frederikrosendahlkaa.dk is a .dk domain served by 2 nameservers (earl.ns.cloudflare.com, laura.ns.cloudflare.com). It was registered on 17 September 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.4.232 is hosted by Cloudflare, Inc. (AS13335). The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.4.232 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.132.150 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:4e8 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:8496 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.4.232,172.67.132.150 ech=AEX+DQBBeQAgACDm4hLAuwNTbA7KIAknJh93Hnr7L+jDEonkwt62DQ5PIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:4e8,2606:4700:3035::ac43:8496 |
| Policy | Record (_dmarc.frederikrosendahlkaa.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; adkim=s; aspf=s; |
| www | 104.21.4.232 172.67.132.150 2606:4700:3031::6815:4e8 2606:4700:3035::ac43:8496 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network frederikrosendahlkaa.dk: 104.21.4.232 172.67.132.150 2606:4700:3031::6815:4e8 2606:4700:3035::ac43:8496 (AS13335) www.frederikrosendahlkaa.dk: 104.21.4.232 172.67.132.150 2606:4700:3031::6815:4e8 2606:4700:3035::ac43:8496 (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 | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2417023809 |
| Primary NS (MNAME) | earl.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2013-09-17 |
| Expires | 2028-09-30 (710d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 09:34:01 shown | 1493ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-30 22:49:40 | 532ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-27 07:53:54 | 1101ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-18 23:44:15 | 1809ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-09-03 15:42:44 | 914ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-27 00:59:11 | 588ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-23 05:00:40 | 3923ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-08-02 17:03:07 | 8713ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-08 15:18:14 | 1941ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-07-06 04:23:04 | 1555ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-27 09:11:48 | 6190ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-23 14:11:38 | 913ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 10:28:35 | 633ms | 2 NS 2 A 0 MX | 🔒 Secure |
| 2026-06-17 10:24:33 | 2718ms | 2 NS 2 A 0 MX | 🔒 Secure |