smub.dk is a .dk domain served by 2 nameservers (brenda.ns.cloudflare.com, earl.ns.cloudflare.com). It was registered on 26 February 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is DNSSEC-signed but currently fails validation, 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.
| TXT Record |
|---|
| v=spf1 include:_spf.google.com ~all |
| Policy | Record (smub.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.google.com ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves smub.dk: no address www.smub.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'smub.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2406975837 |
| Primary NS (MNAME) | brenda.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2004-02-26 |
| Expires | 2027-02-28 (129d) |
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 |
|---|---|---|---|
| 2026-10-17 20:32:56 | 763ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-10-08 06:32:48 | 2926ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-09-25 02:55:08 | 1228ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-09-04 01:43:51 | 10147ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-08-26 21:11:27 | 2570ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-08-20 08:45:24 | 9177ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-08-11 04:39:10 | 2152ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-06-25 05:16:56 | 904ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-06-24 05:23:15 | 953ms | 2 NS 0 A 5 MX | ❓ Unknown |
| 2026-06-22 07:13:29 | 1164ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 16:31:30 | 1528ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-06-19 20:09:22 | 1141ms | 2 NS 0 A 5 MX | 🔓 Insecure |
| 2026-06-17 14:36:53 shown | 2074ms | 2 NS 0 A 5 MX | ⚠️ Bogus |