on-line.dk is a .dk domain served by 2 nameservers (betty.ns.cloudflare.com, simon.ns.cloudflare.com). It was registered on 8 May 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| TXT Record |
|---|
| bw=kAfyCva1fyCFLiSaOSOtdvU9AIr5OmZN9U8X9UIUhr4P |
| have-i-been-pwned-verification=dweb_0my9wb5h9ftj9ozswf8vj6jj |
| v=spf1 -all |
| Policy | Record (on-line.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.on-line.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:dmarcreports-rua@redbarnet.dk; ruf=mailto:dmarcreports-ruf@redbarnet.dk |
| www | Exists, no address |
| www vs bare domain | Neither resolves on-line.dk: no address www.on-line.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 |
DNS lookups: 0/10 · 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 | 2407447495 |
| Primary NS (MNAME) | betty.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-05-08 |
| Expires | 2027-05-07 (199d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 07:11:14 | 1521ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-10-07 10:17:33 | 2553ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-25 07:32:54 | 549ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-03 20:28:52 | 486ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-31 15:07:04 | 608ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-21 19:00:25 | 1315ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-09 18:09:38 | 907ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-08 10:42:28 | 743ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-14 23:19:09 | 2672ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-26 04:38:49 | 3214ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-24 12:18:43 | 887ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-24 02:33:52 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 17:52:34 | 818ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 18:37:17 shown | 1898ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-20 02:53:49 | 565ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 15:24:27 | 777ms | 2 NS 0 A 0 MX | 🔒 Secure |