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 protonmail.com
| Type | Value | TTL | Priority |
|---|---|---|---|
| A | 185.70.42.12 |
794 | - |
| MX | mail.protonmail.ch |
348 | 5 |
| MX | mailsec.protonmail.ch |
348 | 10 |
| NS | ns3.protonmail.com |
1077 | - |
| NS | ns1.protonmail.com |
1077 | - |
| NS | ns2.protonmail.com |
1077 | - |
| TXT | brave-ledger-verification=66a7f27fb99949cc0c564ab98efcc58ea1bac3e97eb557c782ab2d44b49aefd7 |
456 | - |
| TXT | mailru-verification: 14505c6eb222c847 |
456 | - |
| TXT | google-site-verification=uXVNQLivTppnZssXHtMY7QVn70Mpd0x2U8pKj324Krk |
456 | - |
| TXT | google-site-verification=aq9zJnp3H3bNE0Y4D4rH5I5Dhj8VMaLYx0uQ7Rozfgg |
456 | - |
| TXT | yandex-verification: 6059b187e78de544 |
456 | - |
| TXT | v=spf1 include:_spf.protonmail.ch ~all |
456 | - |
| TXT | google-site-verification=RVUCKIFDkg-Spau8kEohQRsgyHEBUQcVehZqF6PAQcQ |
456 | - |
| TXT | ahrefs-site-verification_4bdac6bbaa81e0d591d7c0f3ef238905c0521b69bf3d74e64d3775bcb2743afd |
456 | - |
| SOA | ns1.protonmail.com |
1200 | - |
Bulk DNS Audit
Audited so far: 6,769 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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