmaster forums or security advisories.

🔍 Detection Indicators

The primary User-Agent string is Mozilla/5.0 (compatible; Aboundexbot/1.0; +http://www.aboundex.com/crawler). A secondary string (used for testing) is AboundexCrawler/1.0. The bot includes a From header with the email [email protected] for contact purposes. Behavioral fingerprints include a consistent request interval of 2–5 seconds between pages and exclusive IPv4 addresses from the DigitalOcean ASN.

📊 Data Usage

Collected content is used solely to populate the Aboundex search index, which serves privacy-focused search results with no ad tracking or user profiling. The official policy states that page text is stored temporarily for indexing and is not used for AI training, machine learning, or any non-search purpose. No CVE entries or security incidents involving Aboundexbot have been recorded in the National Vulnerability Database.

⚙️ Rate Limiting Policy

Rate limiting is appropriate because even legitimate crawlers can inadvertently overload smaller web servers if left unchecked. Implementing a threshold (e.g., 30 requests per minute per IP) protects site availability while still allowing the bot to index content—a standard practice recommended by the Robots Exclusion Protocol working group.

ⓘ Data Notice: The information presented above has been compiled from publicly available internet sources. Boteraser aggregates this data solely for informational purposes and does not independently classify, evaluate, or endorse any findings about the bots listed. The accuracy and completeness of this information is the sole responsibility of the original publishers. Boteraser and its operators accept no liability for any decisions made based on this data.