kjaercon.dk is a .dk domain served by 2 nameservers (alfred.ns.cloudflare.com, fish.ns.cloudflare.com). It was registered on 8 October 2026 (WHOIS) and first appeared in the .dk zone on 9 October 2026. Its website address 104.21.62.234 is hosted by Cloudflare, Inc. (AS13335). The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.62.234 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.140.11 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::6815:3eea | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3036::ac43:8c0b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.62.234,172.67.140.11 ech=AEX+DQBBiwAgACDx7lbcZ+vH88L9LsKI4dnBW3D1vBxTvtaUjwcXjlNyMwAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::6815:3eea,2606:4700:3036::ac43:8c0b |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (kjaercon.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.kjaercon.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:lassekjaer9@gmail.com |
| www | Exists, no address |
| www vs bare domain | www does not resolve kjaercon.dk: 104.21.62.234 172.67.140.11 2606:4700:3034::6815:3eea 2606:4700:3036::ac43:8c0b (AS13335) (all like this)www.kjaercon.dk: no address |
| 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 |
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 | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417494713 |
| Primary NS (MNAME) | alfred.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 | 2026-10-08 |
| Expires | 2027-10-07 (355d) |
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 |
|---|---|---|---|
| 2026-10-15 18:42:12 shown | 2303ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-11 13:52:10 | 2038ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-10-10 13:03:36 | 219ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 08:41:51 | 3993ms | 1 NS 0 A 0 MX | ❓ Unknown |