fornuftig.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 June 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.138.100 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, publishes a DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 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 | fornuftig.dk → 46.183.138.100 |
| 🔶 Autoconfig | fornuftig.dk → 46.183.138.100 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 10 | 10 | 443 | autodiscover.gigahost.dk |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (fornuftig.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.fornuftig.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | fornuftig.dk (all on fornuftig.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.fornuftig.dk | fornuftig.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 | 2026102201 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@fornuftig.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-06-03 |
| Expires | 2027-06-02 (220d) |
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 |
|---|---|---|---|
| 2026-10-22 03:30:41 shown | 685ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 14:34:36 | 2344ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 05:07:31 | 822ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 12:49:43 | 1089ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 12:17:58 | 9639ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 02:49:05 | 3166ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 15:43:57 | 977ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 13:32:48 | 716ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 05:08:44 | 907ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 16:30:22 | 839ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 09:42:23 | 2125ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 07:35:12 | 2359ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 20:50:12 | 1790ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 16:26:36 | 1537ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 08:47:53 | 9861ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 16:45:41 | 1252ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 16:32:44 | 1539ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 12:01:36 | 2656ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 18:03:48 | 937ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 17:53:35 | 633ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 09:28:16 | 857ms | 5 NS 1 A 3 MX | 🔓 Insecure |