checker.dk is a .dk domain served by 2 nameservers (ns3.webhot.dk, ns4.webhot.dk). It was registered on 19 September 2000 (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 this 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 |
|---|
| 848c608447ce0d0f756e271e7eaf7dfab7e01ed6 |
| Hosted by Web-Hotel Danmark - http://www.webhot.dk/ |
| v=spf1 -all |
| Policy | Record (checker.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 | 2026091387 |
| Primary NS (MNAME) | ns3.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 | 2000-09-19 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 16:46:36 | 1219ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-14 14:35:39 | 487ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-13 13:30:24 | 363ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-12 13:04:45 | 484ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-11 11:10:25 | 488ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-09 22:44:35 | 812ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-07 19:29:37 | 336ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-02 20:44:32 | 287ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-01 20:43:29 | 322ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-23 17:44:38 | 480ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-18 22:09:13 shown | 708ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-06 08:44:03 | 9406ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-05 04:44:23 | 540ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 03:10:59 | 9507ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-18 02:42:43 | 632ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-13 04:24:16 | 545ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-06 21:32:20 | 840ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-26 10:54:08 | 564ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-25 10:12:19 | 541ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 09:25:35 | 534ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 05:53:20 | 547ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-16 19:37:37 | 2201ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-12 22:11:03 | 2464ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-10 15:23:39 | 645ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-08 13:30:16 | 1432ms | 2 NS 1 A 0 MX | 🔓 Insecure |