byrdam.dk is a .dk domain served by 2 nameservers (ivy.ns.cloudflare.com, newt.ns.cloudflare.com). It was registered on 16 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.91.162 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.91.162 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.175.135 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:5ba2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:af87 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.91.162,172.67.175.135 ech=AEX+DQBBZQAgACAEudK70+QtQBQuisRtaRBEifGNxMANoe/QOzs/lZpiZQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:5ba2,2606:4700:3037::ac43:af87 |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve byrdam.dk: 104.21.91.162 172.67.175.135 2606:4700:3033::6815:5ba2 2606:4700:3037::ac43:af87 (AS13335) (all like this)www.byrdam.dk: no address |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2414175546 |
| Primary NS (MNAME) | ivy.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 | 2016-01-16 |
| Expires | 2028-01-31 (469d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-06 17:21:39 | 380ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 16:12:18 shown | 441ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-24 18:00:57 | 531ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-07 01:40:16 | 627ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 16:46:17 | 875ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-24 19:31:41 | 8455ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 14:42:15 | 8829ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-18 00:31:18 | 924ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-16 21:02:21 | 8693ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-15 08:58:36 | 2766ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-09 15:04:39 | 2524ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-21 19:37:55 | 501ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 18:25:30 | 350ms | 2 NS 2 A 0 MX | 🔓 Insecure |