alt-tab.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 November 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 5 more. The zone is DNSSEC-signed and validates, 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 | udvikling.000webhostapp.com |
| 🔶 Autoconfig | udvikling.000webhostapp.com |
| TXT Record |
|---|
| google-site-verification=FiTeE6owYWhtwtF4HcdxGuolqJ_PFaLuQdw03fdVzg4 |
| www | NORESPONSE |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.alt-tab.dk | udvikling.000webhostapp.com |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026091301 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2009-11-03 |
| Expires | 2026-11-30 (43d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 00:25:21 | 16817ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-25 10:21:51 | 16945ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-13 22:40:43 shown | 25804ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-15 08:46:38 | 19306ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-17 07:56:26 | 17543ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-03 06:23:18 | 17144ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-28 06:22:59 | 17258ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-16 12:48:40 | 8754ms | 2 NS 0 A 7 MX | 🔒 Secure |