h2o-denmark.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 3 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.212 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 but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.212 | 3600s | 212.giga-ptr.232.116.217.in-addr.arpa web12.gigahost.dk |
AS47292 | Sentia Denmark A/S | 217.116.224.0/20 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | 3600s | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | h2o-denmark.dk → 217.116.232.212 |
| 🔶 Autoconfig | h2o-denmark.dk → 217.116.232.212 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | h2o-denmark.dk (all on h2o-denmark.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.h2o-denmark.dk | h2o-denmark.dk |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'h2o-denmark.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026061801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@h2o-denmark.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-02-03 |
| Expires | 2027-08-31 (316d) |
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 18:04:39 | 1271ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 05:51:47 | 2588ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 01:48:19 | 705ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 00:02:51 | 969ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-17 03:04:23 | 734ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-10 02:00:01 | 2539ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-09 02:15:17 | 1050ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 02:12:24 | 804ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-22 06:57:58 | 4301ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 14:20:04 | 1188ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-15 02:54:35 | 2543ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 04:54:48 | 1244ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 06:17:30 | 8733ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 07:52:46 | 963ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 09:40:01 | 9219ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 10:50:58 | 7560ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 11:42:04 | 814ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 23:35:00 | 827ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 09:26:49 | 1084ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 22:27:45 | 935ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 08:24:22 shown | 1474ms | 5 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-17 09:59:07 | 3334ms | 5 NS 1 A 3 MX | 🔓 Insecure |