5os.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 June 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.221 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.221 | 3600s | web21.gigahost.dk | 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 (5os.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.5os.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | 5os.dk (all on 5os.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 | 2026070201 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@5os.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | GIGAHOST ApS |
| Registered | 2016-06-04 |
| Expires | 2027-06-30 (256d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 10:25:30 | 1253ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 15:07:04 | 2734ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 11:08:30 | 1950ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-25 10:28:59 | 2697ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 19:11:07 | 953ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-18 02:35:58 | 1269ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-15 23:52:27 | 977ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-07 14:48:27 | 909ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 18:53:13 | 1039ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 22:42:06 | 2140ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 01:50:28 | 948ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 11:09:24 | 8973ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-31 21:39:39 | 1514ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 10:44:02 | 10068ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 22:35:11 | 1426ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 07:32:03 | 1352ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 11:00:17 shown | 2699ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 12:29:03 | 1094ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 22:25:35 | 2543ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 14:14:03 | 2066ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 08:36:55 | 832ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:41:54 | 565ms | 5 NS 1 A 3 MX | 🔓 Insecure |