hellestrupherregaard.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 10 September 2026 (WHOIS) and first appeared in the .dk zone on 11 September 2026. 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 |
|---|---|---|---|---|---|---|---|
| 2.28.228.196 | 3600s | static.196.228.28.2.clients.your-server.de | AS24940 | — | — | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 2.28.228.196 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | 2026091201 |
| 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 | 2026-09-10 |
| Expires | 2027-09-09 (326d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 18:28:06 | 773ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 18:21:34 | 939ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 16:48:10 | 704ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 22:21:00 | 598ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 23:21:55 shown | 1566ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 12:57:11 | 600ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 11:57:35 | 588ms | 2 NS 1 A 1 MX | 🔓 Insecure |