| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.21.40.26 | 3600s | mail.csnt.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod10-cph3.one.com | 104.37.34.70 | mx1.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod10-cph3.one.com | 104.37.34.71 | mx2.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod10-cph3.one.com | 104.37.34.72 | mx3.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod10-cph3.one.com | 104.37.34.73 | mx4.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 mx include:_custspf.one.com ip4:185.21.40.26 -all |
| Policy | Record (alsristeri.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:_custspf.one.com ip4:185.21.40.26 -all |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5932F73E86E0548B77B582F47919F654… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5932F73E86E0548B77B582F47919F654… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5932F73E86E0548B77B582F47919F654… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5932F73E86E0548B77B582F47919F654… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082001 |
| 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 05:33:49 | 670ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-08-20 11:37:42 | 2264ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-07-21 14:51:57 | 809ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-27 08:11:52 | 663ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-20 23:17:20 | 1273ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-19 14:14:58 | 1124ms | 2 NS 1 A 4 MX | 🔒 Secure | View |
| 2026-06-16 12:44:19 | 923ms | 2 NS 1 A 4 MX | 🔒 Secure | View |