erdmann-buus.dk is a .dk domain served by 2 nameservers (audrey.ns.cloudflare.com, corey.ns.cloudflare.com). It was registered on 1 November 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by route2.mx.cloudflare.net, route1.mx.cloudflare.net and 1 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| audrey.ns.cloudflare.com | — | — | — |
| corey.ns.cloudflare.com | — | — | — |
| TXT Record |
|---|
| v=spf1 include:_spf.mx.cloudflare.net ~all |
| Policy | Record (erdmann-buus.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.mx.cloudflare.net ~all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves erdmann-buus.dk: no address www.erdmann-buus.dk: no address |
| Wildcard | No |
DNS lookups: 1/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route1.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route2.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 9BE5B7D47F9EFF930C11EB04D27CAE6B… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-TA · SPKI · SHA-256 | 59E738E674221702AF1EDB87C5200C1A… |
| SMTP _25._tcp.route3.mx.cloudflare.net | DANE-EE · SPKI · SHA-256 | 0F0C6C164A36F97E7B4C5A5B69D6F4F2… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2406986646 |
| Primary NS (MNAME) | audrey.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 | 2024-11-01 |
| Expires | 2026-10-31 (14d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 19:04:29 | 710ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-11 14:00:34 | 2751ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-10-07 03:10:49 | 2467ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-16 02:36:22 | 6838ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-08-08 17:07:41 | 17828ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-25 04:35:34 | 6439ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-24 04:42:45 | 1107ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 08:10:32 | 2831ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-17 08:06:37 | 34805ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-17 08:01:00 | 993ms | 2 NS 0 A 3 MX | 🔓 Insecure |
| 2026-06-17 08:00:39 shown | 714ms | 2 NS 0 A 3 MX | 🔓 Insecure |