4d-sign.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 April 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.205 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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.gigahost.dk | — | — | — |
| ns2.gigahost.dk | — | — | — |
| ns3.gigahost.dk | — | — | — |
| ns4.gigahost.dk | — | — | — |
| ns5.gigahost.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.183.139.205 | — | web5.gigahost.dk | AS47292 | Sentia Denmark A/S | 46.183.138.0/23 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx1.gigahost.dk | 46.183.139.11 | mx1.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx2.gigahost.dk | 46.183.139.12 | mx2.gigahost.dk | AS47292 Sentia Denmark A/S |
| 10 | — | mx3.gigahost.dk | 46.183.139.13 | mx3.gigahost.dk | AS47292 Sentia Denmark A/S |
| TXT Record |
|---|
| spf2.0/pra |
| v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (4d-sign.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.4d-sign.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | 4d-sign.dk (all on 4d-sign.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 | 2026061203 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@4d-sign.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2002-04-03 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:52:54 | 721ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 23:22:59 | 1212ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-07 23:15:35 | 870ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-04 00:13:25 | 985ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 23:43:16 | 914ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-27 22:52:36 | 570ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 18:16:13 | 1162ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-22 15:19:54 | 886ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-14 05:19:42 | 1096ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-05 06:27:12 | 1204ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 14:31:33 | 1621ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 08:56:06 | 6445ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 07:50:43 | 1348ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 08:49:59 | 1339ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 23:51:54 | 9982ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 11:19:50 | 9962ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 22:59:38 | 1201ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 12:56:06 | 4047ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 12:25:13 | 1047ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 13:12:14 | 835ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 23:22:12 | 1002ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 08:16:30 | 758ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:37:31 shown | 736ms | 5 NS 1 A 3 MX | 🔓 Insecure |