casumoonline.dk is a .dk domain served by 2 nameservers (armando.ns.cloudflare.com, laura.ns.cloudflare.com). It first appeared in the .dk zone on 12 August 2026. Its website address 104.21.56.51 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 |
|---|---|---|---|---|---|---|---|
| 104.21.56.51 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.177.253 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:3833 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:b1fd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.56.51,172.67.177.253 ech=AEX+DQBBWgAgACA7xsERYDjDfCLkDiL2J2aFI/DxvJ1s8W8zy0hj0VipdwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:3833,2606:4700:3032::ac43:b1fd |
| TXT Record |
|---|
| google-site-verification=CdphPjb0jFZomC7J3ZLjDX4DoLGKs2dlYw75u9SbtMk |
| www | 104.21.56.51 172.67.177.253 2606:4700:3030::6815:3833 2606:4700:3032::ac43:b1fd (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network casumoonline.dk: 104.21.56.51 172.67.177.253 2606:4700:3030::6815:3833 2606:4700:3032::ac43:b1fd (AS13335) www.casumoonline.dk: 104.21.56.51 172.67.177.253 2606:4700:3030::6815:3833 2606:4700:3032::ac43:b1fd (AS13335) |
| 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 | 2417575599 |
| Primary NS (MNAME) | armando.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 00:02:10 shown | 3220ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 07:33:05 | 622ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-26 23:43:50 | 521ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-20 19:05:15 | 9521ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 13:10:43 | 491ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-21 14:06:31 | 2669ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-19 09:06:34 | 1724ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-18 09:04:27 | 1788ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-08-12 08:40:47 | 6186ms | 2 NS 3 A 0 MX | 🔓 Insecure |