madskure.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 January 2007 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.52.109.210 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by .. 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 |
|---|---|---|---|---|---|---|---|
| 87.52.109.210 | 43200s | 0x57346dd2.static.cust.fastspeed.dk | AS3292 | TDC Holding A/S | 87.48.0.0/13 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | Exists, no address |
| www vs bare domain | www does not resolve madskure.dk: 104.21.86.118 172.67.219.9 2606:4700:3033::ac43:db09 2606:4700:3034::6815:5676 (AS13335) (all like this)www.madskure.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| 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 | Punktum dk A/S (direct) |
| Registered | 2007-01-16 |
| Expires | 2027-01-31 (104d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 13:46:59 | 2378ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 00:36:27 | 624ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-22 21:24:24 | 3601ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-18 12:49:44 | 1899ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 10:51:20 | 1905ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-11 05:10:13 | 1618ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-06 23:20:29 | 764ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 23:57:11 | 939ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-23 15:00:44 | 4731ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 23:01:42 | 8508ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 23:32:51 | 538ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 01:34:45 | 8662ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 10:52:37 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 01:00:13 shown | 2402ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 21:50:39 | 1785ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 18:54:58 | 442ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 02:23:41 | 2311ms | 2 NS 1 A 0 MX | 🔒 Secure |