roust.dk is a .dk domain served by 2 nameservers (craig.ns.cloudflare.com, izabella.ns.cloudflare.com). It was registered on 2 June 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.41.178 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by roust-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 |
|---|---|---|---|---|---|---|---|
| 185.21.41.178 | 300s | linux19.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.55.222 |
| TXT Record |
|---|
| MS=ms10465221 |
| v=spf1 include:stofanet.dk include:spf.protection.outlook.com include:spf.spamfilter.io -all |
| Policy | Record (roust.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:stofanet.dk include:spf.protection.outlook.com include:spf.spamfilter.io -all |
| Policy | Record (_dmarc.roust.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:68fe2dd62d532@dmarc-dk.centerasecurity.com |
| www | 185.21.41.178 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-roust-dk._domainkey.rousttrae.onmicrosoft.com | RSA · ~1024 bit below 2048 bit |
| selector2 | selector2-roust-dk._domainkey.rousttrae.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: 5/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2407142714 |
| Primary NS (MNAME) | craig.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-06-02 |
| Expires | 2027-06-30 (255d) |
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).
| Domain | Registrar |
|---|---|
| isoment.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 14:15:44 | 3335ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-16 13:42:03 | 1360ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 09:26:45 | 1410ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 14:48:59 | 1280ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 14:17:45 | 1244ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 14:42:08 | 1053ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 15:00:02 | 2137ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 05:12:04 | 1733ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 12:00:30 | 1996ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-17 02:23:44 | 9496ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-06 17:16:30 | 1763ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-19 20:13:13 | 33944ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-11 14:29:45 | 10239ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-27 01:37:10 shown | 1067ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 05:50:50 | 946ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 16:21:36 | 4946ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 13:40:29 | 3567ms | 2 NS 1 A 1 MX | 🔒 Secure |