Extrion Terminal · Help Centre

Network Tools

ping, nslookup, dig, DNS health, SSL, HTTP checks, a port scan of your own connection and a speed test.

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11 commands

COMMAND `ping`

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Description

Times four TCP connections from Extrion’s server to a public host (port 443, or 80) and shows the replies and average time. Websites cannot send ICMP pings, so this measures the same thing a safer way.

Usage

ping <host>

Parameters

<host> A domain name or public IP address.

Examples

ping extrion.co.tz ping 1.1.1.1

Related

traceroute httpcheck speedtest

COMMAND `traceroute`

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Description

Explains why tracing every router hop needs low-level network access that websites do not have, and what to use instead.

Usage

traceroute <host>

Parameters

<host> A domain name or public IP address.

Examples

traceroute extrion.co.tz

Aliases

tracert

Related

ping routes

COMMAND `nslookup`

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Description

Looks up a domain’s IPv4 and IPv6 addresses and any alias (CNAME), like the classic nslookup command.

Usage

nslookup <domain>

Parameters

<domain> A domain name, e.g. extrion.co.tz. A full web address also works.

Examples

nslookup extrion.co.tz

Related

dig dns ping

COMMAND `dig`

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Description

Shows the DNS records of one type for a domain, with their time-to-live. Types: A, AAAA, CNAME, MX, NS, TXT, SOA and CAA (default A), or ANY for all of them.

Usage

dig <domain> [type]

Parameters

<domain> A domain name, e.g. extrion.co.tz. A full web address also works.
[type] A, AAAA, CNAME, MX, NS, TXT, SOA, CAA or ANY.

Examples

dig extrion.co.tz dig extrion.co.tz MX

Related

nslookup dns dnscheck

COMMAND `dnscheck`

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Description

Checks name servers, addresses, mail servers, SPF, DMARC and CAA records and flags anything missing or wrong.

Usage

dnscheck <domain>

Parameters

<domain> A domain name, e.g. extrion.co.tz. A full web address also works.

Examples

dnscheck extrion.co.tz

Related

dns securitycheck dig

COMMAND `portscan`

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Description: Checks 20 common ports (SSH, Remote Desktop, databases…) on your own public IP address from Extrion’s server, to show what your router exposes to the internet. For safety it never scans other hosts.
Usage: portscan
Examples: portscan
Aliases: nmap
Related: firewall myip securitycheck

COMMAND `httpcheck`

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Description

Requests a web address once and shows its status code, response time, content type, server and redirect target.

Usage

httpcheck <url>

Parameters

<url> A web address, e.g. https://extrion.co.tz. Without https:// it is added for you.

Examples

httpcheck https://extrion.co.tz

Aliases

curl

Related

headers redirect webcheck

COMMAND `sslcheck`

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Description

Shows whether a site’s certificate is trusted, who issued it, when it expires, the names it covers and the TLS connection used.

Usage

sslcheck <domain>

Parameters

<domain> A domain name, e.g. extrion.co.tz. A full web address also works.

Examples

sslcheck extrion.co.tz

Related

ssl tlscheck securitycheck

COMMAND `speedtest`

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Description: Measures latency and download speed between your device and Extrion’s web server, in your browser. Results depend on your connection, Wi-Fi and the route to Extrion.
Usage: speedtest
Examples: speedtest
Aliases: speed
Related: ping netstat myisp

COMMAND `netstat`

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Description: Shows what your browser reports about your connection: online status, connection type, estimated speed and round-trip time. Open sockets are never visible to websites.
Usage: netstat
Examples: netstat
Related: speedtest localip

COMMAND `routes`

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Description: Explains why your device’s routing table is not visible to websites, and what you can check instead.
Usage: routes
Examples: routes
Aliases: route print
Related: traceroute ping

Network Tools

11 commands

COMMAND `ping`

COMMAND `traceroute`

COMMAND `nslookup`

COMMAND `dig`

COMMAND `dnscheck`

COMMAND `portscan`

COMMAND `httpcheck`

COMMAND `sslcheck`

COMMAND `speedtest`

COMMAND `netstat`

COMMAND `routes`

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