halsnæs.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was registered on 1 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | — | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| www CNAME | xn--halsns-tua.dk (all on xn--halsns-tua.dk) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@xn--halsns-tua.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | nordicway ApS |
| Registered | 2004-02-01 |
| Expires | 2027-02-28 (123d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 04:41:58 | 556ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 02:12:13 | 685ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 07:39:31 | 704ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-31 21:14:26 | 1004ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 02:45:38 | 1094ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 11:43:11 | 1280ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 13:26:57 | 1310ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 20:34:49 | 1297ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-28 02:21:19 | 1133ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 06:23:30 | 1522ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-06-17 10:43:17 | 625ms | 5 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 10:42:41 shown | 1103ms | 5 NS 1 A 3 MX | 🔒 Secure |