| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 20.50.2.16 | 3600s | — | AS8075 | Microsoft Corporation | 20.48.0.0/12 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com ~all |
| Policy | Record (dalgasskolen-aarhus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com ~all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | A4B9A2A35B513EFAC91F5A3C11DD0C58… |
| 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 01:20:33 | 1943ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-08-11 05:58:30 | 4872ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-08-07 13:53:34 | 2550ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-07 02:10:18 | 876ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-01 20:20:54 | 1881ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-26 15:52:17 | 572ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-16 23:45:52 | 661ms | 2 NS 1 A 4 MX | 🔒 Secure | View |