SeznamBot crawler

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/)

FreshBot is a fast crawler designed to index pages and RSS feeds containg fresh content relevant for many users. Such pages are mostly found on news websites.

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/)

IP addresses

SeznamBot
IPv4 IPv6
  77.75.76.x   2a02:598:aaaa:2::x 
  77.75.77.x   2a02:598:bbbb:2::x 
  77.75.78.x
  77.75.79.x
 
FreshBot
IPv4
77.75.77.31
77.75.79.31
 
Test version
IPv4
  77.75.73.26


By typing command "host fulltextrobot.seznam.cz" in the command line you can see all SeznamBot's IP addresses under reverse DNS lookup.

PTR records

  • SeznamBot - fulltextrobot-77-75-77-xxx.seznam.cz, fulltextrobot-77-75-79-xxx.seznam.cz
  • FreshBot - fulltextrobot-fresh-77-75-77-xxx.seznam.cz, fulltextrobot-fresh-77-75-79-xxx.seznam.cz
  • Test version - fulltextrobot-test-77-75-73-26.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 PhantomJS (compatible; Seznam screenshot-generator 2.1;
      +http://fulltext.sblog.cz/screenshot/)
Mozilla/5.0 (compatible; Seznam screenshot-generator 2.0; +http://fulltext.sblog.cz/screenshot/)
Mozilla/5.0 (compatible; Seznam screenshot-generator 2.1; +http://fulltext.sblog.cz/screenshot/)
Mozilla/5.0 (Linux; U; Android 4.1.2; cs-cz; Seznam screenshot-generator Build/Q3) 
      AppleWebKit/534.30 (KHTML, like Gecko) Version/4.0 Mobile Safari/534.30


IP address of the screenshot-generator is:

IPv4
77.75.77.123
77.75.77.174
77.75.77.200
77.75.79.123
77.75.79.200
IPv6
2a02:598:2::1123
2a02:598:2::1200


PTR record of this version is:

  • screenshotgenerator-77-75-77-123.seznam.cz
  • screenshotgenerator-77-75-77-174.seznam.cz
  • screenshotgenerator-77-75-77-200.seznam.cz
  • screenshotgenerator-77-75-79-123.seznam.cz
  • screenshotgenerator-77-75-79-200.seznam.cz
  • screenshotgenerator-2a02-598-2--1123.seznam.cz
  • screenshotgenerator-2a02-598-2--1200.seznam.cz

SeznamReadLaterBot

SeznamReadLaterBot is a job, which generate title, perex or picture for Read it later funkcion in our Seznam browser.

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