rethinkable.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 28 January 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.158.231.158 is hosted by Scaleway SAS (AS12876) in The Netherlands. 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 |
|---|---|---|---|---|---|---|---|
| 51.158.231.158 | — | 158-231-158-51.instances.scw.cloud | AS12876 | Scaleway SAS | 51.158.0.0/15 | 🇳🇱 The Netherlands | Haarlem |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:bc8:5090:d:: | — | 0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.d.0.0.0.0.9.0.5.8.c.b.0.1.0.0.2.lb.nl-ams.scw.cloud | AS12876 | Scaleway SAS | 2001:bc8:0:0:0:0:0:0/32 | 🇳🇱 The Netherlands | Amsterdam |
| www CNAME | edgec726c876-gateway.functions.fnc.nl-ams.scw.cloud (all on scw.cloud) |
| www vs bare domain | Same network rethinkable.dk: 51.158.231.158 2001:bc8:5090:d:: (AS12876) www.rethinkable.dk: 51.158.231.158 2001:bc8:5090:d:: (AS12876) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 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 | 2026061100 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2023-01-28 |
| Expires | 2027-01-27 (100d) |
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 |
|---|---|
| cc42.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:01:57 | 1630ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-02 06:28:49 | 2068ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-25 05:02:54 | 819ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-04 13:35:18 | 697ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 11:36:12 | 1078ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 07:23:42 | 4446ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-23 22:02:58 | 1185ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 06:49:32 | 5362ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 19:33:44 shown | 687ms | 3 NS 1 A 0 MX | 🔓 Insecure |