TECH TOOLS & RESOURCES

PCPartPicker

Check PC component compatibility and plan computer builds
www.pcpartpicker.com

PassMark CPU Benchmark

Compare CPU performance and benchmark results
www.cpubenchmark.net

TechPowerUp

Research graphics cards, GPUs, specifications, BIOS information, and other PC hardware
www.techpowerup.com

Notebookcheck

Research and compare laptops, processors, graphics hardware, and mobile devices
www.notebookcheck.net

Crucial

Check compatible RAM and storage upgrades for supported computers
www.crucial.com

Kingston

Research compatible memory and storage products for computers and other devices
www.kingston.com

Speedtest by Ookla

Test download speed, upload speed, and latency
www.speedtest.net

Cloudflare Speed Test

Test speed, latency, jitter, and overall connection quality
speed.cloudflare.com

Fast.com

Run a quick and simple internet speed test
fast.com

Waveform Bufferbloat Test

Test latency and responsiveness while your internet connection is under load
www.waveform.com/tools/bufferbloat

Packet Loss Test

Test your connection for packet loss, latency, and jitter
packetlosstest.com

Cloudflare Radar

View internet traffic, outages, routing, security trends, and network activity
radar.cloudflare.com

MXToolbox

Check DNS, domains, MX records, SMTP, blacklists, and other network diagnostics
mxtoolbox.com

DNSChecker

Check DNS record propagation across DNS servers around the world
dnschecker.org

DNSLeakTest

See which DNS servers your connection is actually using
www.dnsleaktest.com

IntoDNS

Check a domain's DNS configuration and identify common DNS problems
www.intodns.com

dmarcian Tools

Check and troubleshoot DMARC, SPF, and DKIM email authentication
dmarcian.com/dmarc-tools

EasyDMARC Tools

Test and troubleshoot SPF, DKIM, DMARC, and other email security settings
easydmarc.com/tools

ICANN Lookup

Look up domain registration and registration-related information
lookup.icann.org

IPinfo

Look up IP ownership, ASN, network, and location information
ipinfo.io

ARIN Whois

Look up North American IP address and ASN registration information
search.arin.net

AbuseIPDB

Check whether an IP address has been reported for malicious or abusive activity
www.abuseipdb.com

VirusTotal

Check IP addresses, domains, URLs, and file hashes for security detections
www.virustotal.com

Cisco Talos Intelligence

Check IP and domain reputation and research security threats
www.talosintelligence.com

GreyNoise Visualizer

Investigate IP addresses and determine whether activity may be related to internet scanning
viz.greynoise.io

VirusTotal

Analyze suspicious files, URLs, domains, IP addresses, and hashes
www.virustotal.com

URLVoid

Check a website or domain against multiple reputation and security services
www.urlvoid.com

Have I Been Pwned

Check whether an email address appears in known data breaches
haveibeenpwned.com

CISA

Find cybersecurity alerts, advisories, vulnerabilities, and security guidance
www.cisa.gov

NIST

Access cybersecurity standards, frameworks, publications, and technical guidance
www.nist.gov

MITRE ATT&CK

Research cyberattack tactics, techniques, procedures, and threat behavior
attack.mitre.org

CVE Program

Look up standardized identifiers for publicly disclosed cybersecurity vulnerabilities
www.cve.org

NIST National Vulnerability Database

Research vulnerabilities, CVSS information, affected products, and related references
nvd.nist.gov

CanYouSeeMe

Check whether a TCP port on your network is reachable from the internet
www.canyouseeme.org

YouGetSignal

Use online tools for port testing and basic network troubleshooting
www.yougetsignal.com

IANA

Look up official TCP and UDP port assignments and other internet protocol information
www.iana.org

RFC Editor

Search and read official Internet RFC documents
www.rfc-editor.org

IETF

Research internet protocols, standards, drafts, and technical specifications
www.ietf.org

Wi-Fi Alliance

Research Wi-Fi technologies, generations, features, and certification programs
www.wi-fi.org

IEEE 802.11

Reference the IEEE standards and working group responsible for wireless LAN technologies
www.ieee802.org/11

Ubiquiti Design Center

Plan Wi-Fi coverage and network deployments using visual design tools
design.ui.com

ONVIF

Research IP camera interoperability standards and conformant surveillance products
www.onvif.org

VLC Media Player

Open and test supported RTSP and other network video streams
www.videolan.org/vlc

Seagate Surveillance Storage Calculator

Estimate storage requirements for surveillance camera recording
www.seagate.com/video-storage-calculator

SanDisk Surveillance Capacity Calculator

Estimate surveillance storage based on cameras, resolution, recording time, retention, and other settings
www.sandisk.com/en-us/tools/surveillance-capacity-calculator

IPVM

Research surveillance cameras, video security technology, and industry information
www.ipvm.com

Qualys SSL Labs

Test a website's SSL/TLS configuration and identify security weaknesses
www.ssllabs.com/ssltest

SecurityHeaders.com

Check the security-related HTTP headers configured on a website
securityheaders.com

Mozilla/MDN Observatory

Scan a website for common security configuration issues and recommended protections
developer.mozilla.org/en-US/observatory

crt.sh

Search Certificate Transparency logs for certificates issued to a domain
crt.sh

VirusTotal

Scan files and hashes using multiple security engines and threat-intelligence sources
www.virustotal.com

Hybrid Analysis

Analyze suspicious files and malware using an online sandbox environment
hybrid-analysis.com

ANY.RUN

Interactively analyze suspicious files and malware in an online sandbox
any.run

Joe Sandbox

Perform detailed automated malware and file analysis
www.joesandbox.com

MalwareBazaar

Research malware samples, hashes, and related threat information
bazaar.abuse.ch

Do not upload confidential files, customer information, credentials, or proprietary data to public malware-analysis services.

Microsoft Learn

Find official documentation for Windows, Microsoft 365, Entra, Intune, Azure, and other Microsoft products
learn.microsoft.com

Microsoft 365 Admin Center

Manage Microsoft 365 users, licenses, services, settings, and organization information
admin.microsoft.com

Microsoft Entra Admin Center

Manage identities, users, groups, authentication, Conditional Access, and other identity services
entra.microsoft.com

Microsoft Intune Admin Center

Manage enrolled devices, applications, compliance, configuration, and endpoint policies
intune.microsoft.com

Microsoft Azure Portal

Manage Azure resources, subscriptions, networking, storage, virtual machines, and services
portal.azure.com

Microsoft Security Response Center

Research Microsoft security vulnerabilities, advisories, and security updates
msrc.microsoft.com

Windows Release Health

Check Windows releases, known issues, safeguards, and update status
learn.microsoft.com/windows/release-health

Microsoft Remote Connectivity Analyzer

Test Microsoft 365, Exchange, Outlook, and related connectivity scenarios
testconnectivity.microsoft.com

Microsoft 365 Admin Center

Check Microsoft 365 service health, incidents, advisories, and administrative settings
admin.microsoft.com

Microsoft Defender Portal

Investigate security alerts, email threats, endpoints, incidents, and other Microsoft security information
security.microsoft.com

MXToolbox

Troubleshoot email delivery, MX records, SMTP, DNS, blacklists, and message headers
mxtoolbox.com

Backblaze

Review large-scale hard drive reliability statistics and storage information
www.backblaze.com

Seagate Support

Find drive documentation, downloads, troubleshooting information, and support tools
www.seagate.com/support

Western Digital Support

Find Western Digital drive documentation, software, troubleshooting, and support information
www.westerndigital.com/support

Samsung Semiconductor

Research Samsung SSD specifications, storage technology, and related resources
semiconductor.samsung.com

SNIA

Research storage technologies, standards, terminology, and technical resources
www.snia.org

Subnet Calculator

Calculate IPv4 networks, subnet masks, host ranges, and related subnet information
www.subnet-calculator.com

IP Calculator

Calculate CIDR networks, subnet masks, network addresses, broadcast addresses, and host ranges
www.jodies.de/ipcalc

MXToolbox

Access network, DNS, IP, subnet, and other diagnostic utilities
mxtoolbox.com

RIPEstat

Research IP addresses, ASNs, routing information, and internet resource data
stat.ripe.net

Downdetector

Check crowd-reported outages for internet providers, websites, and online services
www.downdetector.com

Cloudflare Status

Check the current operational status of Cloudflare services
www.cloudflarestatus.com

Microsoft Azure Status

Check current Azure service availability and reported incidents
azure.status.microsoft/status

Google Cloud Status

Check Google Cloud service incidents and availability
status.cloud.google.com

AWS Health

Check the current health and availability of Amazon Web Services
health.aws.amazon.com/health/status