fairbyg.dk is a .dk domain served by 2 nameservers (aiden.ns.cloudflare.com, tessa.ns.cloudflare.com). It was registered on 31 October 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.23.53 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 |
|---|---|---|---|---|---|---|---|
| 104.21.23.53 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.209.54 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.23.53 |
| 🔶 Autoconfig | 104.21.23.53 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:1735 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:d136 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.23.53,172.67.209.54 ech=AEX+DQBBbQAgACDRh8EBBYsg5gKR/MjDbn7NihoT9MYyzy/BWffmjeQMZwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:1735,2606:4700:3036::ac43:d136 |
| www | 185.20.205.76 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| 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 | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2405386332 |
| Primary NS (MNAME) | aiden.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 | 2019-10-31 |
| Expires | 2026-10-31 (12d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 01:58:21 | 1991ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-03 23:22:53 | 382ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-14 15:40:45 | 648ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-26 11:24:07 | 9853ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-17 21:49:24 | 2773ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-02 00:19:23 shown | 2852ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 09:12:30 | 1122ms | 2 NS 2 A 0 MX | 🔓 Insecure |