Your DNS Got Hijacked. Your Traffic Went Somewhere Else.
DNS changes can redirect your traffic, break your email, or take your site offline in entire regions. Visual Sentinel monitors every record type and alerts you the moment something changes.
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Detected 2 min ago
What Is DNS Monitoring?
DNS monitoring is the continuous tracking of your domain's DNS records to detect unauthorized or unexpected changes. A reliable dns monitoring tool watches every record type around the clock, comparing live results against a known-good baseline and alerting you the moment something deviates. DNS records control where your website traffic is routed, where your email is delivered, and how your domain is verified by third-party services. If someone modifies your A records, your website visitors are sent to a different server. If MX records change, your email stops working. DNS hijacking, expired domains, and misconfigured nameservers can all happen without your knowledge, making dns change monitoring essential for any business that depends on its online presence. Without continuous dns change monitoring, unauthorized modifications can go undetected for hours or days, giving attackers time to intercept traffic, steal credentials, or redirect customers to phishing sites. Visual Sentinel monitors A, AAAA, CNAME, MX, TXT, NS, and SOA records on every check, comparing them against a known-good baseline. When any record changes, you receive an instant alert with details of what changed, often before your users notice anything wrong. As a purpose-built dns monitoring tool, Visual Sentinel also tracks propagation across regions, maintains a full history of every record change for auditing and compliance, and integrates with 10 notification channels so the right team members are informed immediately.
Built for the failures
HTTP 200 hides.
DNS Hijacking Detection
Get alerted immediately if your DNS records are changed without authorization. Protect against domain hijacking attacks.
Record Change Tracking
Monitor A, AAAA, CNAME, MX, TXT, and NS records. Know exactly when and what changed.
Instant Alerts
Receive notifications through email, Slack, Discord, Telegram, or WhatsApp when DNS records change.
Propagation Monitoring
After making DNS changes, verify they propagated correctly across regions.
DNS History
Complete audit trail of DNS record changes over time. See previous values and when changes occurred.
Part of 6-Layer Monitoring
DNS monitoring is included with uptime, performance, SSL, and visual checks. No extra cost or setup.
Three steps,
no extensions.
Add Your Domain
Enter your domain name. We automatically discover and record your current DNS configuration.
Baseline Captured
Your current DNS records become the baseline. Any deviation from this baseline triggers an alert.
Stay Informed
Get instant notifications when any DNS record changes. Review changes and approve or investigate.