circus.dk is a .dk domain served by 2 nameservers (andy.ns.cloudflare.com, olga.ns.cloudflare.com). It was registered on 22 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.2.12 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by localhost. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.2.12 | 600s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.128.143 | 600s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.128.143 |
| 🔶 Autoconfig | 104.21.2.12 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3032::ac43:808f | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:20c | 600s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.2.12,172.67.128.143 ech=AEX+DQBBCAAgACD9zd1q9u9K2w7TM8YeqgdrGgSMCrwBvsmN28ulqXrqcwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3032::ac43:808f,2606:4700:3037::6815:20c |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (circus.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | 64.190.63.222 (AS47846) (address records, no CNAME) |
| www vs bare domain | Different networks circus.dk: 104.21.2.12 172.67.128.143 2606:4700:3032::ac43:808f 2606:4700:3037::6815:20c (AS13335) (all like this)www.circus.dk: 64.190.63.222 (AS47846) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 0/10 · policy: -all
No problems found| 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 | 2405946129 |
| Primary NS (MNAME) | andy.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 | 2018-02-22 |
| Expires | 2027-02-28 (134d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 03:32:06 | 1715ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-31 16:10:44 | 1736ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:42:54 | 9748ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-02 13:09:00 | 8627ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 03:22:13 | 914ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-23 10:18:28 shown | 835ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-20 02:09:04 | 7844ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-19 06:48:06 | 864ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-16 20:50:39 | 514ms | 2 NS 2 A 1 MX | 🔓 Insecure |