Name

URL

Comment

SSL/TLS Test

https://www.ssllabs.com/ssltest/

SSL/TLS Test

https://ssl-tools.net/

Check SSL sites

https://www.sslchecker.com

Name

URL

Comment

HTTP headers Test

https://securityheaders.com/

IPLeak

https://ipleak.net/

Show what you are leaking

IPX

https://ipx.ac/run

Gives all the information about your browser

WebRTC

https://browserleaks.com/webrtc

WebRTC test

Panopticlick

https://panopticlick.eff.org

Is your browser safe against tracking?

Name

URL

Comment

Subdomain finder

https://subdomainfinder.c99.nl/

Find hidden subdomains

DNS lookup

https://www.ultratools.com/tools/dnsLookup

DNS report

DNS lookup

https://dnslookup.online/

A lot of different DNS lookup types

DNS History

https://completedns.com/

See the history of a domain

DNS leak test

https://dnsleak.com

DNSSEC analyser

https://dnssec-analyzer.verisignlabs.com/

Visualisation of DNS Sec

Name

URL

Comment

SPF Wizard

https://www.spfwizard.net/

Generate your SPF records

TLSA Record Generator

https://ssl-tools.net/tlsa-generator

Generate your TLSA records

Name

URL

Comment

Wordpress security check

https://wpsec.com/

Check a wordpress site

Get website screenshot

https://screenshot.guru/

Makes no request to the original site

View HTTP request en respond

 https://websniffer.cc/

Makes no request to the original site

Name

URL

Comment

Multiple lookups

https://www.yougetsignal.com

Not sure if it's working

Multiple lookups

https://ipinfo.info