tandtek.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 26 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 172.93.123.66 is hosted by Host4Geeks LLC (AS393960) in United States. Mail is handled by mx.unoeuro.com. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from this 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 |
|---|---|---|---|---|---|---|---|
| 172.93.123.66 | 21600s | vortexechox.com | AS393960 | Host4Geeks LLC | 172.93.123.0/24 | 🇺🇸 United States | Los Angeles |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 21600s | mx.unoeuro.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 172.93.123.66 |
| 🔶 Autoconfig | 172.93.123.66 |
| TXT Record |
|---|
| Dental IT Service - Torsten Thiessenhusen +45 - 61656902 www.dental-it-service.dk |
| Klinisk Tandtekniker Kim Rasmussen +45 - 32500850 |
| v=spf1 +mx -all |
| Policy | Record (tandtek.dk) |
|---|---|
| -all (hard fail) | v=spf1 +mx -all |
| www | 172.93.123.66 (AS393960) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-02-26 |
| Expires | 2027-03-31 (163d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 22:53:06 | 682ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 03:53:24 | 640ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 13:03:03 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 14:25:11 | 837ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 16:29:31 | 712ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 00:04:28 | 922ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 16:52:58 | 1997ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 10:34:16 | 6709ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 23:54:01 | 607ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 19:07:30 shown | 1588ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 17:08:15 | 2363ms | 2 NS 1 A 1 MX | 🔒 Secure |