| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 216.150.1.1 | 3600s | — | AS16509 | Amazon.com, Inc. | 216.150.1.0/24 | 🇺🇸 United States | — |
| TXT Record |
|---|
| protonmail-verification=f5a6c5e1778844f7cdfbc38ff531ed3a6457fe96 |
| v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all |
| Policy | Record (nocturnal-studios.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch include:_custspf.one.com ~all |
| 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 | 2026081301 |
| 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 | |
|---|---|---|---|---|
| 2026-08-23 10:32:43 | 5347ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-14 17:25:49 | 8975ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-16 21:06:43 | 990ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 21:37:28 | 1072ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 21:06:42 | 16614ms | 2 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-20 18:29:40 | 2407ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-18 08:04:18 | 764ms | 2 NS 1 A 2 MX | 🔒 Secure | View |