| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.240.158 | 3600s | webcluster31.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:f3:785f:c465:613f | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=149c88e3812d0f23abd3924bbcc33e5edc0b117e |
| v=spf1 include:_custspf.one.com include:_spf.protonmail.ch mx ~all |
| Policy | Record (detsundesind.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com include:_spf.protonmail.ch mx ~all |
| Policy | Record (_dmarc.detsundesind.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 | 2026082404 |
| 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 | |
|---|---|---|---|---|
| 2026-08-25 03:00:33 | 1692ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-22 22:55:03 | 8495ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-07 22:50:20 | 3138ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-09 03:07:22 | 1020ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 22:09:42 | 22793ms | 2 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-26 16:30:28 | 1624ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 02:37:42 | 2421ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-17 02:31:08 | 789ms | 2 NS 1 A 2 MX | 🔒 Secure | View |