madslahrmann.dk is a .dk domain served by 2 nameservers (leland.ns.cloudflare.com, zainab.ns.cloudflare.com). It was registered on 11 February 2015 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.22 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by smtp.sonicz.dk. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.22 | 300s | — | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | smtp.sonicz.dk | 80.248.138.239 | smtp.sonicz.dk | AS216275 Netnoerden ApS |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:108:b5:303d:d4dd:5dca | 300s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 0 | 443 | autodiscover.sonicz.dk |
| TXT Record |
|---|
| google-site-verification=7n7rupW4OM7OTH2g7f3PqnupMFZJFrBHLPoSjoQFn44 |
| v=spf1 mx a:smtp.sonicz.dk include:_custspf.one.com -all |
| Policy | Record (madslahrmann.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx a:smtp.sonicz.dk include:_custspf.one.com -all |
| www | 77.111.240.22 2a02:2350:5:108:b5:303d:d4dd:5dca (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network madslahrmann.dk: 77.111.240.22 2a02:2350:5:108:b5:303d:d4dd:5dca (AS51468) www.madslahrmann.dk: 77.111.240.22 2a02:2350:5:108:b5:303d:d4dd:5dca (AS51468) |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.madslahrmann.dk | madslahrmann.dk.acme.webpod9-cph3.one.com |
| 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 | 2409607744 |
| Primary NS (MNAME) | leland.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2015-02-11 |
| Expires | 2027-02-28 (130d) |
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 |
|---|---|
| lahrmann.dk | Simply.com A/S |
| lahrmannholding.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:24:48 | 500ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-25 12:21:52 | 1838ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 12:06:37 | 2052ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-07 10:29:22 | 2427ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 08:53:43 | 13848ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 01:15:24 shown | 1091ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-07 17:17:31 | 1137ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 15:17:29 | 1073ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 16:57:07 | 14484ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 07:00:16 | 985ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 11:48:42 | 783ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 03:30:46 | 764ms | 2 NS 1 A 1 MX | 🔓 Insecure |