Network utility hub
56 tools for DNS, routing, cloud and security. Plan vendor commands, generate passwords or investigate a connection.
Choose a tool
56 of 56 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 toolGenerate private random passwords, passphrases, Wi-Fi keys, recovery codes, PINs, and API tokens locally in your browser for real security workflows.
Open toolValidate whether an ASN is authorized to originate a public prefix and flag RPKI invalid or missing ROA signals.
Open toolLook up ASN or public IP routing context, announced prefix signals, and operator intelligence links.
Open toolBuild a routing anomaly review for an ASN or prefix using public route-visibility evidence and escalation logic.
Open toolCreate a global traceroute evidence plan for India, US, Europe, Middle East, and Singapore troubleshooting.
Open toolPlan multi-region latency, jitter, and packet-loss measurements for cloud, VPN, SaaS, and SASE paths.
Open toolCompare DNS answers from multiple public resolvers to validate propagation, resolver drift, and migration status.
Open toolCheck MX records and build a mail transport TLS review for domains that need secure SMTP delivery.
Open toolCheck TLSA records for DANE-enabled SMTP, HTTPS, or custom TLS services and review DNSSEC-backed certificate binding signals.
Open toolCheck MTA-STS policy and SMTP TLS reporting records for modern email transport protection.
Open toolCombine MX, SPF, DMARC, MTA-STS, TLS-RPT, reverse DNS, and SMTP reachability signals in one email health view.
Open toolCheck public IP reputation indicators, DNSBL-style listing signals, and abuse-review next steps.
Open toolCheck whether an IP belongs to AWS, Google Cloud, or Cloudflare public ranges and return provider metadata.
Open toolGenerate firewall allowlist objects for cloud provider ranges by provider, region, service, and vendor format.
Open toolDetect overlapping IPv4 CIDR ranges before VPN, cloud migration, merger, VPC, or firewall object work.
Open toolAggregate IPv4 CIDR ranges into cleaner route, firewall, and ACL summaries where safe.
Open toolCalculate IPv6 network range, compressed/expanded form, prefix size, and subnet planning guidance.
Open toolCalculate practical MTU and TCP MSS values for IPsec, GRE, VXLAN, WireGuard, PPPoE, and SD-WAN paths.
Open toolCheck Alt-Svc and DNS HTTPS/SVCB signals that indicate HTTP/3 and QUIC readiness.
Open toolAnalyze Content-Security-Policy headers for unsafe inline script, wildcards, framing, and report coverage.
Open toolCheck CORS response headers for wildcard, reflected origin, and credential-risk patterns.
Open toolPaste sanitized firewall rules to detect duplicate, shadowed, broad, and risky rule patterns.
Open toolReview VPN/IPsec proposal settings for common interoperability, security, and troubleshooting risks.
Open toolGenerate tcpdump, Wireshark, FortiGate sniffer, Cisco ACL, and ASA capture filters from one scenario.
Open toolScore latency, jitter, and packet loss against voice, video, SaaS, ERP, and bulk-transfer path needs.
Open toolPaste a DMARC aggregate XML report to summarize sources, alignment, pass/fail counts, and policy movement.
Open toolCheck public A, AAAA, MX, NS, and TXT records for a domain from the QuantumCrafters network diagnostics layer.
Open toolCheck IPv4 A records for a public domain to confirm web, VPN, mail, or application reachability.
Open toolCheck IPv6 AAAA records for a public domain to validate dual-stack network readiness.
Open toolCheck canonical name records to validate SaaS, CDN, migration, and cloud hostname mappings.
Open toolCheck authoritative name server records for a domain before migration, delegation, or outage review.
Open toolInspect public TXT records used by email security, domain verification, SaaS, and ownership workflows.
Open toolCheck the start-of-authority record to review DNS ownership, serial, refresh, retry, and expiry values.
Open toolCheck SRV records for services such as SIP, LDAP, Kerberos, XMPP, Microsoft 365, and identity platforms.
Open toolCheck whether a domain publishes DS records that connect the parent zone to DNSSEC validation.
Open toolInspect mail exchanger records, priority order, and mail routing signals for business email delivery troubleshooting.
Open toolCheck whether a domain publishes SPF and DMARC records before email spoofing, phishing, and deliverability problems become visible.
Open toolCheck a DKIM selector record to validate email signing readiness and domain authentication evidence.
Open toolParse a DMARC record to review policy, alignment, reporting, sampling, and enforcement readiness.
Open toolCheck BIMI DNS records used for verified brand indicators in supported mailbox providers.
Open toolInspect a public website certificate, issuer, validity window, expiry risk, and TLS connection details.
Open toolCheck whether a public HTTPS endpoint supports modern TLS versions and reports negotiated protocol details.
Open toolCheck a public URL for security headers such as HSTS, CSP, X-Frame-Options, Referrer-Policy, and Permissions-Policy.
Open toolCheck whether a website sends a practical Strict-Transport-Security policy for HTTPS enforcement.
Open toolCheck the HTTP response code, final URL, server header, and redirect location for a public URL.
Open toolTest whether one public TCP port is reachable from the QuantumCrafters diagnostic edge for quick firewall and service triage.
Open toolCheck whether a public website responds successfully and how long the request takes from the QCS edge.
Open toolCheck whether a public site exposes robots.txt and review crawl control signals for important paths.
Open toolCheck whether a public site publishes security.txt contact and policy metadata for responsible disclosure.
Open toolCheck a small set of common public TCP ports to identify basic exposure and firewall review signals.
Open toolCheck public PTR records for an IP address to validate reverse DNS, mail infrastructure identity, and provider ownership clues.
Open toolCheck DNS Certification Authority Authorization records to see which certificate authorities are allowed to issue certificates.
Open toolTrace public HTTP and HTTPS redirects to find long chains, protocol downgrades, unexpected hosts, and final landing URLs.
Open toolCalculate IPv4 network address, broadcast address, usable host range, wildcard mask, and host capacity from CIDR notation.
Open toolConvert 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.
