madsdydensborg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 19 May 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.59.201.211 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.dydensborg.dk, mail2.dydensborg.dk. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 87.59.201.211 | 86400s | 87-59-201-211-cable.dk.customer.tdc.net | AS3292 | TDC Holding A/S | 87.59.0.0/16 | 🇩🇰 Denmark | Kongens Lyngby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.dydensborg.dk | 2a02:2350:5:10c:fa:115:4b87:61cd 46.30.213.159 |
— webcluster1.webpod14-cph3.one.com |
AS51468 One.com A/S AS51468 One.com A/S |
| 11 | 43200s | mail2.dydensborg.dk | 2a02:2350:5:10c:fa:115:4b87:61cd 46.30.213.159 |
— webcluster1.webpod14-cph3.one.com |
AS51468 One.com A/S AS51468 One.com A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 87.59.201.211 |
| 🔶 Autoconfig | 87.59.201.211 |
| TXT Record |
|---|
| v=spf1 a mx -all |
| Policy | Record (madsdydensborg.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx -all |
| www | 87.59.201.211 (AS3292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2005-05-19 |
| Expires | 2027-05-31 (221d) |
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 |
|---|---|
| challenge.dk | ONE.COM A/S |
| dydensborg.dk | ONE.COM A/S |
| radikale-frederikssund.dk | Punktum dk A/S (direct) |
| rune-christiansen.dk | ONE.COM A/S |
| runechristiansen.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 06:06:57 | 768ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 19:35:32 | 1994ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 19:00:02 | 601ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-15 06:22:05 | 1261ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 19:33:20 | 690ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-15 15:41:53 | 4481ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 19:01:52 | 9554ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-14 17:11:11 | 1121ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 23:13:01 | 645ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 15:42:59 shown | 1230ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 12:03:59 | 1088ms | 2 NS 1 A 2 MX | 🔒 Secure |