nilsson-byg.dk is a .dk domain served by 2 nameservers (drew.ns.cloudflare.com, hazel.ns.cloudflare.com). It was registered on 12 December 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.86.141 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.86.141 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.220.145 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:dc91 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::6815:568d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.86.141,172.67.220.145 ech=AEX+DQBBDwAgACA090/VKnbIkaVzCLYrjIxI7kAc30UyQ+Q5PY1VHeq8bwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:dc91,2606:4700:3036::6815:568d |
| www | 104.21.86.141 172.67.220.145 2606:4700:3030::ac43:dc91 2606:4700:3036::6815:568d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network nilsson-byg.dk: 104.21.86.141 172.67.220.145 2606:4700:3030::ac43:dc91 2606:4700:3036::6815:568d (AS13335) www.nilsson-byg.dk: 104.21.86.141 172.67.220.145 2606:4700:3030::ac43:dc91 2606:4700:3036::6815:568d (AS13335) |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'nilsson-byg.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2411771565 |
| Primary NS (MNAME) | drew.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 | 2023-12-12 |
| Expires | 2026-12-11 (49d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 14:13:29 | 749ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 10:13:17 | 591ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 10:49:40 | 2468ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 05:44:25 | 528ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 05:19:29 | 705ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:12:38 | 523ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-10 15:04:36 shown | 9019ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-23 14:22:34 | 671ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-28 05:09:25 | 1662ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 02:14:47 | 565ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-18 08:34:09 | 961ms | 2 NS 2 A 0 MX | 🔓 Insecure |