gkat.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 5 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.48.73.131 is hosted by Sentia Denmark A/S (AS47292) 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 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 |
|---|---|---|---|---|---|---|---|
| 86.48.73.131 | 3600s | — | AS47292 | Sentia Denmark A/S | 86.48.72.0/21 | 🇩🇰 Denmark | — |
| www | 86.48.73.131 (AS47292) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025112405 |
| 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 | 2018-09-05 |
| Expires | 2027-09-30 (342d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 20:20:32 | 718ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 20:14:27 shown | 621ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 09:24:12 | 516ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-13 15:50:40 | 677ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-20 12:35:28 | 9439ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 10:32:16 | 484ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 10:31:34 | 468ms | 4 NS 1 A 0 MX | 🔒 Secure |