Network Toolbox for Android

Network Toolbox is your one stop shop for all the tools you need to troubleshoot your network on the go.

Whois:

Lookup Whois information for any domain right from your android device.

Quickly check if a domain is available for registration by performing a Whois lookup

Choose from any of 254 known whois servers, or add and query your own.

Formatted Whois results to improve readability

DNS:

Forward and reverse DNS lookups.

Supported DNS record types: A, AAAA, APL, CNAME, DNAME, MX, LOC, NS, PTR, RP, SOA, SPF, SRV, TXT

DNSBL / RBL Black List Check:

Check any host or IP against over 60 DNSBL / RBL servers

Get TXT statistics for IP or domain from senderbase.org

Network Block Info (ARIN):

Get Network Block information for any host or IP.

Choose which Regional Internet Registry(RIR) to query for Network Block Information

Ping:

Ping any host or IP.

Also works on non-rooted devices from Android 4.3

Port Scan:

Scan a host or IP for Open ports

Scan progresses from Port 1 to 65535, but can be cancelled at any time. App will display results up to last scanned port.

External IP Address:

Find your external (Internet) IP address for the network you are currently connected to.

Geo Location:

Find the country, city, area code, region, metro, postal code, latitude and longitude of any IP address

View location coordinates on a map

CIDR Calculator:

Determine start and end addresses, address count, broadcast and network addresses for a CIDR address in the format xx.xx.xx.xx/yy

Test Email Server:

Test your email server's configuration. Check rDNS and banner matches, server security and response times.

Click here to read more about the RBL check, Geo IP and Email Server Test features: http://goo.gl/2Yjh94

Daytime and Quote of the Day (QOTD):

Supports getting date and time from any server supporting the Daytime protocol (RFC 867).

Supports reading Quote of the Day from servers supporting the QOTD protocol (RFC 865).

Other Features:

Extremely fast and light weight.

Easily share results from all tools with other apps on your device.

Allows text selection and copying of results

Designed for Android 4.0 (ICS) but also works with older Android versions

Based on the open source JFreeWhois project: code.google.com/p/jfreewhois/

Based on the open source dnsjava project: www.dnsjava.org