mdlarsen.dk is a .dk domain served by 3 nameservers (dns0.kyber.dk, dns1.kyber.dk, dns2.kyber.dk). It was registered on 16 February 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.52.26.228 is hosted by Sinal A/S (AS39642) in Denmark. Mail is handled by aspmx.l.google.com, alt1.aspmx.l.google.com and 3 more. The zone is not DNSSEC-signed, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 86.52.26.228 | 600s | 86-52-26-228.norlyscustomer.net | AS39642 | Sinal A/S | 86.52.0.0/16 | 🇩🇰 Denmark | Randers |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | mdlarsen.dk → 86.52.26.228 |
| 🔶 Autoconfig | mdlarsen.dk → 86.52.26.228 |
| www CNAME | mdlarsen.dk (all on mdlarsen.dk) → 86.52.26.228 (AS39642) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.mdlarsen.dk | mdlarsen.dk |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026072800 |
| Primary NS (MNAME) | dns0.kyber.dk |
| Responsible (RNAME) | admin@mail.adr |
| Refresh | 10800s |
| Retry | 1800s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2019-02-16 |
| Expires | 2027-02-28 (133d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 19:20:49 | 802ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-08 08:03:33 | 4564ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-10-01 02:50:28 | 2398ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-27 02:04:35 | 863ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-24 03:00:58 | 1008ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-17 10:10:56 | 10781ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-14 04:52:38 | 3924ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-09-04 06:58:28 | 895ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-27 12:02:34 | 4176ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-26 09:41:21 | 929ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-20 18:14:42 | 3679ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-13 17:32:56 | 1627ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-08-08 09:36:10 | 3402ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-31 21:30:11 | 9298ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-29 06:31:07 shown | 10305ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-23 10:13:58 | 1526ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-07-16 21:47:50 | 2737ms | 3 NS 1 A 5 MX | ❓ Unknown |
| 2026-07-03 04:28:01 | 2146ms | 3 NS 1 A 5 MX | 🔓 Insecure |
| 2026-06-17 11:48:59 | 1833ms | 3 NS 1 A 5 MX | ⚠️ Bogus |