hfu.dk is a .dk domain served by 3 nameservers (ns1.dns.services, ns2.dns.services, ns3.dns.services). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.55.196.61 is hosted by Inpadi ApS (AS60153) in Denmark. Mail is handled by hfu-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 185.55.196.61 | 3600s | — | AS60153 | Inpadi ApS | 185.55.196.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| ifree=W1Y_kD5j7OEKo6BAF6k-yR22 |
| MS=ms72353570 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (hfu.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2025120309 |
| Primary NS (MNAME) | ns1.dns.services |
| Responsible (RNAME) | post@dns.services |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 14:34:23 | 1329ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 05:22:53 shown | 841ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 10:51:16 | 1011ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 23:56:51 | 7015ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 08:15:45 | 1085ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:27:32 | 2795ms | 3 NS 1 A 1 MX | 🔓 Insecure |