Domains: full A/AAAA/MX/NS/TXT/SOA/CNAME audit. IPs: reverse DNS (PTR) lookup. Resolves over DNS-over-HTTPS (Google/Cloudflare) when the host blocks UDP/53, so it works on shared hosting.
Results for krebsonsecurity.com
| Type | Value | TTL | Priority |
|---|---|---|---|
| A | 130.211.45.45 |
46 | - |
| NS | ns-cloud-d3.googledomains.com |
14144 | - |
| NS | ns-cloud-d2.googledomains.com |
14144 | - |
| NS | ns-cloud-d4.googledomains.com |
14144 | - |
| NS | ns-cloud-d1.googledomains.com |
14144 | - |
| TXT | v=spf1 ip4:198.251.81.28 a mx ?all |
300 | - |
| SOA | ns-cloud-d1.googledomains.com |
21600 | - |
Bulk DNS Audit
Audited so far: 14,184 indicators.
▶ Run Bulk DNS Audit (auto-continues)
Sweeps every stored domain/IP lacking DNS data, in time-boxed batches that auto-continue in the browser until done.
For the whole database at once (no browser), run php dns-audit.php bulk=run on the CLI or via cron.
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