tandlægecenter.dk is a .dk domain served by 2 nameservers (elinore.ns.cloudflare.com, noel.ns.cloudflare.com). It was registered on 30 January 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.83.114 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.83.114 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.175.140 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.83.114 |
| 🔶 Autoconfig | 104.21.83.114 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3037::6815:5372 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:af8c | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.83.114,172.67.175.140 ech=AEX+DQBBoQAgACDRLi6HQpKnzBgq+2zMDDk03qbyJ+f0IU1YkBjn8Q76eQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3037::6815:5372,2606:4700:3037::ac43:af8c |
| www | 104.21.83.114 172.67.175.140 2606:4700:3037::6815:5372 2606:4700:3037::ac43:af8c (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network tandlægecenter.dk: 104.21.83.114 172.67.175.140 2606:4700:3037::6815:5372 2606:4700:3037::ac43:af8c (AS13335) www.tandlægecenter.dk: 104.21.83.114 172.67.175.140 2606:4700:3037::6815:5372 2606:4700:3037::ac43:af8c (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.tandlægecenter.dk | bsx_A2I9WiIBcRjW2rRjIw_HBHq76nDUJxjfOV2T_DA |
| TXT | _acme-challenge.tandlægecenter.dk | fUgvD_LFIt2W56XjANWfF1qw6bX1BmZSPtgL9o_H8Q8 |
| 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 | 2417883615 |
| Primary NS (MNAME) | elinore.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 | 2025-01-30 |
| Expires | 2027-01-29 (96d) |
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).
Showing 100 of 151.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 15:27:09 shown | 650ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-30 14:59:12 | 1245ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 17:28:31 | 623ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 22:56:50 | 713ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-23 03:48:29 | 2020ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-21 03:24:36 | 2812ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-20 00:52:54 | 5912ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-17 22:48:22 | 4564ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-08-15 00:34:40 | 2399ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-17 11:12:13 | 8830ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-29 23:06:59 | 790ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-28 06:27:02 | 928ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 14:07:30 | 2267ms | 2 NS 2 A 0 MX | 🔒 Secure |