Track-A-Bot website logo and homepage link

Bot IP: 192.99.14.159

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.
Verified bot
Track-A-Bot Trust Score: 95/100
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

  • ✅ Requested /robots.txt
  • ✅ No referrer (typical crawler behavior)
  • ✅ Mostly 200/304 responses
  • 📌 Visits: 64
  • ⏱️ Age: 12455h

Penalties

  • ✅ No major spoof pattern
  • ✅ No fingerprint fields
  • ✅ Cookies not enabled
  • ✅ No connection type
Total visits: 64 First seen: Mar 27th, 2024 3:20 PM Last seen: Aug 28th, 2025 2:24 PM
Known Hostname(s)
ns506488.ip-192-99-14.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?

mj12bot is a web crawler that visits websites to collect information for indexing and analysis. According to recent logs, mj12bot accessed various pages and robots.txt files on multiple dates, using the user agent 'Mozilla/5.0 (compatible; MJ12bot/v1.4.8; http://mj12bot.com/)'. This behavior is typical for search and research bots that gather publicly available data. If mj12bot is visiting your website, it is likely attempting to index your content or analyze your site's structure. To verify its legitimacy, check the reverse DNS for the IP (192.99.14.159) to see if it matches known mj12bot hostnames, review your server logs for visit patterns, and consult the official mj12bot website for more information. If you wish to control its access, update your robots.txt file, implement IP allow/block lists, or set up rate limiting.

What does mj12bot do?

mj12bot is an automated web crawler operated by Majestic, a company specializing in web link intelligence and SEO data. The bot systematically scans websites to collect information about site structure and backlinks, which is then used to build a searchable web index. This index is often used for SEO analysis and competitive research. Based on the user agent and hostname observed in recent visits, mj12bot follows standard crawling practices, including checking robots.txt files for site rules. Website owners can manage mj12bot's access by specifying directives in robots.txt, monitoring server logs for its activity, and using firewall or WAF rules if necessary.

Is mj12bot safe?

mj12bot is generally recognized as a legitimate web crawler and is widely used for SEO and web analytics purposes. Its user agent and hostname can be verified for authenticity, and it typically respects robots.txt directives. However, as with any automated traffic, it is important to monitor its behavior to ensure it does not negatively impact site performance. To verify safety, perform a reverse DNS lookup on the IP address (192.99.14.159) to confirm it resolves to a known mj12bot domain, check for excessive or unusual crawling patterns, and review your site's access controls. If unwanted, mj12bot can be blocked via robots.txt, IP filtering, or rate limiting.

This page provides a detailed lookup for the bot with the IP address of 192.99.14.159, 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.