rsmdanmark.dk is a .dk domain served by 2 nameservers (ns1.alco.dk, ns2.alco.dk). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 216.24.57.1 is hosted by Render (AS397273) in United States. Mail is handled by rsmdanmark-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.alco.dk | 46.225.229.1 | ns1.alco.dk | AS24940 Hetzner Online GmbH |
| ns2.alco.dk | 89.167.94.156 | ns2.alco.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 216.24.57.1 | — | — | AS397273 | Render | 216.24.57.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| TXT Record |
|---|
| MS=ms70383144 |
| v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (rsmdanmark.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.rsmdanmark.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:67e29fbb0fa28@dmarc-dk.centerasecurity.com |
| www CNAME | fwd.rsm.global (all on rsm.global) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-rsmdanmark-dk._domainkey.brandtrevision.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: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'rsmdanmark.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2025121815 |
| Primary NS (MNAME) | ns1.alco.dk |
| Responsible (RNAME) | hostmaster@alco.dk |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 43200s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 18:00:32 | 1057ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-01 09:19:52 | 3286ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 19:51:32 | 2838ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-28 05:30:58 | 3994ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-26 22:01:13 | 3109ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 23:03:00 | 1507ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 04:43:30 | 3402ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 00:27:46 | 991ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 10:38:51 | 4732ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 06:39:52 | 4809ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 00:14:31 shown | 3045ms | 2 NS 1 A 1 MX | ⚠️ Bogus |