cowi-holding.dk is a .dk domain served by 4 nameservers (ns1.eurodns.com, ns2.eurodns.com, ns3.eurodns.com and 1 more). It was registered on 5 May 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.92.65.188 is hosted by Datacenter Luxembourg S.A. (AS24611) in Luxembourg. 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 |
|---|---|---|---|---|---|---|---|
| 80.92.65.188 | 3600s | 80-92-65-188.ip.dclux.com | AS24611 | Datacenter Luxembourg S.A. | 80.92.64.0/19 | 🇱🇺 Luxembourg | Luxembourg |
| www | 80.92.65.188 (AS24611) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2021032759 |
| Primary NS (MNAME) | ns1.eurodns.com |
| Responsible (RNAME) | hostmaster@eurodns.com |
| Refresh | 43200s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Eurodns S.A |
| Registered | 2010-05-05 |
| Expires | 2027-05-31 (222d) |
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 |
|---|---|---|---|
| 2026-10-20 08:10:08 shown | 525ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-03 09:54:39 | 562ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-02 09:53:46 | 1478ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-30 09:39:56 | 535ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 10:43:39 | 733ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-14 09:17:26 | 734ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-31 16:26:33 | 549ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 01:04:16 | 532ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 00:09:29 | 9579ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 11:35:05 | 533ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 11:43:58 | 4168ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-21 12:35:08 | 16575ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-20 11:54:19 | 816ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-10 16:19:13 | 16767ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-03 21:02:29 | 10418ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-01 19:20:29 | 853ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 03:57:29 | 780ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 17:49:10 | 981ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-22 14:35:42 | 1183ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 19:23:48 | 453ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 10:14:40 | 886ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 06:36:55 | 423ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 22:36:07 | 456ms | 4 NS 1 A 0 MX | 🔒 Secure |