tfsa.dk is a .dk domain served by 2 nameservers (maxim.ns.cloudflare.com, novalee.ns.cloudflare.com). It was registered on 2 March 2022 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 80.248.138.55 is hosted by Netnoerden ApS (AS216275) 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 80.248.138.55 | 300s | — | AS216275 | Netnoerden ApS | 80.248.138.0/23 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 80.248.138.55 |
| 🔶 Autoconfig | 80.248.138.55 |
| www | 80.248.138.55 (AS216275) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417766661 |
| Primary NS (MNAME) | maxim.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2022-03-02 |
| Expires | 2027-03-01 (130d) |
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 |
|---|---|---|---|
| 2026-10-18 22:05:52 shown | 4421ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-10 08:47:06 | 2272ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-05 22:18:28 | 399ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-01 21:50:22 | 2276ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 21:39:14 | 4511ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 02:49:37 | 771ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 15:14:49 | 1091ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-16 13:39:17 | 1254ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-07 04:45:13 | 1084ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-30 02:51:45 | 3811ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-28 19:04:56 | 1528ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 16:40:43 | 528ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 12:05:09 | 1633ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-20 08:11:17 | 9116ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-18 07:08:32 | 4861ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-07 19:14:50 | 809ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-25 03:59:14 | 1348ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 13:26:10 | 2941ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-25 00:10:09 | 904ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 03:43:57 | 2676ms | 2 NS 1 A 0 MX | 🔓 Insecure |