langstack.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 4 May 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 94.231.103.100 is hosted by team.blue Denmark A/S (AS48854) in Denmark. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 94.231.103.100 | 600s | dnsforward.simply.com | AS48854 | team.blue Denmark A/S | 94.231.96.0/20 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.99.90.112 |
| 🔶 Autoconfig | 91.99.90.112 |
| www | 94.231.103.100 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.langstack.dk | Xq9wSAspVcE2VMEWAHiexS71A4CS0I1MwVGzaAl7zqs |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101500 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2026-05-04 |
| Expires | 2027-05-03 (190d) |
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).
| Domain | Registrar |
|---|---|
| datastack.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 04:46:41 shown | 594ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-20 17:56:08 | 299ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-16 13:42:26 | 304ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-13 05:45:18 | 344ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 03:56:43 | 450ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-06 21:14:13 | 1263ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 19:16:15 | 358ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 19:13:23 | 984ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 19:06:28 | 327ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 19:05:04 | 637ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 13:17:44 | 454ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 12:56:56 | 494ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-09 10:25:25 | 2554ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 07:11:40 | 873ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-24 01:50:55 | 1914ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-18 20:35:05 | 1567ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 01:06:47 | 2732ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-22 19:04:36 | 1114ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:48:26 | 715ms | 3 NS 0 A 0 MX | 🔒 Secure |