n-posten.dk is a .dk domain served by 2 nameservers (duke.ns.cloudflare.com, pat.ns.cloudflare.com). It was registered on 9 January 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.33.133 | — | — | AS13335 | — | — | — | — |
| 172.67.190.26 | — | — | AS13335 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.33.133 |
| 🔶 Autoconfig | 172.67.190.26 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:2185 | — | — | AS13335 | — | — | — | — |
| 2606:4700:3034::ac43:be1a | — | — | AS13335 | — | — | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.33.133,172.67.190.26 ech=AEX+DQBB5QAgACChQx2i+yB+lajFIzQxGHXruxhXb+XaBa5Rn/GiSbZUegAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:2185,2606:4700:3034::ac43:be1a |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com a:n-posten.dk -all |
| Policy | Record (n-posten.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com a:n-posten.dk -all |
| www | 104.21.33.133 172.67.190.26 2606:4700:3030::ac43:be1a 2606:4700:3031::6815:2185 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network n-posten.dk: 104.21.33.133 172.67.190.26 2606:4700:3030::ac43:be1a 2606:4700:3031::6815:2185 (AS13335) www.n-posten.dk: 104.21.33.133 172.67.190.26 2606:4700:3030::ac43:be1a 2606:4700:3031::6815:2185 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406026543 |
| Primary NS (MNAME) | duke.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2024-01-09 |
| Expires | 2027-01-08 (78d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 01:03:13 | 416ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 03:22:28 | 9535ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 09:31:16 | 2038ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-25 11:14:49 | 701ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-15 18:08:06 | 1137ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-08-14 08:33:54 | 2617ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-14 17:18:45 | 968ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-26 11:54:27 | 1471ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 16:00:27 | 1175ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 07:07:45 | 565ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 23:49:28 | 544ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:01:28 shown | 1606ms | 2 NS 2 A 1 MX | 🔓 Insecure |