kalundborghavn.dk is a .dk domain served by 2 nameservers (sage.ns.cloudflare.com, violet.ns.cloudflare.com). It was registered on 16 July 2004 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.87.145 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by kalundborghavn-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 104.21.87.145 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.169.229 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::6815:5791 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:a9e5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.87.145,172.67.169.229 ech=AEX+DQBBVAAgACCYaEk5fchu1YXXkg45WmJCudxxajgUL6N7HV1VnKDVcgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::6815:5791,2606:4700:3033::ac43:a9e5 |
| TXT Record |
|---|
| v=spf1 mx include:spf.protection.outlook.com include:_spf.xtracon.dk ip4:77.66.4.243 ip4:51.105.119.1 include:spf.mailanyone.net -all |
| Policy | Record (kalundborghavn.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf.protection.outlook.com include:_spf.xtracon.dk ip4:77.66.4.243 ip4:51.105.119.1 include:spf.mailanyone.net -all |
| www | 104.21.87.145 172.67.169.229 2606:4700:3030::6815:5791 2606:4700:3033::ac43:a9e5 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network kalundborghavn.dk: 104.21.87.145 172.67.169.229 2606:4700:3030::6815:5791 2606:4700:3033::ac43:a9e5 (AS13335) www.kalundborghavn.dk: 104.21.87.145 172.67.169.229 2606:4700:3030::6815:5791 2606:4700:3033::ac43:a9e5 (AS13335) |
| Wildcard | No |
DNS lookups: 4/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415306932 |
| Primary NS (MNAME) | sage.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2004-07-16 |
| Expires | 2027-07-31 (285d) |
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 |
|---|---|
| cruisekalundborg.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 21:48:07 shown | 674ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 04:26:02 | 1546ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-19 12:29:19 | 1391ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-21 10:22:50 | 11990ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-21 06:36:03 | 9919ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 08:48:26 | 1560ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-25 21:05:51 | 2290ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 19:56:52 | 1197ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-22 20:52:37 | 998ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:28:10 | 1644ms | 2 NS 2 A 1 MX | 🔓 Insecure |