hs-tec.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 16 January 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.20.205.36 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by hstec-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 185.20.205.36 | 3600s | linux364.unoeuro.com | AS48854 | team.blue Denmark A/S | 185.20.204.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 10 | 443 | email.holtec.dk |
| TXT Record |
|---|
| MS=ms80890788 |
| v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:spf.mailanyone.net include:centex.dk include:spf.EU.exclaimer.net -all |
| vpe=8f3767ff |
| Policy | Record (hs-tec.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:spf.mailanyone.net include:centex.dk include:spf.EU.exclaimer.net -all |
| www | 185.20.205.36 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 7/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: insecurity proof failed |
| 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 | 2020-01-16 |
| Expires | 2027-01-31 (105d) |
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 |
|---|---|
| holtec.dk | Punktum dk A/S (direct) |
| holtecdata.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 18:01:37 | 1499ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 06:11:18 | 3138ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 02:55:00 | 1360ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 13:09:17 | 892ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 01:20:12 | 1756ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-08 21:41:47 | 5599ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 02:13:48 | 1077ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 00:15:41 | 1034ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-10 08:06:59 | 7170ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-02 00:17:24 | 851ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 02:32:00 | 1254ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 22:56:31 | 1740ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 21:34:15 | 1963ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 19:31:05 | 862ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 10:23:08 | 2534ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:34:49 shown | 2539ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 12:57:50 | 813ms | 2 NS 1 A 1 MX | 🔒 Secure |