dr-undervisning.dk is a .dk domain served by 4 nameservers (ns1-01.azure-dns.com, ns2-01.azure-dns.net, ns3-01.azure-dns.org and 1 more). It was registered on 17 February 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.137.195.24 is hosted by DR (AS29266) in Denmark. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1-01.azure-dns.com | — | — | — |
| ns2-01.azure-dns.net | — | — | — |
| ns3-01.azure-dns.org | — | — | — |
| ns4-01.azure-dns.info | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.137.195.24 | — | minisjang.dk rtmplive.dr.dk ungdommennutildags.dk |
AS29266 | DR | 195.137.194.0/23 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (dr-undervisning.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.dr-undervisning.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;sp=reject;adkim=s;aspf=s;fo=1;rua=mailto:DMARC-Returned@dr.dk;ruf=mailto:DMARC-Returned@dr.dk |
| www CNAME | dr-undervisning.gss.dr.dk (all on dr.dk) ⚠ Dangling: the CNAME target does not exist. If that name can be claimed (an unregistered domain, or a free name on a hosting platform), whoever claims it controls www.dr-undervisning.dk |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · 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 | 1 |
| Primary NS (MNAME) | ns1-01.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-02-17 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 04:45:17 | 495ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 11:31:40 | 622ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-01 13:51:26 | 702ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-23 23:54:36 | 646ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 04:25:26 shown | 421ms | 4 NS 1 A 0 MX | 🔒 Secure |