Welcome to Michael Peer's Information Page


Last Updated November 03, 2023

National Suicide Prevention Lifeline
From their website: The lifeline provides 24/7, free confidential support for people in distress, prevention and crisis.
Suicide is different help website
From their website: We provide support for suicide caregivers. Our tools will help you if you are worried about someone struggling with thoughts of suicide.

What SSL
SSL information about a URL.
W3C CSS Validator Service
Web Interface to validate your Cascading Style Sheets and (X)HTML documents with style sheets
W3C Markup Validation Service
Web Interface to validate your HTML and other markup languages
W3C Feed Validation Service
Web Interface to validate your RSS or Atom Feed
Watchfire WebXACT to test bobby compliance (Commercial)
This is the only link I can find to test for Bobby compiance. It is commercial company. It only tests one web page. ( Use at own risk )
Sun Java Version verifier
Free tool to verify that Java is working on your browser and what version.
DNS Tools -- Tool to verify your DNS.
Web Interface wth various tools for DNS. A fun one is how old your domain name is.
Network Calculator on Internet
Web interface to calculate subnet, and supernet numbers on the Internet.
IP subnet Calculator on Internet
Web interface to calculate subnet numbers on the Internet. Not as many options as previous entry. -- Thanks Sammy!
Cloudflare speed test
Cloudflare speed test that also shows jitter.
MegaPath Bandwidth Meter (was speakeasy.net)
MegaPath Bandwidth meter for testing the speed of your Internet Link.
Speed test by Ookia
Nice looking speed test by Ookia to the speed of your Internet Link. It requires flash, and javascript.
Down Detector website
A Nice website listing many services and reports if they are down or not. Requires javascript.
ISO Country Codes
Link to a list of ISO country codes. That domain name with .tm is not trademark, but Turkmenistan.
Location of ROOT NAME Servers
Link to a page showing approximate location of the ROOT NAME Servers.
List of Public DNS Servers
Cloudflare: 1.1.1.1
Google: 8.8.8.8 8.8.4.4
Huricane Electric: 74.82.42.42
Level3: 209.244.0.3, 209.244.0.4
OpenDNS: 208.67.222.222, 208.67.220.220
Verisign: 64.6.64.6, 64.6.65.6
Verizon: 4.2.2.1, 4.2.2.6
Operational registrars for .com, .org, .net
Link to a page showing the list of operational registrars for Top Level Domain( TLD) .com, .org, and .net.
Network Solutions
Link to a Network Solutions's home page. Network Solutions provides registry services.
Network Solutions whois page
Link to a Network Solutions's whois page.
ARIN
Link to a ARIN's home page. ARIN provides IP registration for US and others.
ARIN list of countries and regions
Link to a ARIN's page that lists countries on regional registries for them.
ARIN whois page
Link to a page into ARIN's database of information on IP address alocations.
IANA
Link to a IANA's home page.
IANA URI Schemes
Link to a IANA's Uniform Resource Identifer (URI) Schemes page.
Website listing bogon IPs. IPs that are never on the public Internet.
Link to CYMRU website that lists bogon IPs on the Internet.
overthewire.org
Website offering fun games to teach security concepts. Start with Bandit that is easy, then do Natas. No cheating even if it takes you days to figure out the answer.

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