Track-A-Bot website logo and homepage link

Bot IP: 31.187.74.159

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: 46/100
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
  • 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: 1
  • ⏱️ Age: 0h

Penalties

  • ✅ No major spoof pattern
  • ✅ No fingerprint fields
  • ✅ Cookies not enabled
  • ✅ No connection type
Total visits: 1 First seen: Mar 24th, 2024 9:24 AM Last seen: Mar 24th, 2024 9:24 AM
Known Hostname(s)
ip-159-74-187-31.static.contabo.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
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?

The IP address 31.187.74.159, identified as 'mj12bot', has accessed this website using the user agent 'Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)'. According to publicly available information, mj12bot is a web crawler operated by Majestic, a company specializing in web link analysis. Crawlers like mj12bot typically visit websites to index content and analyze links for search and SEO purposes. If mj12bot is visiting your website, it is likely attempting to gather publicly available information for its database. To verify the legitimacy of these visits, consider checking the reverse DNS for the IP, reviewing the user agent string, and consulting the official mj12bot documentation. If unwanted, you can manage access through robots.txt, IP allow/block lists, or web application firewall (WAF) rules.

What does mj12bot do?

mj12bot is a web crawler designed to scan and index websites, primarily for the purpose of building a database of web links and analyzing site connectivity. This data is often used by SEO professionals and webmasters to understand link structures and website authority. The bot operates by visiting web pages, following links, and recording information about the content and structure of each site. The user agent and hostname associated with this IP suggest it is acting as mj12bot. To confirm its identity, review the user agent string, perform a reverse DNS lookup, and consult the official mj12bot website. Website owners can control or monitor its activity using robots.txt directives, IP filtering, or rate limiting.

Is mj12bot safe?

mj12bot is a widely recognized web crawler and is generally considered legitimate when following standard crawling practices. However, as with any automated traffic, it is important to verify the authenticity of the bot. This can be done by checking the reverse DNS of the IP address, confirming the user agent string, and comparing visit patterns to official documentation. If mj12bot is respecting robots.txt and not causing excessive load, it is typically safe. To mitigate any concerns, consider monitoring its activity, setting appropriate rate limits, updating robots.txt rules, and using a web application firewall to block or allow as needed.

This page provides a detailed lookup for the bot with the IP address of 31.187.74.159, 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.