Observe, verify, and secure

Cross-verify DNS · SSL · HTTP · Email · Ports from multiple independent observation points. Results are interpreted as status + cause + next action, not just raw data.

10 Security Tools

My IP

IPv4/IPv6, ASN, ISP, proxy detection

Open

RDAP

Registration status, expiry, nameservers

Open

DNS

A/MX/TXT/NS diagnostics + email security

Open

SSL

Expiry, issuer, SAN, chain verification

Open

HTTP

Redirects, security headers, response codes

Open

Email

Email auth (MX/SPF/DMARC/DKIM) score

Open

Subnet

CIDR subnet calculator, IP range, host count

Open

Propagation

Global DNS propagation status in real time

Open

Port

Check if host ports are open

Open

Interpretation, not just raw data

1. Status Badge

OK / Warning / Error / Needs Review — at a glance.

2. Root Cause Analysis

Likely failure causes narrowed down to 1–3.

3. Action Checklist

Actionable steps like DNS fixes, certificate renewals, and more.

Guides — Troubleshooting Guides

View All Guides (10+)
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