cancersæby.dk is a .dk domain served by 2 nameservers (ajay.ns.cloudflare.com, naya.ns.cloudflare.com). It was registered on 24 November 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.81.194 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.81.194 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.190.151 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.67.190.151 |
| 🔶 Autoconfig | 104.21.81.194 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3034::ac43:be97 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:51c2 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.81.194,172.67.190.151 ech=AEX+DQBBYwAgACA6PkuRPS6xF3vzAy7bdYZAugj4np19oXE54qofM/VcSQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3034::ac43:be97,2606:4700:3037::6815:51c2 |
| TXT Record |
|---|
| v=spf1 a mx ip4:65.108.197.134 ip6:2a01:4f9:1a:99b1:0:0:0:2 ~all |
| Policy | Record (cancersæby.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ip4:65.108.197.134 ip6:2a01:4f9:1a:99b1:0:0:0:2 ~all |
| Policy | Record (_dmarc.cancersæby.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject; aspf=s |
| www | Address record (no CNAME) |
| Wildcard | No |
DNS lookups: 2/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2416555495 |
| Primary NS (MNAME) | ajay.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 | 2015-11-24 |
| Expires | 2026-11-30 (39d) |
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 |
|---|---|
| cancerfrederikshavn.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 11:55:53 shown | 1598ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-09-05 14:08:20 | 9482ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 18:10:40 | 643ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-06 05:26:01 | 1111ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-09 05:43:45 | 1949ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-26 20:59:05 | 1524ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-25 14:23:19 | 694ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-22 17:22:57 | 279ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 00:14:12 | 343ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-16 19:10:03 | 637ms | 2 NS 2 A 0 MX | 🔒 Secure |