nettester.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 February 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by nettester-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.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms38811688 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (nettester.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 77.68.141.154 (AS39642) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026032401 |
| 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 | 2026-02-04 |
| Expires | 2027-02-03 (98d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
| Domain | Registrar |
|---|---|
| maria2007.dk | ONE.COM A/S |
| nordjyde.dk | ONE.COM A/S |
| nygaard-thomsen.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 02:53:01 | 484ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-25 08:18:31 | 886ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-23 23:48:37 | 946ms | 2 NS 0 A 1 MX | 🔒 Secure |
| 2026-09-21 03:47:52 | 1554ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-14 17:05:54 | 5924ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-21 14:12:24 | 5536ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-25 02:31:13 shown | 2089ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:55:10 | 2861ms | 2 NS 0 A 1 MX | 🔓 Insecure |