jernbaneselskabet.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 2008 (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, has no 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 | 360s | — | 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 | jernbaneselskabet.dk → 46.183.138.100 |
| 🔶 Autoconfig | jernbaneselskabet.dk → 46.183.138.100 |
| 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 (jernbaneselskabet.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.gigahost.dk -all |
| www CNAME | jernbaneselskabet.dk (all on jernbaneselskabet.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.jernbaneselskabet.dk | jernbaneselskabet.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 | 2026102201 |
| Primary NS (MNAME) | ns1.gigahost.dk |
| Responsible (RNAME) | hostmaster@jernbaneselskabet.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-05-04 |
| Expires | 2027-07-31 (276d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 05:25:05 shown | 541ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-15 20:41:20 | 999ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-08 08:18:59 | 891ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-10-02 01:15:10 | 1592ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-24 23:32:28 | 720ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-22 13:15:12 | 1244ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-15 12:18:58 | 1279ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-09-09 07:02:28 | 686ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-27 22:16:02 | 727ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-26 21:42:26 | 927ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-20 14:06:37 | 5846ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-14 01:50:02 | 1318ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-08-09 04:51:01 | 8793ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-31 17:00:30 | 9247ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-24 01:33:34 | 9900ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-16 14:25:26 | 1503ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-09 20:39:00 | 987ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-07-03 18:32:18 | 2992ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-25 19:58:11 | 1021ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-24 22:55:09 | 844ms | 5 NS 1 A 3 MX | 🔓 Insecure |
| 2026-06-17 12:58:26 | 2570ms | 5 NS 1 A 3 MX | ⚠️ Bogus |