hjertesygdom.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 January 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (hjertesygdom.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.hjertesygdom.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:649a898591c65@dmarc.centerasecurity.com; |
| www | 217.157.60.187 (AS9158) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 2026101901 |
| 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 | 2003-01-07 |
| Expires | 2027-01-31 (101d) |
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 |
|---|---|---|---|
| 2026-10-21 10:04:18 shown | 1381ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 16:40:42 | 413ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 10:01:36 | 433ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 08:07:42 | 497ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 07:59:10 | 620ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 19:42:29 | 810ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 23:32:05 | 2466ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-28 05:05:50 | 1629ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 22:02:16 | 684ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 20:33:39 | 800ms | 2 NS 1 A 4 MX | ❓ Unknown |
| 2026-06-24 04:09:46 | 695ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 02:26:05 | 1190ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:01:50 | 2906ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 12:30:21 | 253ms | 0 NS 0 A 0 MX | ❓ Unknown |