cyclus.dk is a .dk domain served by 2 nameservers (amber.ns.cloudflare.com, chris.ns.cloudflare.com). It first appeared in the .dk zone on 8 July 2026. Its website address 104.21.41.160 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 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 |
|---|---|---|---|---|---|---|---|
| 104.21.41.160 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.148.56 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.41.160 |
| 🔶 Autoconfig | 172.67.148.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:9438 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::6815:29a0 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.41.160,172.67.148.56 ech=AEX+DQBB7gAgACDoD2qhE9kcFfC7wZtZ36bL04OgI/It4PNycei1NXSiYwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:9438,2606:4700:3033::6815:29a0 |
| www | 104.21.41.160 172.67.148.56 2606:4700:3032::ac43:9438 2606:4700:3033::6815:29a0 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2415547244 |
| Primary NS (MNAME) | amber.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 22:16:27 shown | 437ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 03:38:55 | 535ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 18:22:50 | 1350ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-21 03:30:40 | 1950ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-14 02:00:25 | 699ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-11 13:18:09 | 528ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:21:54 | 1192ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 14:27:34 | 7791ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-17 01:42:12 | 989ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-08 08:52:34 | 1204ms | 3 NS 1 A 2 MX | 🔓 Insecure |