keldmannhealthcare.dk is a .dk domain served by 2 nameservers (celeste.ns.cloudflare.com, chuck.ns.cloudflare.com). It was registered on 4 July 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.6.28 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by post.it-kons.dk. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.6.28 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.154.154 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | post.it-kons.dk | — | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::ac43:9a9a | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::6815:61c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.6.28,172.67.154.154 ech=AEX+DQBBFwAgACB2EEpsZZw0R0EZqfOsJ+bxtwUF9yOZ1JwVvO9SAb63WgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::ac43:9a9a,2606:4700:3037::6815:61c |
| www | 104.21.6.28 172.67.154.154 2606:4700:3035::ac43:9a9a 2606:4700:3037::6815:61c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network keldmannhealthcare.dk: 104.21.6.28 172.67.154.154 2606:4700:3035::ac43:9a9a 2606:4700:3037::6815:61c (AS13335) www.keldmannhealthcare.dk: 104.21.6.28 172.67.154.154 2606:4700:3035::ac43:9a9a 2606:4700:3037::6815:61c (AS13335) |
| Wildcard | No |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.keldmannhealthcare.dk | ZYAr-tH8jpM84nQp7GMIXNuPiKTGU2JS4IzGSzlE-HA |
| 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 | 2417677170 |
| Primary NS (MNAME) | celeste.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 | 2011-07-04 |
| Expires | 2027-07-31 (284d) |
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 |
|---|---|
| fornyelsestræet.dk | Punktum dk A/S (direct) |
| innovationtree.dk | Punktum dk A/S (direct) |
| keldmann.dk | Punktum dk A/S (direct) |
| keldmanninnovation.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 01:05:21 shown | 1680ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-10-17 00:43:23 | 749ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 22:21:39 | 2544ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 00:14:27 | 2741ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-28 07:01:12 | 834ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-24 01:34:33 | 1772ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-27 18:21:31 | 2766ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-19 08:25:33 | 3267ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-25 15:24:30 | 1007ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-07-03 02:26:34 | 1501ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 12:56:26 | 14692ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 09:16:21 | 1181ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 02:57:11 | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 20:47:26 | 937ms | 2 NS 2 A 1 MX | 🔓 Insecure |