undervisningogguider.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 March 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.217 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 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.217 | 3600s | web17.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 | undervisningogguider.dk → 217.116.232.217 |
| 🔶 Autoconfig | undervisningogguider.dk → 217.116.232.217 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | undervisningogguider.dk (all on undervisningogguider.dk) |
| www vs bare domain | Same network undervisningogguider.dk: 217.116.232.217 (AS47292) www.undervisningogguider.dk: 217.116.232.217 (AS47292) |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.undervisningogguider.dk | undervisningogguider.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 | 2026100801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@undervisningogguider.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2011-03-03 |
| Expires | 2027-03-31 (157d) |
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 |
|---|---|---|---|
| 2026-10-24 16:10:04 | 1694ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-16 02:38:42 | 1513ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 14:02:27 shown | 2802ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 11:03:03 | 1003ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 10:20:46 | 747ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-21 16:41:44 | 1124ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 04:23:50 | 985ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 01:39:24 | 1049ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 23:21:39 | 629ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 08:28:44 | 9788ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 15:18:35 | 9853ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 17:02:42 | 8711ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-30 16:49:25 | 1961ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 13:53:20 | 1127ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 19:42:22 | 1194ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 19:42:37 | 2929ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 16:07:18 | 2961ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 09:35:45 | 1029ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 11:15:43 | 577ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 06:48:50 | 844ms | 5 NS 1 A 3 MX | 🔓 Insecure |