tellstrom.dk is a .dk domain served by 2 nameservers (apollo.ns.cloudflare.com, norah.ns.cloudflare.com). It was registered on 7 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| www | Exists, no address |
| www vs bare domain | Neither resolves tellstrom.dk: no address www.tellstrom.dk: no address |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2416259327 |
| Primary NS (MNAME) | apollo.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2025-02-07 |
| Expires | 2027-02-06 (110d) |
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 |
|---|---|
| tellstroem.dk | Simply.com A/S |
| tidtiltek.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:15:27 shown | 821ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-01 03:26:50 | 1171ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-28 02:40:18 | 492ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-24 01:47:38 | 505ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-07 06:41:54 | 1001ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-09-04 08:02:15 | 989ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-13 21:54:56 | 808ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-26 11:46:04 | 816ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-25 11:08:07 | 8758ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-22 07:10:20 | 9138ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-29 16:58:10 | 845ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 16:23:59 | 343ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 02:09:43 | 600ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 08:29:48 | 601ms | 2 NS 0 A 0 MX | 🔒 Secure |