DesignMD Security Light

NetUtils

Network diagnostics presented as a calm verification screen for focused inspection.

SSRF-guarded Live results No stored lookups EN / ID / 中文

IP Address Intelligence

Multi-provider location, ISP, ASN, threat flags, reverse DNS — with automatic failover.

Your current public IP loads automatically. Manual lookups should be limited to addresses or domains you own or have permission to inspect.
Fetching IP intelligence…
Data Retrieved

DNS Lookup — Multi-Resolvers

Queries Cloudflare, Google and Quad9 over DNS-over-HTTPS with DNSSEC status and cross-resolver diff.

Querying 3 resolvers…
DNS Records for

HTTP Header Checker

Inspect status, redirect chain, HTTP version, response headers, and an automated security score.

Fetching HTTP headers…
Response Data

Response Headers

HeaderValue

Port Scanner — Live Streaming

Concurrent engine (32 workers), randomized jitter, banner capture, real-time progress via SSE.

Only scan hosts you own or have explicit permission to test. Unauthorized scanning may violate law or policy.
Scanning ports…
Scan Results

Port Status

SSL/TLS Audit

Chain walk, OCSP revocation, TLS version matrix, cipher probe, and a 0-100 security score.

Auditing certificate…
Certificate Audit

Subject Alt Names

TLS Version Support

Negotiated Ciphers

Certificate Chain

Findings

WHOIS / RDAP Lookup

RDAP-first with raw WHOIS fallback. Domains, IP ranges (inetnum), and AS numbers.

Querying RDAP…
Registration Data

Nameservers

Status Codes

Registrant

Raw WHOIS


          

Certificate Transparency

Subdomain discovery via crt.sh (with certspotter fallback). Click a subdomain to run an IP lookup.

crt.sh is slow (10-20s). Results are cached for 24 hours.
Querying certificate logs…
CT Data

Issuance Timeline

Subdomains (click → IP lookup)

Batch Scan Engine

Analyze up to 200 domains/IPs per job with rate-limit-aware pacing, retries, export, and optional webhooks.

Running job…
Job Results
ItemStatus

Geo Map

Zero-dependency canvas world map. Plot IP results, pan, zoom. Offline fallback borders included.