sightseeing4u.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 15 October 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.224 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by eu-smtp-inbound-1.mimecast.com, eu-smtp-inbound-2.mimecast.com. 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.224 | 3600s | web24.gigahost.dk | AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | sightseeing4u.dk → 217.116.232.224 |
| 🔶 Autoconfig | sightseeing4u.dk → 217.116.232.224 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | sightseeing4u.dk (all on sightseeing4u.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sightseeing4u.dk | sightseeing4u.dk |
| 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 | 2026100101 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@sightseeing4u.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-10-15 |
| Expires | 2027-05-31 (225d) |
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 |
|---|---|---|---|
| 2026-10-15 22:46:40 | 1566ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-08 08:58:47 | 3758ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-01 06:20:19 shown | 2922ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-27 05:05:44 | 1286ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-24 04:18:53 | 1996ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-21 06:34:23 | 1224ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-14 03:08:05 | 2659ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-07 00:41:40 | 2031ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 03:40:00 | 1258ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-20 15:17:13 | 13352ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-15 05:55:33 | 4380ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-06 21:08:34 | 3472ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-31 19:03:22 | 1716ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-23 16:16:49 | 1992ms | 5 NS 1 A 2 MX | ❓ Unknown |
| 2026-07-17 22:25:37 | 1646ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-12 05:24:09 | 3458ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-02 19:07:41 | 1383ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-26 03:47:58 | 1713ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 02:38:49 | 645ms | 5 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-18 10:25:34 | 1771ms | 5 NS 1 A 2 MX | 🔓 Insecure |