laerdetnu.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 46.183.139.209 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 |
|---|---|---|---|---|---|---|---|
| 46.183.139.209 | 3600s | web9.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 | CNAME / IP |
|---|---|
| 🔷 Autodiscover | laerdetnu.dk → 46.183.139.209 |
| 🔶 Autoconfig | laerdetnu.dk → 46.183.139.209 |
| 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 (laerdetnu.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| Policy | Record (_dmarc.laerdetnu.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; |
| www CNAME | laerdetnu.dk (all on laerdetnu.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 2/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.laerdetnu.dk | laerdetnu.dk |
| 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@laerdetnu.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 22:34:19 shown | 763ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-09 14:00:26 | 848ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 19:49:46 | 1528ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-01 18:36:33 | 882ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-26 17:36:17 | 905ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 08:08:58 | 711ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-20 05:06:53 | 861ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-13 03:42:42 | 9730ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-09 21:54:27 | 1091ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-02 21:41:40 | 847ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-28 07:45:54 | 9710ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 11:17:59 | 1616ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 11:09:20 | 895ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 08:25:54 | 1311ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 20:02:19 | 3478ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-06 23:13:05 | 1425ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-02 16:30:35 | 1396ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-23 06:17:50 | 24927ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-17 00:10:21 | 889ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-13 13:34:18 | 8611ms | 5 NS 1 A 3 MX | ❓ Unknown |
| 2026-07-03 11:26:39 | 1855ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 22:21:44 | 2145ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 08:19:33 | 929ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-19 16:47:36 | 1047ms | 5 NS 1 A 3 MX | ⚠️ Bogus |
| 2026-06-18 12:03:01 | 3313ms | 5 NS 1 A 3 MX | ⚠️ Bogus |