hf-aarhus.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 15 November 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.31.76.91 is hosted by DLX A/S (AS47527) in Denmark. Mail is handled by hfaarhus-dk0e.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.31.76.91 | 600s | — | AS47527 | DLX A/S | 185.31.76.0/22 | 🇩🇰 Denmark | Herning |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all |
| Policy | Record (hf-aarhus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_custspf.one.com include:spf.protection.outlook.com ~all |
| Policy | Record (_dmarc.hf-aarhus.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:hf@hf-aarhus.dk |
| www | 46.30.213.66 2a02:2350:5:10b:15:4b02:a768:ec96 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks hf-aarhus.dk: 185.31.76.91 (AS47527) (all like this)www.hf-aarhus.dk: 46.30.213.66 2a02:2350:5:10b:15:4b02:a768:ec96 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 2/10 · 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 | 2026092701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2002-11-15 |
| Expires | 2026-12-31 (74d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-28 08:27:27 shown | 1254ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 08:18:39 | 1381ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 04:56:49 | 968ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 15:50:51 | 1611ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 11:11:58 | 1141ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-29 23:10:55 | 1668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-27 23:49:11 | 9037ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 18:25:28 | 8844ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 21:51:03 | 1310ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 20:26:51 | 1168ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 18:14:17 | 1266ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 16:34:13 | 763ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 21:07:05 | 1274ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 16:41:56 | 1470ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 11:12:34 | 1022ms | 2 NS 1 A 1 MX | 🔒 Secure |