ffff.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 30 May 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 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 |
|---|---|---|---|---|---|---|---|
| 46.183.138.100 | 3600s | — | AS47292 | — | — | — | — |
| 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 | 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 (ffff.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.ffff.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | ffff.dk (all on ffff.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| 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 | 2026061801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@ffff.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-05-30 |
| Expires | 2027-06-30 (248d) |
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 |
|---|---|
| 2bach.dk | Punktum dk A/S (direct) |
| 4bll.dk | Punktum dk A/S (direct) |
| faktasiden.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-24 15:30:57 | 1050ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-23 08:01:27 | 1547ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 13:28:34 | 1582ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 04:37:28 | 658ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 01:50:25 | 847ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-28 00:58:08 | 9516ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 20:43:47 | 990ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-23 17:55:32 | 860ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 12:01:04 | 1640ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 22:16:22 | 975ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 02:21:44 | 722ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 15:30:54 | 745ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-21 00:37:18 | 6315ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 15:42:21 | 1170ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-08 01:00:05 | 1414ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-01 15:25:22 | 1349ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 20:34:00 | 8799ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-18 18:11:38 | 8844ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-13 01:16:03 | 1110ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 14:41:00 | 916ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 05:14:36 | 1180ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 04:46:25 shown | 1300ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 09:23:23 | 838ms | 5 NS 1 A 3 MX | 🔓 Insecure |