laererunivers.dk is a .dk domain served by 4 nameservers (ns1-06.azure-dns.com, ns2-06.azure-dns.net, ns3-06.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.58.160.158 is hosted by Sentia Denmark A/S (AS47292) 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 86.58.160.158 | 86400s | — | AS47292 | Sentia Denmark A/S | 86.58.160.0/21 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (laererunivers.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.laererunivers.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:62de94a87c3dc@dmarc.centerasecurity.com; |
| www CNAME | laererunivers.dk (all on laererunivers.dk) → 86.58.160.158 (AS47292) |
| www vs bare domain | Same network |
| 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 | 2017111700 |
| Primary NS (MNAME) | ns1-06.azure-dns.com |
| Responsible (RNAME) | hostmaster@gyldendal.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-25 23:50:14 | 2318ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-27 02:31:15 shown | 525ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-18 01:03:46 | 569ms | 4 NS 1 A 0 MX | 🔒 Secure |