mitbyggetilbud.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 3 June 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 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 | 104.21.6.148 172.67.134.230 2606:4700:3030::ac43:86e6 2606:4700:3036::6815:694 (AS13335) (address records, no CNAME) |
| www vs bare domain | Different networks mitbyggetilbud.dk: 216.198.79.1 (AS16509) (all like this)www.mitbyggetilbud.dk: 104.21.6.148 172.67.134.230 2606:4700:3030::ac43:86e6 2606:4700:3036::6815:694 (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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 | 2026060301 |
| 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 | 2026-06-03 |
| Expires | 2027-06-02 (219d) |
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 |
|---|---|
| peardigital.dk | Simply.com A/S |
| stammer.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 06:48:14 | 1088ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-18 03:14:51 | 666ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 01:37:33 | 629ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 14:25:39 | 850ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 11:31:56 | 803ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 10:14:19 | 2222ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 05:49:09 | 437ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 03:09:58 | 971ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 02:59:01 | 753ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-13 16:49:54 | 538ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 21:12:18 | 996ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 20:44:01 | 601ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 06:36:44 | 569ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-17 20:37:43 | 594ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-12 22:25:41 | 2374ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-11 19:56:24 | 685ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 12:18:29 shown | 434ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 05:47:46 | 484ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-24 23:08:53 | 1440ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-23 15:47:16 | 1158ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 20:09:32 | 542ms | 3 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 11:51:54 | 714ms | 3 NS 0 A 0 MX | 🔒 Secure |