ernstel.dk is a .dk domain served by 4 nameservers (ns1-05.azure-dns.com, ns2-05.azure-dns.net, ns3-05.azure-dns.org and 1 more). It was registered on 15 November 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 13.69.68.72 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mx.mailcluster.dk. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 13.69.68.72 | 300s | — | AS8075 | Microsoft Corporation | 13.64.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| 40.118.29.72 | 300s | — | AS8075 | Microsoft Corporation | 40.112.0.0/13 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx.mailcluster.dk | 212.237.249.50 | mx1.dandomain.dk | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| \"v=spf1 a mx ptr include:spf.smart-web.dk ~all\" |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| 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 | 2017090801 |
| Primary NS (MNAME) | ns1-05.azure-dns.com |
| Responsible (RNAME) | it@jansson.dk |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-11-15 |
| Expires | 2026-12-31 (74d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 03:06:05 shown | 525ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 20:25:34 | 564ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-05 03:38:43 | 512ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-02 14:36:48 | 537ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 06:12:59 | 653ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:15:59 | 398ms | 4 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 08:15:23 | 787ms | 4 NS 2 A 1 MX | 🔓 Insecure |