Online Tools

Web Shell

• https://shell.ps2traders.com:4200

Shodan Scanner

• https://www.shodan.io/

Cricket Liu's DNS Advisor

• http://ww2.infoblox.com/services/dns_advisor_tool.cfm

Network Tools

• http://bgp.he.net/

Email DKIM/SPF Tests

• http://www.kitterman.com/spf/validate.html
• https://www.mail-tester.com/spf-dkim-check
• http://dkimvalidator.com

DMARC Tests

• https://stopemailfraud.proofpoint.com/dmarc/?lookup=ps2traders.com

SPF Generators

• http://www.microsoft.com/mscorp/safety/content/technologies/senderid/wizard/default.aspx
• http://spfwizard.com/

DKIM Generator

• http://dkimcore.org/tools/

Reverse DNS Lookup

• http://mxtoolbox.com/ReverseLookup.aspx

DNS Cache Check

• http://cachecheck.opendns.com/

Local Area Bandwidth Quality

• https://www.google.com/get/videoqualityreport

Online Linux Shell

• http://www.tutorialspoint.com/unix_terminal_online.php

DNS Leak Test

• https://www.dnsleaktest.com

SSH Security Test

ssh whoami.filippo.io

IPV6 Check

• https://ip6.nl/

SEO Checker

• https://seositecheckup.com

Free SSL Certs

• https://certbot.eff.org