| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.104 | 3600s | webcluster2.webpod16-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mail.protonmail.ch | 176.119.200.128 185.205.70.128 185.70.42.128 |
mail.protonmail.ch mail.protonmail.ch mail.protonmail.ch |
AS62371 Proton AG AS62371 Proton AG AS62371 Proton AG |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.30.215.104 |
| 🔶 Autoconfig | 46.30.215.104 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:8045:ce6f:93f4:e0f8 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| protonmail-verification=52fc9b29f248c08d1cd46c6842673da489711bed |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (staunsbrink.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mail.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 | 2026081402 |
| 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 | |
|---|---|---|---|---|
| 2026-08-26 21:48:44 | 784ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-15 16:21:53 | 3584ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-14 03:42:59 | 1069ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-22 20:09:20 | 693ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-17 13:33:21 | 2688ms | 2 NS 1 A 1 MX | 🔒 Secure | View |