Bot IP: 195.191.219.131
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
100
score
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: 1923
- ⏱️ Age: 15251h
Penalties
- ✅ No major spoof pattern
- ✅ No fingerprint fields
- ✅ Cookies not enabled
- ✅ No connection type
Total visits: 1,923 First seen: Mar 17th, 2024 7:38 AM Last seen: Dec 12th, 2025 7:23 PM
Known Hostname(s)
crawl-lrsstc.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
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
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
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
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
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
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
ident
16 seen
First
3/2/25
Last
12/12/25
m08fnqhytir7
16
3/2/25
12/12/25
m08fnqhytir7
16 seen
m08fnqhytir7
16 seen
First
3/2/25
Last
12/12/25
unknown
12
5/28/25
12/12/25
unknown
12 seen
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
First
3/16/24
Last
12/12/25
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 user agent string (Mozilla/5.0 (compatible; MJ12bot/v2.0.0; http://mj12bot.com/)) and reverse DNS (crawl-lrsstc.mj12bot.com), this bot is likely operated by Majestic, a company known for building web link intelligence and search indexes. The bot typically requests your homepage, robots.txt, and some content pages to gather information about your site structure and links. If you do not want mj12bot to access your site, you can disallow it in your robots.txt file. To manage its impact, consider rate limiting, monitoring its activity, or blocking it via your firewall if necessary.
What does mj12bot do?
mj12bot is a web crawler that scans websites to collect data, primarily for building search indexes and analyzing web links. Its visits usually involve fetching your site's robots.txt file and various pages to map out links and site structure. The user agent and hostname suggest it is operated by Majestic. This bot does not interact with users or perform malicious actions by default, but it can increase server load. You can control its access using robots.txt, monitor its requests, and set rate limits to reduce resource usage. If you want to verify its legitimacy, check the reverse DNS and user agent details.
Is mj12bot safe?
Based on the user agent and reverse DNS, mj12bot appears to be a legitimate crawler, not known for malicious activity. However, as with any automated bot, it can cause increased server load or bandwidth usage. To ensure safety: 1) Verify the bot’s identity by checking reverse DNS and user agent; 2) Use robots.txt to control its access; 3) Implement rate limiting to prevent excessive requests; 4) Monitor your server logs for unusual behavior; 5) Consider using a web application firewall (WAF) for added protection. If you notice unwanted activity, you can block its IP or user agent.
This page provides a detailed lookup for the bot with the IP address of 195.191.219.131, 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.