hstec.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 July 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by scan1.centex.dk, scan2.centex.dk. The zone is DNSSEC-signed and validates, has no DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | scan1.centex.dk | 92.43.176.51 | — | AS3292 TDC Holding A/S |
| 10 | 3600s | scan2.centex.dk | 92.43.176.159 | — | AS3292 TDC Holding A/S |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 10 | 443 | email.holtec.dk |
| TXT Record |
|---|
| v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:centex.dk -all |
| Policy | Record (hstec.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:178.132.236.124 ip4:178.132.236.126 include:spf.protection.outlook.com include:centex.dk -all |
| www | 195.47.247.18 (AS51468) (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: 5/10 · 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 | 2026101201 |
| 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 | 2020-07-01 |
| Expires | 2028-07-31 (653d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 16:48:14 shown | 444ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 03:45:47 | 452ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-13 16:48:20 | 798ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-07 09:05:55 | 580ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-14 08:21:52 | 1042ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-08 09:56:18 | 4885ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-19 18:03:20 | 899ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-13 17:06:58 | 8611ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-07 08:51:40 | 3357ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-01 10:02:33 | 574ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-25 11:25:14 | 575ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 08:16:35 | 1132ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 20:40:44 | 2527ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 15:03:06 | 273ms | 0 NS 0 A 0 MX | ❓ Unknown |