reolgruppen.dk is a .dk domain served by 2 nameservers (rudy.ns.cloudflare.com, tessa.ns.cloudflare.com). It was registered on 4 March 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.21.40.99 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by reolgruppen-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 185.21.40.99 | 300s | linux7.curanet.dk | AS48854 | team.blue Denmark A/S | 185.21.40.0/22 | 🇩🇰 Denmark | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.154.136 |
| TXT Record |
|---|
| MS=ms96719673 |
| v=spf1 include:mailgun.org ~all |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (reolgruppen.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:mailgun.org ~all |
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | 185.21.40.99 (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 | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2417720746 |
| Primary NS (MNAME) | rudy.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 | 2025-03-04 |
| Expires | 2027-03-03 (133d) |
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 |
|---|---|
| mester1.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-18 00:43:21 shown | 2560ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 23:35:53 | 1259ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 21:07:19 | 1032ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-13 02:20:32 | 1608ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 01:22:08 | 1231ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-25 23:12:15 | 1018ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-08 00:29:05 | 2184ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-16 04:58:50 | 1095ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-15 02:10:11 | 1617ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 05:19:08 | 867ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 14:42:33 | 997ms | 2 NS 1 A 1 MX | 🔓 Insecure |