ludvigolsen.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 7 April 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3599s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | ludvigolsen.dk → 46.183.138.100 |
| 🔶 Autoconfig | ludvigolsen.dk → 46.183.138.100 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| google-site-verification=qf8T7xJcukKirSFI4bPZxbuyytfDtHEJ1nYELpPce-o |
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (ludvigolsen.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.ludvigolsen.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | ludvigolsen.dk (all on ludvigolsen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.ludvigolsen.dk | ludvigolsen.dk |
| 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 | 2026090301 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@ludvigolsen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2012-04-07 |
| Expires | 2027-04-30 (185d) |
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).
| Domain | Registrar |
|---|---|
| lrol.dk | Punktum dk A/S (direct) |
| navlebeskuer.dk | Punktum dk A/S (direct) |
| songsofasger.dk | GIGAHOST ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 17:38:54 | 2246ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-20 00:21:45 | 629ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-18 23:09:11 | 1174ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 18:30:39 | 821ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 09:20:30 | 1116ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 03:50:25 | 846ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 02:24:22 | 961ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 09:06:37 | 1161ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-13 07:17:22 | 1364ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 07:48:08 shown | 734ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 20:53:07 | 741ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 13:59:23 | 7690ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 00:11:48 | 2860ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 05:18:32 | 1954ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-02 08:11:18 | 959ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 16:45:43 | 1384ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 00:30:38 | 1456ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 12:21:31 | 1812ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 19:18:53 | 1970ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 09:12:25 | 934ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 02:25:58 | 980ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 22:38:05 | 4835ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 06:38:21 | 1172ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:45:25 | 781ms | 5 NS 1 A 3 MX | 🔓 Insecure |