| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 216.239.32.21 | 43200s | any-in-2015.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.34.21 | 43200s | any-in-2215.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.36.21 | 43200s | any-in-2415.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| 216.239.38.21 | 43200s | any-in-2615.1e100.net | AS15169 | Google LLC | 216.239.32.0/20 | 🇺🇸 United States | — |
| TXT Record |
|---|
| protonmail-verification=f04fc8744850afe8f96c47487c375fc7a6fe6b62 |
| v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (vogdrup.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all |
| Policy | Record (_dmarc.vogdrup.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081001 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-27 14:01:44 | 1103ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-08-10 15:47:49 | 11136ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-07-16 02:49:28 | 1067ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-07-11 17:25:27 | 1355ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-25 08:36:20 | 851ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-20 21:47:28 | 554ms | 2 NS 4 A 2 MX | 🔒 Secure | View |
| 2026-06-17 16:53:46 | 916ms | 2 NS 4 A 2 MX | 🔒 Secure | View |