Network utility hub
Start with the vendor task script generator, generate strong credentials when needed, then run prioritized BGP/RPKI, cloud, DNS, email, TLS, HTTP, firewall, VPN, port, availability, and subnet checks before deeper engineering work begins.
56focused utilities
Vendor scripts
Security
Cloud paths
DiagnosticsChoose a tool
Each tool is built as a focused starting point: enter the domain, IP, URL, CIDR, report, rule, or vendor context and use the result to decide the next engineering action.
Network automation tools
Generate operator-ready command plans for common Cisco, FortiGate, and Juniper troubleshooting tasks such as packet capture, interface evidence, route checks, and VPN evidence.
Open toolCybersecurity tools
Generate private random passwords, passphrases, Wi-Fi keys, recovery codes, PINs, and API tokens locally in your browser for real security workflows.
Open toolBGP security tools
Validate whether an ASN is authorized to originate a public prefix and flag RPKI invalid or missing ROA signals.
Open toolBGP intelligence tools
Look up ASN or public IP routing context, announced prefix signals, and operator intelligence links.
Open toolBGP intelligence tools
Build a routing anomaly review for an ASN or prefix using public route-visibility evidence and escalation logic.
Open toolGlobal network tools
Create a global traceroute evidence plan for India, US, Europe, Middle East, and Singapore troubleshooting.
Open toolGlobal network tools
Plan multi-region latency, jitter, and packet-loss measurements for cloud, VPN, SaaS, and SASE paths.
Open toolDNS tools
Compare DNS answers from multiple public resolvers to validate propagation, resolver drift, and migration status.
Open toolEmail security tools
Check MX records and build a mail transport TLS review for domains that need secure SMTP delivery.
Open toolEmail security tools
Check TLSA records for DANE-enabled SMTP, HTTPS, or custom TLS services and review DNSSEC-backed certificate binding signals.
Open toolEmail security tools
Check MTA-STS policy and SMTP TLS reporting records for modern email transport protection.
Open toolEmail network tools
Combine MX, SPF, DMARC, MTA-STS, TLS-RPT, reverse DNS, and SMTP reachability signals in one email health view.
Open toolThreat intelligence tools
Check public IP reputation indicators, DNSBL-style listing signals, and abuse-review next steps.
Open toolCloud network tools
Check whether an IP belongs to AWS, Google Cloud, or Cloudflare public ranges and return provider metadata.
Open toolCloud network tools
Generate firewall allowlist objects for cloud provider ranges by provider, region, service, and vendor format.
Open toolNetwork planning tools
Detect overlapping IPv4 CIDR ranges before VPN, cloud migration, merger, VPC, or firewall object work.
Open toolNetwork planning tools
Aggregate IPv4 CIDR ranges into cleaner route, firewall, and ACL summaries where safe.
Open toolNetwork planning tools
Calculate IPv6 network range, compressed/expanded form, prefix size, and subnet planning guidance.
Open toolNetwork troubleshooting tools
Calculate practical MTU and TCP MSS values for IPsec, GRE, VXLAN, WireGuard, PPPoE, and SD-WAN paths.
Open toolWebsite performance tools
Check Alt-Svc and DNS HTTPS/SVCB signals that indicate HTTP/3 and QUIC readiness.
Open toolWebsite security tools
Analyze Content-Security-Policy headers for unsafe inline script, wildcards, framing, and report coverage.
Open toolWebsite security tools
Check CORS response headers for wildcard, reflected origin, and credential-risk patterns.
Open toolFirewall tools
Paste sanitized firewall rules to detect duplicate, shadowed, broad, and risky rule patterns.
Open toolVPN tools
Review VPN/IPsec proposal settings for common interoperability, security, and troubleshooting risks.
Open toolNetwork automation tools
Generate tcpdump, Wireshark, FortiGate sniffer, Cisco ACL, and ASA capture filters from one scenario.
Open toolSD-WAN tools
Score latency, jitter, and packet loss against voice, video, SaaS, ERP, and bulk-transfer path needs.
Open toolEmail security tools
Paste a DMARC aggregate XML report to summarize sources, alignment, pass/fail counts, and policy movement.
Open toolDNS tools
Check public A, AAAA, MX, NS, and TXT records for a domain from the QuantumCrafters network diagnostics layer.
Open toolDNS tools
Check IPv4 A records for a public domain to confirm web, VPN, mail, or application reachability.
Open toolDNS tools
Check IPv6 AAAA records for a public domain to validate dual-stack network readiness.
Open toolDNS tools
Check canonical name records to validate SaaS, CDN, migration, and cloud hostname mappings.
Open toolDNS tools
Check authoritative name server records for a domain before migration, delegation, or outage review.
Open toolDNS tools
Inspect public TXT records used by email security, domain verification, SaaS, and ownership workflows.
Open toolDNS tools
Check the start-of-authority record to review DNS ownership, serial, refresh, retry, and expiry values.
Open toolDNS tools
Check SRV records for services such as SIP, LDAP, Kerberos, XMPP, Microsoft 365, and identity platforms.
Open toolDNS security tools
Check whether a domain publishes DS records that connect the parent zone to DNSSEC validation.
Open toolEmail network tools
Inspect mail exchanger records, priority order, and mail routing signals for business email delivery troubleshooting.
Open toolEmail security tools
Check whether a domain publishes SPF and DMARC records before email spoofing, phishing, and deliverability problems become visible.
Open toolEmail security tools
Check a DKIM selector record to validate email signing readiness and domain authentication evidence.
Open toolEmail security tools
Parse a DMARC record to review policy, alignment, reporting, sampling, and enforcement readiness.
Open toolEmail security tools
Check BIMI DNS records used for verified brand indicators in supported mailbox providers.
Open toolCybersecurity tools
Inspect a public website certificate, issuer, validity window, expiry risk, and TLS connection details.
Open toolCybersecurity tools
Check whether a public HTTPS endpoint supports modern TLS versions and reports negotiated protocol details.
Open toolWebsite security tools
Check a public URL for security headers such as HSTS, CSP, X-Frame-Options, Referrer-Policy, and Permissions-Policy.
Open toolWebsite security tools
Check whether a website sends a practical Strict-Transport-Security policy for HTTPS enforcement.
Open toolWebsite troubleshooting tools
Check the HTTP response code, final URL, server header, and redirect location for a public URL.
Open toolNetwork troubleshooting tools
Test whether one public TCP port is reachable from the QuantumCrafters diagnostic edge for quick firewall and service triage.
Open toolWebsite troubleshooting tools
Check whether a public website responds successfully and how long the request takes from the QCS edge.
Open toolWebsite troubleshooting tools
Check whether a public site exposes robots.txt and review crawl control signals for important paths.
Open toolWebsite security tools
Check whether a public site publishes security.txt contact and policy metadata for responsible disclosure.
Open toolNetwork troubleshooting tools
Check a small set of common public TCP ports to identify basic exposure and firewall review signals.
Open toolIP and DNS tools
Check public PTR records for an IP address to validate reverse DNS, mail infrastructure identity, and provider ownership clues.
Open toolDNS security tools
Check DNS Certification Authority Authorization records to see which certificate authorities are allowed to issue certificates.
Open toolWebsite security tools
Trace public HTTP and HTTPS redirects to find long chains, protocol downgrades, unexpected hosts, and final landing URLs.
Open toolNetwork planning tools
Calculate IPv4 network address, broadcast address, usable host range, wildcard mask, and host capacity from CIDR notation.
Open toolNetwork planning tools
Convert IPv4 CIDR notation into subnet mask and wildcard mask values used in Cisco ACLs, route filters, and firewall objects.
Open toolQuick diagnosis
BGP/RPKI, cloud range, DNS, MX, SPF/DMARC, SSL, header, redirect, CAA, reverse DNS, subnet, port, firewall, VPN, and command-plan tools help confirm whether the issue belongs to routing, cloud access, firewall policy, email delivery, website exposure, or network planning.
Next-step path
If a check shows risk or uncertainty, the next step can move into assessment, remediation, managed support, penetration testing, cloud network review, or a focused engineering handoff.
How to use the toolbox
The toolbox includes 56 practical network tools covering vendor task scripts, strong password generation, BGP/RPKI, global path planning, cloud IP ranges, DNS record checks, email authentication, SSL/TLS, HTTP security, firewall/VPN analyzers, port reachability, subnet planning, and report parsing.
Start with the vendor script generator when an engineer needs commands. Use RPKI/ASN/BGP tools for internet routing, cloud tools for allowlists, DNS propagation for record changes, MX and DMARC tools for email, TLS and HTTP tools for web exposure, and CIDR/MTU tools for design or VPN issues.
Escalate when the result affects users, email delivery, certificate expiry, public exposure, firewall access, routing, VPN stability, or a client requirement that needs evidence, change control, and remediation.
From tool result to fix
Share the symptom, affected service, and tool output. QCS can help validate the root cause, collect the right evidence, and route the work into network troubleshooting, security hardening, managed services, or cloud network support.