Track-A-Bot website logo and homepage link

Bot IP: 195.191.219.130

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: 2055
  • ⏱️ Age: 15282h

Penalties

  • ✅ No major spoof pattern
  • ✅ No fingerprint fields
  • ✅ Cookies not enabled
  • ✅ No connection type
Total visits: 2,055 First seen: Mar 16th, 2024 12:39 AM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
crawl-mwx5un.mj12bot.com
Known User Agent(s)
Mozilla/5.0 (compatible; MJ12bot/v2.0.0; http://mj12bot.com/)
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; 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 several pages and your /robots.txt file, which is typical behavior for search engine or research crawlers. The user agent string identifies it as 'MJ12bot/v2.0.0' and the hostname resolves to 'crawl-mwx5un.mj12bot.com'. Bots like mj12bot generally crawl websites to index content for search engines or data analysis. If you want to control its access, you can use the robots.txt file to allow or disallow specific paths. Monitoring your server logs and setting rate limits can help manage its impact on your site.

What does mj12bot do?

mj12bot is a web crawler that collects information from websites. Based on its user agent and hostname, it appears to be operated by Majestic, a company known for building web indexes and link intelligence tools. The bot visits various pages and checks your robots.txt file to see what is allowed. Its main function is likely to gather data about your site's structure and links for search or research purposes. If you want to verify its identity, you can perform a reverse DNS lookup on its IP address and check if it matches the claimed hostname. You can also review its documentation at http://mj12bot.com/ for more details.

Is mj12bot safe?

mj12bot is a known web crawler, and its user agent and hostname match public information about the bot. There are no immediate signs of malicious activity in the provided logs, but as with any automated traffic, it's wise to be cautious. To ensure safety: 1) Check your server logs for unusual or excessive requests. 2) Use robots.txt to control what mj12bot can access. 3) Set rate limits to prevent server overload. 4) Consider using a Web Application Firewall (WAF) for extra protection. 5) Verify the bot's identity by checking its IP and hostname. If you notice unwanted behavior, you can block the bot using your server or firewall settings.

This page provides a detailed lookup for the bot with the IP address of 195.191.219.130, 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.