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Extrion Terminal · Help Centre

Domain Tools

Domain availability, DNS records, headers, website health, robots.txt, sitemaps, technology and redirects.

Open the terminal

9 commands

COMMAND domaincheck

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Description
Asks the domain registry whether a name is registered or still available, using the same check as the Extrion domain search.
Usage
domaincheck <domain>
Parameters
  • <domain> A domain name, e.g. extrion.co.tz. A full web address also works.
Examples
domaincheck mybusiness.co.tz
Related
whois extrion services hosting

COMMAND dns

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Description
Lists the A, AAAA, CNAME, MX, NS, TXT, SOA and CAA records of a domain in one view.
Usage
dns <domain>
Parameters
  • <domain> A domain name, e.g. extrion.co.tz. A full web address also works.
Examples
dns extrion.co.tz
Related
dig dnscheck nslookup

COMMAND headers

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Description
Shows the HTTP response headers a website sends. Cookie values are hidden.
Usage
headers <domain|url>
Parameters
  • <url> A web address, e.g. https://extrion.co.tz. Without https:// it is added for you.
Examples
headers extrion.co.tz
Related
headerscan httpcheck techstack

COMMAND webcheck

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Description
Checks DNS, HTTPS, the HTTP to HTTPS redirect, the certificate and HSTS for a website in one go.
Usage
webcheck <domain>
Parameters
  • <domain> A domain name, e.g. extrion.co.tz. A full web address also works.
Examples
webcheck extrion.co.tz
Related
securitycheck httpcheck sslcheck

COMMAND ssl

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Description
The same certificate check as sslcheck: trust, issuer, expiry, covered names and TLS connection.
Usage
ssl <domain>
Parameters
  • <domain> A domain name, e.g. extrion.co.tz. A full web address also works.
Examples
ssl extrion.co.tz
Related
sslcheck tlscheck extrion services hosting

COMMAND robots

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Description
Fetches a website’s robots.txt and counts its crawler groups, blocked paths and listed sitemaps.
Usage
robots <domain>
Parameters
  • <domain> A domain name, e.g. extrion.co.tz. A full web address also works.
Examples
robots extrion.co.tz
Aliases
robots.txt
Related
sitemap techstack

COMMAND sitemap

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Description
Finds a website’s XML sitemap (from robots.txt or /sitemap.xml), counts its pages and shows the first ten.
Usage
sitemap <domain>
Parameters
  • <domain> A domain name, e.g. extrion.co.tz. A full web address also works.
Examples
sitemap extrion.co.tz
Aliases
sitemap.xml
Related
robots tree

COMMAND techstack

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Description
Spots technology signals in a website’s public headers and HTML: hosting, CDN, server, framework, CMS and analytics. It is a best guess, as sites can hide them.
Usage
techstack <domain|url>
Parameters
  • <url> A web address, e.g. https://extrion.co.tz. Without https:// it is added for you.
Examples
techstack extrion.co.tz
Aliases
builtwith wappalyzer
Related
headers extrion stack

COMMAND redirect

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Description
Follows a web address through each redirect (up to 10) and shows every status code and address on the way.
Usage
redirect <domain|url>
Parameters
  • <url> A web address, e.g. https://extrion.co.tz. Without https:// it is added for you.
Examples
redirect http://extrion.co.tz
Aliases
redirects
Related
httpcheck headers
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