erdetjul.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 13 September 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (erdetjul.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| www | NXDOMAIN |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 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 | 2026091501 |
| 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 | 2010-09-13 |
| Expires | 2027-09-30 (345d) |
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 |
|---|---|
| lisborg-el.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 10:19:58 | 1182ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-10-03 06:38:01 | 1212ms | 2 NS 0 A 0 MX | ⚠️ Bogus |
| 2026-09-30 06:13:47 | 387ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-24 09:52:41 shown | 415ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-17 11:31:36 | 475ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-09-03 06:13:01 | 449ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-08-17 04:12:51 | 643ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 18:46:33 | 655ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 01:43:48 | 2608ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 05:50:17 | 580ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 16:08:54 | 1045ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 21:38:00 | 1313ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 08:14:07 | 1201ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:08:36 | 11057ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:07:36 | 315ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-17 08:00:23 | 422ms | 2 NS 1 A 0 MX | 🔒 Secure |