bluestar.dk is a .dk domain served by 3 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com). It was registered on 25 September 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx.simply.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 | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 185.20.205.41 | — | linux367.unoeuro.com | AS48854 | — | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| TXT Record |
|---|
| v=spf1 include:spf.simply.com -all |
| Policy | Record (bluestar.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.simply.com -all |
| Policy | Record (_dmarc.bluestar.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@robot.simply.com; ruf=mailto:dmarc@robot.simply.com; |
DNS lookups: 1/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2025092501 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2025-09-25 |
| Expires | 2026-09-24 (expired) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 22:34:09 | 130ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-20 13:21:58 | 106ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-19 12:08:08 | 375ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-18 10:46:33 | 210ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-17 10:04:46 | 212ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-16 09:11:14 | 237ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-15 05:36:54 | 214ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-14 04:10:22 | 230ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-13 01:57:50 | 127ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-12 01:10:10 | 96ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-11 00:42:18 | 138ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-09 22:29:05 | 352ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-08 20:32:53 | 266ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-07 20:30:43 | 235ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-06 20:28:04 | 464ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-05 19:59:06 | 227ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-04 19:56:39 | 252ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-03 19:50:31 | 192ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-02 19:49:05 | 275ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-10-01 19:47:38 | 326ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-30 19:44:52 | 253ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-29 19:32:51 | 255ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-28 19:22:42 | 838ms | 1 NS 0 A 0 MX | ❓ Unknown |
| 2026-09-15 12:43:30 | 463ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 11:22:56 | 745ms | 3 NS 1 A 1 MX | 🔒 Secure |