træfiber-isolering.dk is a .dk domain served by 2 nameservers (archer.ns.cloudflare.com, gloria.ns.cloudflare.com). It was registered on 29 July 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.244 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 104.21.48.244 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.138.243 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:8af3 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:30f4 | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.48.244,172.67.138.243 ech=AEX+DQBBNAAgACDAjIMLMdyoyKrz46qSONFPzN+RU0NXjPG5OscOQ8iLfgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:8af3,2606:4700:3037::6815:30f4 |
| www | 104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network træfiber-isolering.dk: 104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335) www.træfiber-isolering.dk: 104.21.48.244 172.67.138.243 2606:4700:3035::ac43:8af3 2606:4700:3036::6815:30f4 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2406782727 |
| Primary NS (MNAME) | archer.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 | 2024-07-29 |
| Expires | 2027-07-28 (278d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 22:38:27 | 9429ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-16 10:04:32 | 9987ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-12 19:13:39 | 650ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-30 16:10:23 | 527ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 10:23:50 | 33975ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-18 22:17:42 | 875ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 05:07:11 | 718ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-24 08:02:33 | 1116ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 13:16:08 shown | 2865ms | 2 NS 2 A 0 MX | 🔒 Secure |