SeznamBot crawler

Here you can find some basic information about our web crawler called SeznamBot.

Contents

SeznamBot

SeznamBot is a robot (also known as web crawler or web spider) – a program that retrieves content for our search engine. In your access logs you can identify it by this string:

  • Mozilla/5.0 (compatible; SeznamBot/3.2; +http://napoveda.seznam.cz/en/seznambot-intro/)


It comes from its own IP addresses:

IPv4 IPv6
• 77.75.74.x • 2a02:598:a::78:x
• 77.75.76.x • 2a02:598:a::79:x
• 77.75.77.x • 2a02:598:2::x
• 77.75.78.x
• 77.75.79.x


and uses PTR records of the following form:

  • fulltextrobot-77-75-77-xxx.seznam.cz
  • fulltextrobot-fresh-77-75-77-xxx.seznam.cz

Test version

Occasionally you can come accross a test version of our SeznamBot in your access log, which you'll recognize by the following User-Agent string:

  • Mozilla/5.0 (compatible; SeznamBot/3.2-test4; +http://napoveda.seznam.cz/en/seznambot-intro/)


Its IP address is 77.75.74.41 and the PTR record of this version is:

  • fulltextrobot-test-77-75-74-41.seznam.cz

Screenshot-generator

Another one of our robots is the screenshot-generator. Its name is quite self-explanatory – it takes screenshots of web pages to be displayed on search engine results page. You can identify it in your access logs by this User-Agent string:

  • Mozilla/5.0 (compatible; Seznam screenshot-generator 2.0; +http://fulltext.sblog.cz/screenshot)


IP address of the screenshot-generator is 77.75.77.123 and its PTR record is screenshotgenerator-77-75-77-123.seznam.cz.

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