mcu-dk.dk is a .dk domain served by 4 nameservers (ns1.quickdns.dk, ns2.quickdns.dk, ns3.quickdns.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 40.127.164.233 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by mail.dpp.dk. 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 |
|---|---|---|---|---|---|---|---|
| 40.127.164.233 | — | — | AS8075 | Microsoft Corporation | 40.127.0.0/16 | 🇮🇪 Ireland | Dublin |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mail.dpp.dk | 85.204.120.118 | — | AS8075 Microsoft Corporation |
| TXT Record |
|---|
| v=spf1 mx -all |
| Policy | Record (mcu-dk.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx -all |
| www | 40.127.164.233 (AS8075) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| 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 | 2018100700 |
| Primary NS (MNAME) | ns1.quickdns.dk |
| Responsible (RNAME) | hostmaster@quickdns.dk |
| Refresh | 14400s |
| Retry | 7200s |
| Expire | 2415600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-30 18:26:57 | 5580ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 11:43:22 shown | 4640ms | 4 NS 1 A 1 MX | 🔓 Insecure |