3sn.dk is a .dk domain served by 5 nameservers (ns1.gigahost.dk, ns2.gigahost.dk, ns3.gigahost.dk and 2 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.183.139.213 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.213 | 3600s | web13.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 (3sn.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.3sn.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | 3sn.dk (all on 3sn.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 | 2026101501 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@3sn.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 02:55:13 shown | 1618ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 10:18:53 | 2715ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 03:15:31 | 870ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 02:32:36 | 778ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 11:00:48 | 784ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-19 13:30:47 | 866ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-12 07:01:14 | 1370ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-09 21:51:17 | 939ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-05 20:15:47 | 826ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 21:23:11 | 799ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 02:54:48 | 678ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 14:35:17 | 8402ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 02:53:27 | 3104ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-07 13:59:13 | 9808ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 17:37:47 | 1326ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 21:59:18 | 9787ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-10 02:46:16 | 998ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 13:42:17 | 1302ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-27 01:17:59 | 923ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-22 12:36:26 | 827ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-18 10:01:20 | 1355ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-16 12:54:23 | 2047ms | 5 NS 1 A 3 MX | 🔓 Insecure |