| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.135 | 3600s | webcluster1.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:38:51a5:f46:af18 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=a7557cafe3872e572b64780416e30c02d8e58b25 |
| v=spf1 include:_spf.protonmail.ch ~all _custspf.one.com |
| Policy | Record (indse.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch ~all _custspf.one.com |
| Policy | Record (_dmarc.indse.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 | 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 | 2026082601 |
| 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 | |
|---|---|---|---|---|
| 2026-09-03 13:39:31 | 723ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-26 18:55:20 | 638ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-15 01:04:38 | 6992ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-10 05:41:49 | 5048ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-09 01:08:43 | 3149ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-31 12:28:24 | 921ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-21 13:38:31 | 4885ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-11 10:21:56 | 1001ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-09 01:30:10 | 1092ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-02 21:25:09 | 14728ms | 2 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-26 05:43:35 | 1965ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 19:53:21 | 714ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-18 05:36:45 | 745ms | 2 NS 1 A 2 MX | 🔒 Secure | View |