rudersdalruter.dk is a .dk domain served by 3 nameservers (ns1.rudersdal.dk, ns2.rudersdal.dk, ns3.rudersdal.dk). It was registered on 20 March 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. The zone is not DNSSEC-signed, has no 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.rudersdal.dk | 185.85.44.55 | — | AS200538 Rudersdal Kommune |
| ns2.rudersdal.dk | 185.85.44.57 | — | AS200538 Rudersdal Kommune |
| ns3.rudersdal.dk | 185.85.44.72 | — | AS200538 Rudersdal Kommune |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | rudersdal-hosting-87-48-148-60.rudersdal.dk |
| 🔶 Autoconfig | rudersdal-hosting-87-48-148-60.rudersdal.dk |
| TXT Record |
|---|
| rudersdalruter.dk |
| www CNAME | rudersdal-hosting-87-48-148-60.rudersdal.dk (all on rudersdal.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.rudersdalruter.dk |
| www vs bare domain | Neither resolves rudersdalruter.dk: no address www.rudersdalruter.dk: no address |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.rudersdalruter.dk | rudersdal-hosting-87-48-148-60.rudersdal.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 7 |
| Primary NS (MNAME) | ns1.rudersdal.dk |
| Responsible (RNAME) | hostmaster@rudersdal.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-03-20 |
| Expires | 2027-03-31 (154d) |
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 |
|---|---|---|---|
| 2026-10-23 15:14:40 | 454ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-03 20:34:07 | 19856ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-07-02 09:34:20 | 3295ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-25 21:08:14 | 2726ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-21 23:28:38 shown | 475ms | 3 NS 0 A 0 MX | 🔓 Insecure |
| 2026-06-17 11:55:23 | 4796ms | 3 NS 0 A 0 MX | 🔓 Insecure |