linuxtech.dk is a .dk domain served by 2 nameservers (adam.ns.cloudflare.com, crystal.ns.cloudflare.com). It was registered on 14 August 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 83.136.92.198 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by mail.hyber.dk. The zone is DNSSEC-signed and validates, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 83.136.92.198 | 300s | 198.192-26.92.136.83.in-addr.arpa mail.hyber.dk |
AS31027 | GlobalConnect A/S | 83.136.88.0/21 | 🇩🇰 Denmark | Haderslev |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.hyber.dk | 83.136.92.198 83.136.92.198 |
198.192-26.92.136.83.in-addr.arpa mail.hyber.dk |
AS31027 GlobalConnect A/S AS31027 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mail.hyber.dk → 83.136.92.198 |
| 🔶 Autoconfig | mail.hyber.dk → 83.136.92.198 |
| TXT Record |
|---|
| v=spf1 ip4:83.136.92.198 include:mail.hyber.dk -all |
| Policy | Record (linuxtech.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:83.136.92.198 include:mail.hyber.dk -all |
| Policy | Record (_dmarc.linuxtech.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:hyber@hyber.dk |
| www CNAME | mail.hyber.dk (all on hyber.dk) → 83.136.92.198 (AS31027) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.linuxtech.dk | iHbbJz-Uhlg4Q-gyXjdp0PdDrBhsGTzkxwbERDzGq_g |
| TXT | _acme-challenge.linuxtech.dk | OOnMHj62vKFzPMr-YHV6goAsy8oa2n6RHmx7eli1ElI |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2412567468 |
| Primary NS (MNAME) | adam.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 | 2000-08-14 |
| Expires | 2027-09-30 (344d) |
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 |
|---|---|
| hyber.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 17:58:20 | 1746ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 11:36:06 | 4739ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 00:09:51 | 887ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 05:35:45 | 2501ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 02:33:12 | 3776ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 11:50:03 | 4705ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 02:26:41 | 1608ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-25 06:40:08 | 856ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-21 05:52:10 | 2414ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-19 03:46:38 shown | 5251ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-18 02:58:50 | 2362ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-15 19:15:30 | 1225ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 19:45:58 | 1760ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 18:37:28 | 1237ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 11:18:16 | 2327ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 05:28:56 | 856ms | 2 NS 1 A 1 MX | 🔒 Secure |