nixcore.dk is a .dk domain served by 2 nameservers (kirk.ns.cloudflare.com, nancy.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by nixcore-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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.
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | nixcore-dk.mail.protection.outlook.com | — | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| MS=ms28855597 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (nixcore.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.nixcore.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves nixcore.dk: no address www.nixcore.dk: no address |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-nixcore-dk._domainkey.nixcore.onmicrosoft.com | RSA · ~2048 bit |
| selector2 | selector2-nixcore-dk._domainkey.nixcore.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2409222306 |
| Primary NS (MNAME) | kirk.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 04:22:08 | 695ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-28 14:19:58 | 1007ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-27 14:02:21 | 1385ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-12 14:21:50 | 2022ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-04 06:30:39 | 697ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-31 00:17:26 | 1387ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-26 12:49:17 shown | 26380ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-11 12:13:35 | 9536ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:06:39 | 2005ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-19 08:00:27 | 1277ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-18 05:01:41 | 1776ms | 2 NS 0 A 1 MX | 🔓 Insecure |