geologiske-undersögelse.dk is a .dk domain served by 2 nameservers (fatima.ns.cloudflare.com, ryan.ns.cloudflare.com). It was registered on 1 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.54.80 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| fatima.ns.cloudflare.com | — | — | — |
| ryan.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.54.80 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.136.198 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:88c6 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:3650 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.54.80,172.67.136.198 ech=AEX+DQBBBwAgACCqfmcfnIuoKJ5IlEf/fctMxRpLGzhWDr4T3BFQFMHreQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:88c6,2606:4700:3035::6815:3650 |
| www | 104.21.54.80 172.67.136.198 2606:4700:3032::ac43:88c6 2606:4700:3033::6815:3650 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network geologiske-undersögelse.dk: 104.21.54.80 172.67.136.198 2606:4700:3032::ac43:88c6 2606:4700:3033::6815:3650 (AS13335) www.geologiske-undersögelse.dk: 104.21.54.80 172.67.136.198 2606:4700:3032::ac43:88c6 2606:4700:3033::6815:3650 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2405648482 |
| Primary NS (MNAME) | fatima.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-02-01 |
| Expires | 2027-02-28 (124d) |
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).
Showing 100 of 101.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 15:27:23 | 512ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-22 14:12:55 | 1147ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-16 03:26:14 | 437ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-14 01:13:20 | 1713ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-10-01 07:00:18 | 594ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-27 23:39:57 | 600ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-15 06:45:16 | 865ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-16 19:35:38 | 1658ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-15 05:07:18 | 3227ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-13 22:47:48 | 2826ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-11 21:20:34 | 1071ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-18 05:28:27 | 8980ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-27 15:17:17 | 833ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-27 03:45:57 | 795ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-24 10:28:47 | 1855ms | 2 NS 2 A 0 MX | ⚠️ Bogus |
| 2026-06-21 01:03:44 | 502ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-20 12:51:05 | 660ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-17 09:45:59 shown | 1491ms | 2 NS 2 A 0 MX | 🔒 Secure |