matematiktræning.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, eric.ns.cloudflare.com). It was registered on 22 January 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 143.204.238.46 is hosted by Amazon.com, Inc. (AS16509) in United States. Mail is handled by alinea-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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.
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h2" |
| TXT Record |
|---|
| 202107230656073ple1u2lacs20rzzf5m8d3gpspmj9l1hlicdfuv68x4zx87awc |
| amazonses:+nvRC8ri1xQhAu7XuMPBMFRMAy9UejDBsikJHTK8tWs= |
| amazonses:j+3GPrPCmOsjFdiJ08oduYqHU4jrj9BfDdBJMj0E7vU= |
| asv=472d20b56e7d03af04a8a11ccf132cfe |
| eefu7uvlbpn556fcpeum8n8h4u |
| facebook-domain-verification=blfuq39udl63ysvjzs403xkho49f9g |
| fajb3ptkvdo7uu5kp8kia7vg4a |
| google-site-verification=5M0-Tf98s5KL5x4V1ulKXRRdqaozs0wmJhDNY3wJEuc |
| google-site-verification=EjgOsZEWzoURiNqOABg5KMsndnqkQ4XgfMen5Q3g8v0 |
| google-site-verification=kf7_x2zTEyDeloLO-2-Dn5UvWc-UK_blYvIMpUXhPTA |
| google-site-verification=sCaNbt8WoMn-b6Z_swdOiTz5l4uP5hUSresv2gn80bU |
| google-site-verification=u0UFsdGHmTV6Ixm5Wx8Oae9zea0AdsUMuUCEvo_irng |
| j9b6csvk1i2l4lj3l8l6ui3pqh |
| mouve26tlld9drao4phct1qnoc |
| MS=ms48016087 |
| s9dpvvkjduia2bu4v2n22cm6ep |
| v=spf1 mx ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 ip4:199.7.202.99 ip4:193.3.130.30 ip4:54.76.140.170 ip4:91.215.162.0/24 include:mail.zendesk.com include:spf1.egmont.com include:spf.mandrillapp.com include:spf.dixa.io include:25645903.spf01.hubspotemail.net -all |
| Policy | Record (matematiktræning.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx ip4:167.89.108.1 ip4:167.89.108.13 ip4:167.89.92.35 ip4:199.7.202.99 ip4:193.3.130.30 ip4:54.76.140.170 ip4:91.215.162.0/24 include:mail.zendesk.com include:spf1.egmont.com include:spf.mandrillapp.com include:spf.dixa.io include:25645903.spf01.hubspotemail.net -all |
| www CNAME | alinea.dk (all on alinea.dk) |
| www vs bare domain | Same network matematiktræning.dk: 65.9.106.107 65.9.106.123 65.9.106.73 65.9.106.83 (AS16509) www.matematiktræning.dk: 65.9.106.107 65.9.106.123 65.9.106.73 65.9.106.83 (AS16509) |
| Wildcard | No |
DNS lookups: 8/10 · policy: -all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2415502116 |
| Primary NS (MNAME) | cortney.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 | 2016-01-22 |
| Expires | 2028-01-31 (468d) |
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).
Showing 100 of 187.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 01:09:01 shown | 10057ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-24 01:06:47 | 1725ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-09-10 02:30:41 | 1921ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-07-24 03:02:06 | 2874ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-07-13 08:45:38 | 1653ms | 2 NS 4 A 1 MX | 🔓 Insecure |
| 2026-06-26 23:02:03 | 4759ms | 2 NS 4 A 1 MX | ❓ Unknown |
| 2026-06-23 12:13:54 | 5637ms | 2 NS 4 A 1 MX | ❓ Unknown |
| 2026-06-22 13:24:17 | 996ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 12:11:01 | 3560ms | 2 NS 4 A 1 MX | 🔒 Secure |