matematiktimen.dk is a .dk domain served by 2 nameservers (ns1.azehosting.net, ns2.azehosting.net). It was registered on 12 October 2026 (WHOIS) and first appeared in the .dk zone on 13 October 2026. Its website address 144.76.15.53 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by matematiktimen.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 144.76.15.53 | 3600s | server.pes.dk | AS24940 | Hetzner Online GmbH | 144.76.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | matematiktimen.dk | 144.76.15.53 | server.pes.dk | AS24940 Hetzner Online GmbH |
| TXT Record |
|---|
| v=spf1 +a +mx +ip4:144.76.15.53 include:spf.azehosting.net ~all |
| Policy | Record (matematiktimen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +ip4:144.76.15.53 include:spf.azehosting.net ~all |
| Policy | Record (_dmarc.matematiktimen.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www CNAME | matematiktimen.dk (all on matematiktimen.dk) → 144.76.15.53 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 4/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.matematiktimen.dk | JnBtcnPlRXCsqFi8E0UjrdHTVCUGDW4UywN2A_j4pEI |
| 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 | 2026101204 |
| Primary NS (MNAME) | ns1.azehosting.net |
| Responsible (RNAME) | laust@blackspring.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | 1API GmbH |
| Registered | 2026-10-12 |
| Expires | 2027-10-11 (359d) |
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).