ViWeb live tool
Check DNS records and resolver differences
Query common DNS record types across public recursive resolvers, then interpret each answer as a resolver-specific observation.
A resolver observation is not proof of global DNS state.
Owned tools first
Choose the evidence you need
Start with the task, not a product name. Each interpretation page explains the input, source, observation time, limitations, and explicit handoff before a live tool receives anything.
DNS and ownership
Check records, resolver observations, registration, registrar, lifecycle, and control boundaries.
ViWeb live tool
Check registrar, status, dates, and nameservers
Inspect available registration records without confusing registry and registrar data with DNS hosting or website ownership.
Registration data availability and redaction vary by registry.
Email DNS and transport
Separate MX and authentication policy evidence from SMTP connectivity and delivery.
ViWeb live tool
Check SPF, DKIM, and DMARC DNS policy
Inspect email-authentication DNS records before a provider change, launch, or spoofing investigation.
DNS evidence does not prove mail delivery.
ViWeb live tool
Test SMTP connection and delivery settings
Test SMTP host, port, encryption, authentication, sender, and recipient behavior outside an application.
SMTP reachability does not prove end-to-end mail delivery.
Web behavior after DNS
Continue from a resolved hostname into certificates, redirects, headers, HTTP, and discoverability.
ViWeb live tool
Inspect a hostname's certificate and TLS chain
Check certificate validity, expiry, issuer, subject names, and chain details after DNS resolves.
A TLS check does not establish DNS ownership.
ViWeb live tool
Trace server-side redirect chains
Follow HTTP redirect responses, status codes, and destinations after DNS and TLS are working.
Redirect behavior can vary by client and location.
ViWeb live tool
Inspect response and security headers
Observe one HTTP response's status, final URL, headers, redirect chain, and common browser security protections.
One response does not describe every cache or client path.
VMCSoft knowledge
Interpret what happens after DNS reaches HTTP and TLS
Continue from a DNS answer into request, connection, TLS, redirect, header, cache, and HTTP semantics.
HTTPClarity begins after the DNS layer has produced an answer.
VMCSoft knowledge
Continue a migration into discovery and SEO checks
Move from DNS and redirect evidence into canonicals, navigation, discoverability, migrations, and search concerns.
NavSEO covers discovery, navigation, and search concerns.
Cloudflare and networks
Interpret addresses and ranges, then manage reviewed firewall and allowlist inputs.
ViWeb live tool
Identify an IP network, ASN, and approximate location
Look up available network ownership, range, ASN, country, and approximate location context for a public address.
IP geolocation and ownership data can be approximate.
ViWeb live tool
Retrieve Cloudflare network and allowlist references
Open a maintained reference for Cloudflare resolver addresses, IP ranges, Origin CA details, and official links.
Operational ranges and platform behavior can change.
ViWeb live tool
Publish validated firewall IP lists
Build, validate, sync, and publish public or token-protected IP and CIDR lists for firewall automation.
Validate generated allowlists against the authoritative source.