| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.164.71.249 | 43200s | 80-164-71-249-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 80.160.0.0/13 | 🇩🇰 Denmark | Hillerød |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | 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 | 80.164.71.249 |
| 🔶 Autoconfig | 80.164.71.249 |
| TXT Record |
|---|
| protonmail-verification=9a70b0a4732173e93b7edffcbf2330eb83fd22ed |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (spielmann.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 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.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 | 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 | |
|---|---|---|---|---|
| 2026-08-26 12:28:43 | 548ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-26 11:42:47 | 962ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-01 23:48:48 | 670ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 09:04:13 | 1090ms | 2 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-18 03:53:39 | 693ms | 2 NS 1 A 1 MX | 🔒 Secure | View |