| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=e3abfa2d1c33adec6311e1d64d346d91f495a8f4 |
| v=spf1 include:_spf.protonmail.ch mx include:_custspf.one.com ~all |
| Policy | Record (thuebang.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx 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 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081101 |
| 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 11:26:07 | 979ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-27 00:34:51 | 846ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-12 21:30:49 | 4929ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-18 20:43:28 | 1085ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-13 22:39:29 | 906ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 13:22:54 | 2437ms | 2 NS 1 A 2 MX | 🔒 Secure | View |