leo-nielsen.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 12 July 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mail.leo-nielsen.dk, backup-mx.post.tele.dk. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 93.90.146.106 | 43200s | — | — | — | — | 🇸🇪 Sweden | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.leo-nielsen.dk | 93.90.146.106 | — | — |
| 20 | 43200s | backup-mx.post.tele.dk | 80.160.77.115 | backup-mx2.post.tele.dk | AS3292 TDC Holding A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | leo-nielsen.dk → 93.90.146.106 |
| 🔶 Autoconfig | leo-nielsen.dk → 93.90.146.106 |
| www CNAME | leo-nielsen.dk (all on leo-nielsen.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.leo-nielsen.dk | leo-nielsen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100901 |
| 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 | 2002-07-12 |
| Expires | 2027-09-30 (347d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 20:19:47 shown | 5368ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-09 09:05:43 | 8474ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-07 18:04:00 | 8471ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-25 04:28:47 | 8544ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-24 07:00:53 | 32694ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 01:18:57 | 9006ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-26 10:22:56 | 7855ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 17:04:58 | 11245ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-11 04:51:30 | 34772ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 00:30:12 | 6853ms | 2 NS 1 A 2 MX | ❓ Unknown |
| 2026-06-24 02:35:01 | 8701ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-21 18:33:31 | 8552ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-20 20:03:56 | 1178ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 00:02:25 | 13489ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 13:17:35 | 3833ms | 2 NS 1 A 2 MX | 🔒 Secure |