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Bot IP: 195.191.219.133

Bot Name: MJ12bot
MJ12bot is a web crawler operated by Majestic, used primarily for building a large-scale web index for SEO and link analysis.
Verified bot
Track-A-Bot Trust Score: 100/100
0255075100
Why Track-A-Bot rated this IP (tap to expand)

Identity

  • ✅ Marked as bot traffic
  • ✅ Bot name present
  • ✅ User-agent matches bot name
  • ✅ User-agent includes identity link/email

Hostname

  • ✅ Hostname observed
  • ✅ Hostname resembles bot name
  • ℹ️ Hostname status not verified
  • ✅ No hostname mismatch flags

Behavior

  • ✅ Requested /robots.txt
  • ✅ No referrer (typical crawler behavior)
  • ✅ Mostly 200/304 responses
  • 📌 Visits: 4059
  • ⏱️ Age: 15278h

Penalties

  • ✅ No major spoof pattern
  • ✅ No fingerprint fields
  • ✅ Cookies not enabled
  • ✅ No connection type
Total visits: 4,059 First seen: Mar 16th, 2024 4:51 AM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
crawl-xuxehn.mj12bot.com
Known User Agent(s)
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)
Mozilla/5.0 (compatible; MJ12bot/v2.0.0; http://mj12bot.com/)
Known Accepted Language(s)
en
Known Accepted Encoding(s)
br,gzip
br, gzip

Common User-Agent Tokens

These are identifiers found inside user-agent strings we observed for mj12bot.

Token
Seen
First seen
Last seen
mj12bot/v1.4.8
32,219
3/16/24
12/12/25
mj12bot/v1.4.8 32,219 seen
First 3/16/24
Last 12/12/25
mj12bot/v2.0.0
4,134
2/13/25
12/12/25
mj12bot/v2.0.0 4,134 seen
First 2/13/25
Last 12/12/25
mj12bot/v2.0.2
2,056
5/22/25
12/12/25
mj12bot/v2.0.2 2,056 seen
First 5/22/25
Last 12/12/25
mj12bot/v2.0.4
1,929
8/13/25
12/12/25
mj12bot/v2.0.4 1,929 seen
First 8/13/25
Last 12/12/25
mj12bot/v2.0.1
1,117
5/6/25
12/12/25
mj12bot/v2.0.1 1,117 seen
First 5/6/25
Last 12/12/25
ident
16
3/2/25
12/12/25
ident 16 seen
First 3/2/25
Last 12/12/25
m08fnqhytir7
16
3/2/25
12/12/25
m08fnqhytir7 16 seen
First 3/2/25
Last 12/12/25
unknown
12
5/28/25
12/12/25
unknown 12 seen
First 5/28/25
Last 12/12/25

Identity Links

These are URLs we observed in association with mj12bot (often used as an identity, help, or policy link).

URL
Seen
First seen
Last seen
41,452
3/16/24
12/12/25
mj12bot.com/ 41,452 seen mj12bot.com
First 3/16/24
Last 12/12/25
www.majestic12.co.uk/bot.php?+ 3 seen www.majestic12.co.uk
First 8/1/25
Last 8/1/25

Bot FAQ for this IP


Why is mj12bot visiting my website?

mj12bot is visiting your website as part of its web crawling activities. According to the recent logs, it accessed various pages and your /robots.txt file multiple times, which is typical crawler behavior. The user agent string identifies itself as 'MJ12bot/v2.0.0' and the hostname resolves to 'crawl-xuxehn.mj12bot.com'. Crawlers like mj12bot generally visit sites to index content for search engines or data analysis. If you want to control or limit its access, you can update your robots.txt file with specific rules, monitor its activity for unusual patterns, implement rate limiting to prevent excessive requests, and use a Web Application Firewall (WAF) for additional protection.

What does mj12bot do?

mj12bot is an automated web crawler that scans and indexes web pages. Its user agent and hostname suggest it is operated by the Majestic-12 project, which is known for building a search engine and web link database. The bot typically collects information about website structure and links. In your logs, mj12bot accessed a variety of pages and checked your robots.txt file, which is standard for responsible crawlers. If you want to verify its identity, you can perform a reverse DNS lookup on its IP address (195.191.219.133) to ensure it matches the claimed hostname. You can also specify crawl rules in your robots.txt file to manage its access.

Is mj12bot safe?

Based on the available data, mj12bot appears to behave like a legitimate web crawler: it identifies itself clearly, checks your robots.txt file, and uses a hostname that matches its user agent. However, as with any bot, you should remain cautious. Always verify the bot's IP address with a reverse DNS lookup to confirm it matches the official mj12bot domain. Monitor your server for unusual traffic spikes or resource usage. To protect your site, consider setting crawl-delay or disallow rules in robots.txt, applying rate limits, and using a WAF to block or challenge suspicious requests. If mj12bot's activity causes issues, you can block its user agent or IP.

This page provides a detailed lookup for the bot with the IP address of 195.191.219.133, based on real-world traffic observed across websites using Track-A-Bot software. Use this information to verify whether activity from this IP belongs to a legitimate search engine crawler, or to analyze bot behavior on your website.