msmadsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 9 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.88.197.118 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mail.msmadsen.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 |
|---|---|---|---|---|---|---|---|
| 83.88.197.118 | 600s | — | AS3292 | TDC Holding A/S | 83.88.192.0/18 | 🇩🇰 Denmark | Viborg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.msmadsen.dk | 83.88.197.118 | — | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | msmadsen.dk → 83.88.197.118 |
| 🔶 Autoconfig | msmadsen.dk → 83.88.197.118 |
| www CNAME | msmadsen.dk (all on msmadsen.dk) → 83.88.197.118 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.msmadsen.dk | msmadsen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| 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 | Punktum dk A/S (direct) |
| Registered | 1999-12-09 |
| Expires | 2026-12-31 (69d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-11 14:24:34 | 527ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 04:16:03 | 580ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 07:23:46 | 763ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 20:22:21 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 05:42:31 | 734ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 06:06:16 | 8613ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 20:43:59 | 744ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 17:59:29 shown | 16228ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 03:25:46 | 1017ms | 2 NS 1 A 1 MX | 🔒 Secure |