dueholdings.dk is a .dk domain served by 2 nameservers (indie.ns.cloudflare.com, piers.ns.cloudflare.com). It was registered on 21 September 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.84.251 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by smtp.google.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| indie.ns.cloudflare.com | — | — | — |
| piers.ns.cloudflare.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.84.251 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.199.231 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:c7e7 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:54fb | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.84.251,172.67.199.231 ech=AEX+DQBBTgAgACBkv//ZxP4Vaum9fERkUVoG+f/WeY8RgzuorCx9S5g9PgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:c7e7,2606:4700:3035::6815:54fb |
| TXT Record |
|---|
| google-site-verification=ic0Wel_iR3zAOMMyCNip33MpQZn5T7tRcjKs0juaM90 |
| v=DMARC1; p=none; |
| www | 104.21.84.251 172.67.199.231 2606:4700:3031::ac43:c7e7 2606:4700:3032::6815:54fb (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network dueholdings.dk: 104.21.84.251 172.67.199.231 2606:4700:3031::ac43:c7e7 2606:4700:3032::6815:54fb (AS13335) www.dueholdings.dk: 104.21.84.251 172.67.199.231 2606:4700:3031::ac43:c7e7 2606:4700:3032::6815:54fb (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2406272870 |
| Primary NS (MNAME) | indie.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-09-21 |
| Expires | 2027-09-20 (332d) |
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 |
|---|---|---|---|
| 2026-10-21 19:57:37 | 2038ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-09 21:58:11 | 768ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-01 00:39:19 | 888ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 20:36:22 | 10030ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-15 14:29:58 | 1528ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-12 10:02:15 | 1270ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-10 21:21:50 | 1449ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-08 01:10:15 | 1689ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-18 17:02:46 | 1755ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-30 15:14:16 | 1020ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 04:55:13 shown | 499ms | 2 NS 2 A 1 MX | 🔓 Insecure |