knef.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 18 June 2002 (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 | knef.dk.s3-website-us-east-1.amazonaws.com → 16.15.207.217 |
| 🔶 Autoconfig | knef.dk.s3-website-us-east-1.amazonaws.com → 52.217.226.173 |
| www CNAME | www.knef.dk.s3-website-us-east-1.amazonaws.com (all on amazonaws.com) |
| www vs bare domain | Only www resolves knef.dk: no address (all like this)www.knef.dk: 16.15.163.44 16.15.212.220 16.15.244.7 16.15.244.78 (AS14618 AS16509) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.knef.dk | knef.dk.s3-website-us-east-1.amazonaws.com |
| TXT | knef.dk.s3-website-us-east-1.amazonaws.com | 0479bac704ece97eba11f6143a258135 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026091601 |
| 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 | 2002-06-18 |
| Expires | 2027-06-30 (248d) |
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 |
|---|---|---|---|
| 2026-10-19 00:58:48 | 2104ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-30 22:02:55 | 824ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-24 06:50:48 | 1094ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-21 19:14:20 shown | 1206ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-02 11:59:04 | 1383ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-27 13:30:47 | 3010ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-18 05:13:58 | 1856ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-08 19:17:16 | 5615ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-07-17 13:54:31 | 1489ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-29 21:22:51 | 1055ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-25 20:20:02 | 1041ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-22 02:20:34 | 983ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-18 18:59:08 | 1410ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-17 20:34:35 | 1150ms | 2 NS 0 A 7 MX | 🔒 Secure |