sportus.dk is a .dk domain served by 2 nameservers (sara.ns.cloudflare.com, walt.ns.cloudflare.com). It was registered on 31 October 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.47.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by server1.firstfind.nl, mx1.firstfind.nl and 1 more. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.47.28 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.144.40 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | server1.firstfind.nl | 5.157.84.5 | server1.firstfind.nl | AS48635 Your Hosting B.V. |
| 20 | 300s | mx1.firstfind.nl | 85.158.200.78 | mx1.cyso.net | AS25151 Cyso Group B.V. |
| 30 | 300s | mx2.firstfind.nl | 85.158.202.246 | free.cyso.net | AS25151 Cyso Group B.V. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:2f1c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:9028 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.47.28,172.67.144.40 ech=AEX+DQBBZQAgACBtbtiwSO282j283nT8PPUu2MbbP5kfczKC8RfNo2+KawAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:2f1c,2606:4700:3035::ac43:9028 |
| www | 104.21.47.28 172.67.144.40 2606:4700:3030::6815:2f1c 2606:4700:3035::ac43:9028 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | 2405881963 |
| Primary NS (MNAME) | sara.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2011-10-31 |
| Expires | 2026-10-31 (5d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 12:23:55 | 873ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-10-07 22:12:56 | 552ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-30 22:29:52 | 803ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-28 22:27:54 | 2028ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-09-20 07:45:30 | 1941ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-08-06 21:01:16 | 1660ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-18 06:52:55 | 41214ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-07-03 03:17:37 shown | 1163ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-22 12:50:21 | 1280ms | 2 NS 2 A 3 MX | 🔓 Insecure |
| 2026-06-17 21:04:13 | 1519ms | 2 NS 2 A 3 MX | 🔓 Insecure |