core-network.dk is a .dk domain served by 5 nameservers (ns1.he.net, ns2.he.net, ns3.he.net and 2 more). It was registered on 27 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.208.56.227 is hosted by FIBIA P/S (AS44869) in Denmark. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 80.208.56.227 | 3600s | 80.208.56.227.static.fibianet.dk | AS44869 | FIBIA P/S | 80.208.0.0/17 | 🇩🇰 Denmark | Silkeborg |
| TXT Record |
|---|
| OWN-REDEL-5a219f2a9f38f29f966527ac9d15895a |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| 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 | 2022041400 |
| Primary NS (MNAME) | ns1.he.net |
| Responsible (RNAME) | hostmaster@he.net |
| Refresh | 86400s |
| Retry | 7200s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 172800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2022-03-27 |
| Expires | 2027-03-26 (158d) |
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 |
|---|---|
| ingerslevnet.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 22:34:07 | 652ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 19:49:33 shown | 791ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 06:39:33 | 576ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 10:46:29 | 504ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-01 14:48:22 | 1099ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 20:02:35 | 671ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 17:18:46 | 621ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-29 17:53:00 | 848ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 22:27:04 | 1238ms | 5 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 06:52:00 | 928ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 22:26:55 | 519ms | 5 NS 1 A 0 MX | 🔓 Insecure |