| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 77.111.240.152 | 3600s | webcluster25.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:c7:bf7e:a797:d0a4 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=32120af9afc4f74b057f89ef1c67e8c4910ac718 |
| v=spf1 include:_spf.protonmail.ch mx include:_custspf.one.com ~all |
| Policy | Record (cleoh.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 | 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 | 2026081002 |
| 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 | |
|---|---|---|---|---|
| 2026-08-28 06:02:11 | 1043ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-23 10:25:21 | 5023ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-10 11:50:38 | 971ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-08-06 09:40:04 | 1616ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-07-03 13:28:39 | 860ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-25 18:56:28 | 1696ms | 2 NS 1 A 2 MX | 🔒 Secure | View |
| 2026-06-24 10:56:53 | 990ms | 0 NS 0 A 0 MX | ❓ Unknown | View |
| 2026-06-16 21:15:52 | 762ms | 2 NS 1 A 2 MX | 🔒 Secure | View |