skolebogen.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 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.116.232.223 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 |
|---|---|---|---|---|---|---|---|
| 217.116.232.223 | 3599s | 223.giga-ptr.232.116.217.in-addr.arpa web23.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 | skolebogen.dk → 217.116.232.223 |
| 🔶 Autoconfig | skolebogen.dk → 217.116.232.223 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| www CNAME | skolebogen.dk (all on skolebogen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.skolebogen.dk | skolebogen.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 | 2026071601 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@skolebogen.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2000-03-01 |
| Expires | 2027-03-31 (163d) |
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).
| Domain | Registrar |
|---|---|
| figur.dk | GIGAHOST ApS |
| skolebog.dk | GIGAHOST ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 09:44:44 | 1336ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 14:24:18 | 1124ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 12:42:10 | 1120ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 16:22:21 | 952ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-29 16:02:45 | 1749ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 14:02:47 | 9766ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 05:25:40 | 1043ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-22 01:21:39 | 858ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 16:46:01 | 840ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 23:29:43 | 792ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-01 00:22:39 | 758ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 12:36:55 | 882ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 12:22:12 | 966ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 04:58:50 | 6305ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 06:08:59 | 3134ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 14:19:56 | 893ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 18:21:04 | 1349ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 06:50:47 | 9147ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 11:57:22 shown | 10109ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 05:25:07 | 1446ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 16:07:33 | 951ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 10:21:52 | 844ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 06:26:23 | 1080ms | 5 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-18 07:35:41 | 956ms | 5 NS 1 A 3 MX | 🔓 Insecure |