DNS
DNS DNS - domain name system, a system for locating a web site.

DNS - domain name system. This system helps to find a real server by virtual site name. The system is realized by the hierarchy of DNS servers, each of them holds information about specific domains and may delegate such role to lower stage servers. Let's take, for example, site www.host-tracker.com. The upper domain is .com, so the request is made to the server, which is responsible for all .com sites. It knows where each site is located, or at least, where is another server, which knows for sure. If you get "Server not found" message, that means no record exists on the DNS server for the site name you've requested.

Each time you enter an address into the browser - a DNS request is made, in order to find where the site is located. To make this process faster, DNS data can be saved into a cache. If you own a site and decide to change its name for some reason, or if you have just created the new one - you should keep in mind that DNS cache needs some time to be updated globally. Usually, it happens within couple of hours, but it can take up to 48 hours. That's why sometimes a newly-hosted site can not be visible for some time.

  • CM.Glossary.WebsiteMonitoring
  • CM.Glossary.Uptime
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I rely on HostTracker to monitor my servers so I can sleep at night

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How to activate API for your Host-Tracker account

HostTracker API uses widespread XML and JSON formats. Interactions with API are made by HTTP methods GET, POST, PUT, DELETE, PATCH.

To activate API for your HostTracker account, one should write a request to ht2support@host-tracker.com, with the login specified.

Host-tracker API

API stands for "application programming interface". It is one of the features for HostTracker website monitoring service, which is implemented in preset list of HTTP requests and HTTP responses for maintaining and adjusting HostTracker features for your convenience. It provides possibility to develop applications which will automatically cooperate with HostTracker service, instead of manual adjustments via user interface.
HostTracker API uses widespread XML and JSON formats. Interactions with API are made by HTTP methods GET, POST, PUT, DELETE, PATCH.

To activate API for your HostTracker account, one should write a request to ht2support@host-tracker.com, with the login specified.

REST API description:

https://www.host-tracker.com/api/web/help.html

SOAP API description:

www.host-tracker.com/api/soap/v1/help.html

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Home > Glossary > DistributedMonitoring
Distributed Monitoring Distributed monitoring is a method of website monitoring when the checking is performed from several locations.

Distributed monitoring is a method of website monitoring when the checking is performed from several locations. The main purpose for this is to exclude errors of checking server (which is always possible) from the site statistic and provide more precise result. Usually it is realized through the network of independent servers which check the sites one-by-one or simultaneously. The advangtages of such checks are listed below:

Checks are happening from different locations, just like the real users do.

If a single check fails - others may prove or decline the failure. So, probability of false downtimes is really low.

It is possible to overview the access and download speed from different countries and cities.

Possibility to catch network-related or DNS problems: site might be visible from your computer, but are you sure it works for everyone?

  • CM.Glossary.WebsiteMonitoring
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