cay-wulff.dk is a .dk domain served by 2 nameservers (ns3.webhot.dk, ns4.webhot.dk). It was registered on 16 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 178.72.21.249 is hosted by Cibicom A/S (AS3342) in Denmark. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns3.webhot.dk | 178.72.21.249 | abraham.webhot.dk | AS3342 Cibicom A/S |
| ns4.webhot.dk | 178.72.21.250 | skinner.webhot.dk | AS3342 Cibicom A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 178.72.21.249 | 1800s | abraham.webhot.dk | AS3342 | Cibicom A/S | 178.72.16.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| Hosted by Web-Hotel Danmark - http://www.webhot.dk/ |
| v=spf1 -all |
| Policy | Record (cay-wulff.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | 178.72.21.249 (AS3342) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2026101402 |
| Primary NS (MNAME) | ns4.webhot.dk |
| Responsible (RNAME) | hostmaster@webhot.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2002-01-16 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|
| dansklandbrugsformidling.dk | Punktum dk A/S (direct) |
| djursrevision.dk | DANDOMAIN A/S |
| landbobiodiversitet.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 21:37:59 shown | 285ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-14 21:17:17 | 528ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-13 19:35:40 | 1290ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-12 18:10:24 | 480ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-11 14:58:52 | 1659ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-09 05:40:19 | 547ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-03 01:28:13 | 552ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-02 01:26:09 | 370ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-20 22:43:32 | 711ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-13 20:21:15 | 616ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-09 00:25:54 | 644ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 22:26:34 | 556ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-17 16:23:05 | 1890ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-12 08:03:14 | 2448ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-06 10:02:48 | 546ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-01 20:38:10 | 450ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-31 14:21:08 | 788ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-26 09:06:24 | 8575ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-25 08:32:35 | 459ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 07:25:57 | 448ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 03:44:29 | 9400ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-18 03:57:24 | 6586ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-17 03:05:03 | 4587ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-13 05:35:40 | 519ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-10 15:31:57 | 2379ms | 2 NS 1 A 0 MX | 🔓 Insecure |