536.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 4 May 2013 (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 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 | 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 (536.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.536.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | 536.dk (all on 536.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 | 2026100801 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@536.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2013-05-04 |
| Expires | 2027-05-31 (215d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 12:00:29 | 835ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-19 07:21:26 | 709ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-18 07:14:28 | 958ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 04:35:51 | 1714ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 18:48:04 shown | 1571ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 14:43:05 | 2936ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 13:44:19 | 788ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 04:37:28 | 776ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-11 03:25:17 | 1032ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-08 20:29:42 | 951ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 01:46:50 | 635ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 23:40:30 | 6450ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 21:43:12 | 3343ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 20:54:10 | 1250ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-02 17:49:39 | 8722ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 19:34:10 | 961ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-17 02:18:16 | 811ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 05:37:15 | 2019ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 01:13:43 | 1263ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 12:47:11 | 1322ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 18:43:49 | 2072ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 06:44:18 | 599ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-20 03:36:09 | 791ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 09:46:05 | 2774ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 13:00:42 | 1496ms | 5 NS 1 A 3 MX | 🔓 Insecure |