cyrix.dk is a .dk domain served by 2 nameservers (carol.ns.cloudflare.com, khalid.ns.cloudflare.com). It was registered on 10 January 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.linuxlasse.net, backupmx.linuxlasse.net. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail.linuxlasse.net | 80.209.101.170 | 80.209.101.170.static.fibianet.dk | AS44869 FIBIA P/S |
| 20 | 300s | backupmx.linuxlasse.net | 80.209.101.170 | 80.209.101.170.static.fibianet.dk | AS44869 FIBIA P/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | linuxlasse.net → 80.209.101.170 |
| 🔶 Autoconfig | linuxlasse.net → 80.209.101.170 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2001:67c:3c0:12::53 | 300s | — | AS51468 | One.com A/S | 2001:67c:3c0:0:0:0:0:0/48 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (cyrix.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| www CNAME | linuxlasse.net (all on linuxlasse.net) |
| www vs bare domain | Different networks (all like this) |
| 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
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.cyrix.dk | 7Q_gaQidTu4XGWdd_gehGXRhZXAjKVJ7z725-MtP4Z4 |
| TXT | _acme-challenge.cyrix.dk | mYSYmZ-kUXVtqFM_Vin5ajW6KpIlu8-gN6in97aLD8k |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2413389578 |
| Primary NS (MNAME) | carol.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 | 2002-01-10 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|---|---|
| 2026-10-08 06:57:56 | 1206ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-10-02 16:25:28 | 4482ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-27 09:13:46 | 2776ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-25 08:52:34 | 1267ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-23 14:32:59 | 1496ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-08 07:42:49 | 1972ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-09-01 18:42:41 | 2630ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-31 20:24:01 | 1125ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-29 05:16:10 shown | 3474ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-09 21:41:51 | 3848ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-08-07 11:57:27 | 1432ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-23 19:03:30 | 9490ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-07-17 11:58:09 | 10135ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-27 14:27:22 | 1242ms | 2 NS 0 A 2 MX | 🔒 Secure |
| 2026-06-16 23:48:42 | 1596ms | 2 NS 0 A 2 MX | ⚠️ Bogus |
| 2026-06-16 23:31:37 | 567ms | 2 NS 0 A 2 MX | 🔒 Secure |