u27.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 17 August 2026 (WHOIS) and first appeared in the .dk zone on 18 August 2026. The zone is DNSSEC-signed and validates, 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.
| www | NXDOMAIN |
| www vs bare domain | Neither resolves u27.dk: no address www.u27.dk: no address |
| 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 |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026081701 |
| 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 | 2026-08-17 |
| Expires | 2027-08-16 (300d) |
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 |
|---|---|
| v37.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 23:37:26 | 878ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-16 22:55:43 | 610ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-12 15:13:47 | 846ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-11 14:24:48 | 1701ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 07:26:05 | 2870ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-08 07:21:52 | 702ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-04 05:21:26 | 678ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-03 05:20:06 | 1659ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-02 05:16:44 | 731ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 04:59:28 | 1032ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-28 23:16:48 | 595ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 22:47:45 | 766ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 16:02:29 | 674ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 14:46:30 | 643ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-22 02:04:48 | 606ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-20 18:40:40 | 1010ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-13 17:01:06 | 2709ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-12 10:43:51 | 915ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-05 09:53:49 | 535ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-27 19:38:51 | 428ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 18:33:46 | 747ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-26 07:09:42 | 735ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-23 19:17:08 | 864ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-22 13:57:16 | 929ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-18 08:39:01 shown | 4210ms | 3 NS 0 A 0 MX | 🔒 Secure |