3tx.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 2005 (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 | 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 (3tx.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.3tx.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | 3tx.dk (all on 3tx.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 | 2026102201 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@3tx.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2005-03-01 |
| Expires | 2027-03-31 (155d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 19:02:17 shown | 1594ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 05:30:51 | 851ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 14:47:35 | 3355ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 09:27:06 | 4742ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-30 09:16:33 | 902ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 05:37:31 | 825ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 21:00:13 | 1128ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-13 19:43:08 | 1533ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-04 11:18:15 | 745ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 15:34:10 | 873ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 03:13:27 | 6652ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-16 13:43:58 | 1284ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 07:49:53 | 2128ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-30 11:31:04 | 1683ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 16:22:28 | 1238ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 17:45:08 | 1287ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-11 23:30:44 | 9826ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-02 20:07:27 | 1131ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-02 19:19:19 | 9754ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 17:28:32 | 962ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 02:56:45 | 971ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 22:15:13 | 922ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-26 07:02:34 | 1118ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-23 03:42:43 | 1378ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 07:41:28 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |