niklassb.dk is a .dk domain served by 2 nameservers (ashley.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 29 April 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.190 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx.unoeuro.com. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.4.190 | — | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.42 | — | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.unoeuro.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3036::ac43:9a2a | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:4be | — | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.190,172.67.154.42 ech=AEX+DQBB5wAgACAfhnj2QjvcLesWssUrB3a5fnOhseRkvqgkI6RuTYeBJAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3036::ac43:9a2a,2606:4700:3037::6815:4be |
| www | 104.21.4.190 172.67.154.42 2606:4700:3030::ac43:9a2a 2606:4700:3036::6815:4be (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network niklassb.dk: 104.21.4.190 172.67.154.42 2606:4700:3030::ac43:9a2a 2606:4700:3036::6815:4be (AS13335) www.niklassb.dk: 104.21.4.190 172.67.154.42 2606:4700:3030::ac43:9a2a 2606:4700:3036::6815:4be (AS13335) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| 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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2406765834 |
| Primary NS (MNAME) | ashley.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2017-04-29 |
| Expires | 2027-04-30 (194d) |
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 |
|---|---|---|---|
| 2026-10-11 12:48:22 | 2060ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-27 16:56:25 | 605ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-26 20:51:35 | 667ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-25 20:23:37 | 690ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 11:46:50 | 2196ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-07 23:36:14 | 1915ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-23 20:12:38 | 3324ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-06 13:01:26 | 1375ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-29 13:13:55 | 9810ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-06 19:55:01 | 986ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-05 06:42:21 | 1496ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 01:53:47 | 998ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-17 15:33:53 shown | 11856ms | 2 NS 2 A 1 MX | 🔓 Insecure |