mfex.dk is a .dk domain served by 2 nameservers (carlos.ns.cloudflare.com, sarah.ns.cloudflare.com). It was registered on 4 February 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.67.28 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.67.28 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.211.149 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:d395 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:431c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.67.28,172.67.211.149 ech=AEX+DQBBRwAgACABgDlvKGw/EnAfMVFUqds82K1rm8KbYb6WKuowUEnJLwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:d395,2606:4700:3033::6815:431c |
| www | 104.21.67.28 172.67.211.149 2606:4700:3032::ac43:d395 2606:4700:3033::6815:431c (AS13335) (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 | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415510462 |
| Primary NS (MNAME) | carlos.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Nordisk Media Utveckling AB |
| Registered | 2006-02-04 |
| Expires | 2027-02-28 (128d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 14:02:58 | 430ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-16 11:55:31 | 1827ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-03 18:30:54 | 1098ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 00:35:49 shown | 1552ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 17:05:47 | 583ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-22 23:02:59 | 5292ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 23:00:14 | 1298ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-10 03:54:09 | 1078ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-13 01:11:32 | 9756ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-24 13:46:22 | 823ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-24 03:15:43 | 948ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 22:59:32 | 859ms | 2 NS 2 A 0 MX | 🔓 Insecure |