kjærbo.dk is a .dk domain served by 2 nameservers (mimi.ns.cloudflare.com, scott.ns.cloudflare.com). It was registered on 21 May 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.48.201 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.48.201 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.187.236 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:30c9 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:bbec | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.48.201,172.67.187.236 ech=AEX+DQBB5QAgACBvkezoVuNwfnPTHvHb0ECno97zVV54tG0cqmryxMEjBwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:30c9,2606:4700:3036::ac43:bbec |
| www | Exists, no address |
| www vs bare domain | www does not resolve kjærbo.dk: 104.21.48.201 172.67.187.236 2606:4700:3035::6815:30c9 2606:4700:3036::ac43:bbec (AS13335) (all like this)www.kjærbo.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2416952957 |
| Primary NS (MNAME) | mimi.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 | 2017-05-21 |
| Expires | 2027-05-31 (222d) |
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).
| Domain | Registrar |
|---|---|
| bk-polstring.dk | Simply.com A/S |
| vinstrupit.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 09:01:45 shown | 4083ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-09-30 05:15:51 | 473ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 03:38:22 | 9408ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-20 21:19:50 | 677ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-14 10:57:33 | 716ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-22 01:32:37 | 5985ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-29 01:21:23 | 1648ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-19 19:30:28 | 938ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-18 19:23:24 | 49249ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-17 17:23:38 | 9449ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-04 17:25:42 | 881ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-25 02:06:49 | 814ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-22 12:27:54 | 806ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-22 08:48:55 | 346ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-21 03:44:15 | 840ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-21 00:31:00 | 388ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-18 00:38:33 | 15601ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-17 23:20:05 | 10333ms | 2 NS 2 A 0 MX | 🔒 Secure |