blueresearch.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was registered on 23 November 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by blueresearch-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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.simply.com | — | — | — |
| ns2.simply.com | — | — | — |
| ns3.simply.com | — | — | — |
| ns4.simply.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.20.205.54 | — | linux378.unoeuro.com | AS48854 | — | — | — | — |
| TXT Record |
|---|
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (blueresearch.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.blueresearch.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
| www | Address record (no CNAME) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · 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 | 2025042300 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2020-11-23 |
| Expires | 2026-11-30 (44d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 10:53:32 | 1038ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:47:16 | 1177ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 06:57:53 | 670ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 02:08:18 | 735ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-01 23:49:15 | 968ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 15:13:11 shown | 1717ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 15:08:23 | 3772ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 15:00:17 | 702ms | 4 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 15:00:09 | 782ms | 4 NS 1 A 1 MX | 🔒 Secure |