eregner.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It 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 our latest scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | app.leaddoubler.com → 18.173.5.101 |
| 🔶 Autoconfig | app.leaddoubler.com → 18.173.5.24 |
| www CNAME | app.leaddoubler.com (all on leaddoubler.com) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.eregner.dk | app.leaddoubler.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 | 2026100701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 15:38:37 shown | 1228ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-10-02 06:56:46 | 1316ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-09-24 04:21:19 | 1231ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-28 06:15:47 | 1128ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-08-11 05:17:13 | 9556ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-17 08:20:22 | 2549ms | 2 NS 0 A 7 MX | 🔒 Secure |
| 2026-06-17 08:11:14 | 9179ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 08:08:25 | 627ms | 2 NS 0 A 7 MX | ⚠️ Bogus |
| 2026-06-17 08:00:32 | 951ms | 2 NS 0 A 7 MX | 🔒 Secure |