cruso.dk is a .dk domain served by 4 nameservers (ns1-04.azure-dns.com, ns2-04.azure-dns.net, ns3-04.azure-dns.org and 1 more). It was registered on 2 October 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 52.178.114.226 is hosted by Microsoft Corporation (AS8075) in The Netherlands. Mail is handled by cruso-dk.mail.protection.outlook.com. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 52.178.114.226 | 3600s | — | AS8075 | Microsoft Corporation | 52.160.0.0/11 | 🇳🇱 The Netherlands | Amsterdam |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | https.cruso.dk |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms73714088 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (cruso.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.cruso.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:hosting@kruso.dk; ruf=mailto:hosting@kruso.dk; sp=reject; ri=604800; |
| www | SERVFAIL |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-cruso-dk._domainkey.netmesteras.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-cruso-dk._domainkey.netmesteras.onmicrosoft.com | RSA · ~1024 bit below 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| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.cruso.dk | https.cruso.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 267 |
| Primary NS (MNAME) | ns1-04.azure-dns.com |
| Responsible (RNAME) | hostmaster |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2016-10-02 |
| Expires | 2026-10-31 (10d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 12:41:21 | 1109ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 20:02:21 shown | 902ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 16:48:34 | 7139ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-28 05:06:58 | 2384ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 11:10:11 | 1301ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 18:32:24 | 896ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 01:46:57 | 46126ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 23:10:36 | 2172ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 23:01:59 | 1761ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 23:01:28 | 771ms | 4 NS 1 A 1 MX | 🔒 Secure |