ludvigholberg.dk is a .dk domain served by 2 nameservers (ns1.dnspro.dk, ns2.dnspro.dk). It was registered on 4 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 194.126.250.184 is hosted by Norlys Telco A/S (AS9167) in Denmark. Mail is handled by mail.ludvigholberg.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.dnspro.dk | 194.126.250.186 | ns1.dnspro.dk | AS9167 Norlys Telco A/S |
| ns2.dnspro.dk | 212.98.111.44 | — | AS42525 GlobalConnect A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 194.126.250.184 | 10800s | — | AS9167 | Norlys Telco A/S | 194.126.250.0/24 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mail.ludvigholberg.dk | 194.126.250.189 | mail.netprof.dk | AS9167 Norlys Telco A/S |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (ludvigholberg.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www CNAME | ludvigholberg.dk (all on ludvigholberg.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2022051007 |
| Primary NS (MNAME) | ns1.dnspro.dk |
| Responsible (RNAME) | hostmaster@ludvigholberg.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-02-04 |
| Expires | 2027-02-28 (131d) |
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 |
|---|---|
| ludvigholbergmuseet.dk | Punktum dk A/S (direct) |
| tersloesegaard.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:06:38 shown | 675ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 23:40:15 | 538ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 06:34:59 | 521ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 09:12:44 | 506ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:57:33 | 616ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-21 05:34:36 | 1122ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:12:38 | 453ms | 2 NS 1 A 1 MX | 🔓 Insecure |