oz1hdf.dk is a .dk domain served by 2 nameservers (emerie.ns.cloudflare.com, marty.ns.cloudflare.com). It was registered on 3 August 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by oz1hdf-dk.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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.40 |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (oz1hdf.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.oz1hdf.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | Exists, no address |
| www vs bare domain | Neither resolves oz1hdf.dk: no address www.oz1hdf.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-oz1hdf-dk._domainkey.oz1hdf.onmicrosoft.com | 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: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2415943198 |
| Primary NS (MNAME) | emerie.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2001-08-03 |
| Expires | 2027-09-30 (341d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 22:15:34 | 1022ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-09 01:26:04 | 2793ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-10-08 01:22:41 | 1091ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-30 21:46:47 | 1029ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-27 21:59:55 shown | 1306ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-26 21:56:20 | 1245ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 21:26:47 | 9577ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-24 15:25:49 | 1304ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-19 01:34:33 | 1360ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-31 16:48:19 | 3342ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-10 12:17:01 | 3614ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-08-08 03:55:54 | 1726ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-31 02:39:32 | 1259ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-07-17 09:01:11 | 1617ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-24 12:46:11 | 1904ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-20 19:49:25 | 1302ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-06-17 15:02:27 | 1229ms | 2 NS 0 A 1 MX | 🔒 Secure |