steff-houlberg.dk is a .dk domain served by 2 nameservers (udns1.cscdns.net, udns2.cscdns.uk). It was registered on 28 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.178.24.186 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by mail.infoserv.dk. 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 |
|---|---|---|---|---|---|---|---|
| 52.178.24.186 | 300s | — | AS8075 | Microsoft Corporation | 52.160.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 14400s | mail.infoserv.dk | 139.162.227.162 | li1512-162.members.linode.com | AS63949 Akamai Connected Cloud |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 204.74.99.103 |
| 🔶 Autoconfig | 204.74.99.103 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2603:1020:201:e::c | 300s | — | AS8075 | Microsoft Corporation | 2603:1000:0:0:0:0:0:0/26 | 🇳🇱 The Netherlands | Amsterdam |
| www | 52.178.24.186 2603:1020:201:e::c (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network steff-houlberg.dk: 52.178.24.186 2603:1020:201:e::c (AS8075) www.steff-houlberg.dk: 52.178.24.186 2603:1020:201:e::c (AS8075) |
| 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 | 2018082020 |
| Primary NS (MNAME) | udns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 10800s |
| Retry | 5400s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 14400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 2003-03-28 |
| Expires | 2027-03-31 (157d) |
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 |
|---|---|---|---|
| 2026-10-07 02:13:28 | 698ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 22:17:21 shown | 700ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 17:59:53 | 1860ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 04:12:27 | 1431ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 22:46:15 | 630ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 01:02:35 | 1113ms | 2 NS 1 A 1 MX | ⚠️ Bogus |