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 smtp.google.com
| Type | Value | TTL | Priority |
|---|---|---|---|
| A | 172.253.135.26 |
263 | - |
| A | 173.194.208.26 |
263 | - |
| A | 172.217.72.27 |
263 | - |
| A | 172.253.135.27 |
263 | - |
| A | 142.250.26.27 |
263 | - |
| AAAA | 2607:f8b0:4023:100f::1b |
106 | - |
| AAAA | 2607:f8b0:4023:100f::1a |
106 | - |
| AAAA | 2607:f8b0:4023:100d::1a |
106 | - |
| AAAA | 2607:f8b0:4023:1004::1b |
106 | - |
| TXT | google-site-verification=SlKbxySNeEhBLHzDcs-T-1yXBwJgK-H1Lh4Eaup7nlM |
2917 | - |
Bulk DNS Audit
Audited so far: 5,251 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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