Bot IP: 158.220.111.40
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.
Unverified
Track-A-Bot Trust Score: 61/100
61
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
- ℹ️ Hostname does not resemble bot name
- ℹ️ Hostname status not verified
- ✅ No hostname mismatch flags
Behavior
- ℹ️ No /robots.txt request observed
- ✅ No referrer (typical crawler behavior)
- ⚠️ Many non-200/304 responses
- 📌 Visits: 2
- ⏱️ Age: 0h
Penalties
- ✅ No major spoof pattern
- ✅ No fingerprint fields
- ✅ Cookies not enabled
- ✅ No connection type
Total visits: 2 First seen: Mar 21st, 2024 7:29 AM Last seen: Mar 21st, 2024 7:29 AM
Known Hostname(s)
vmi2954484.contaboserver.net
Known User Agent(s)
Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)
Known Accepted Language(s)
en
Known Accepted Encoding(s)
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 a web crawler that visits websites to collect publicly available information, typically for the purpose of building a search index or analyzing web content. The visit records show that mj12bot, using the user agent 'Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)', accessed various pages on the site. This behavior is consistent with automated crawling activity. If you want to verify the legitimacy of these visits, consider checking the reverse DNS of the IP address (158.220.111.40), reviewing the user agent string, and consulting the official mj12bot documentation. To manage or control such visits, update your robots.txt file, use allow/block lists, and monitor your server logs for unusual patterns.
What does mj12bot do?
mj12bot is an automated bot designed to crawl and index web pages. According to its user agent and public information, mj12bot is operated by Majestic, a company known for web link analysis and SEO tools. The bot systematically visits websites to gather data about links and site structure, which may be used for search engine optimization and analytics services. To confirm the bot’s identity, check the user agent string and perform a reverse DNS lookup on the IP address. If you wish to control its access, update your robots.txt file with appropriate directives, consider adding the IP to allow or block lists, and monitor access frequency to prevent unwanted load.
Is mj12bot safe?
mj12bot is generally recognized as a legitimate web crawler, but as with any automated traffic, it is important to verify its authenticity and monitor its behavior. The user agent and hostname suggest it is mj12bot, but these can be spoofed. To confirm, perform a reverse DNS lookup on 158.220.111.40 and compare it with official documentation. If the bot is causing excessive traffic or issues, consider implementing rate limiting, updating your robots.txt file, or blocking the IP address. Regularly review server logs and use web application firewall (WAF) rules to mitigate any unwanted or suspicious activity.
This page provides a detailed lookup for the bot with the IP address of 158.220.111.40, 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.