zwart.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 August 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.gigahost.dk, mx2.gigahost.dk and 1 more. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.227 | — | 227.giga-ptr.232.116.217.in-addr.arpa | AS47292 | — | — | — | — |
| 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 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | zwart.dk (all on zwart.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026061101 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@zwart.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-08-01 |
| Expires | 2027-08-31 (318d) |
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 |
|---|---|---|---|
| 2026-10-15 21:25:51 | 3217ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 12:21:54 | 2441ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 08:10:18 | 5094ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 06:19:39 | 1913ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 02:49:39 | 9625ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 15:44:14 | 1191ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 02:42:07 | 676ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-03 23:56:12 | 1007ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-01 03:11:07 | 2567ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 08:58:40 | 720ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 03:28:10 | 1132ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 01:38:49 | 9770ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 17:55:08 | 1569ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 10:57:40 | 2367ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 06:33:46 | 3142ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 19:32:23 | 9664ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 11:28:40 | 1179ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 20:40:05 | 929ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 01:05:39 | 1220ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 22:30:39 shown | 990ms | 5 NS 1 A 3 MX | 🔓 Insecure |