bosyd.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1-dk.centerasecurity.dk, mx2-dk.centerasecurity.dk and 1 more. 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.
| TXT Record |
|---|
| MS=ms28834216 |
| v=spf1 -all |
| Policy | Record (bosyd.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.bosyd.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:65a8e66b5dbe3@dmarc-dk.centerasecurity.com; |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx2-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx3-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2026082401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 20:08:39 | 1940ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-25 00:44:29 | 846ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-07 14:44:16 | 792ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-09-03 07:24:48 | 789ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-24 17:52:03 shown | 781ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-08-11 01:23:18 | 25889ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-07-25 15:17:48 | 2998ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-25 11:20:05 | 3088ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-23 05:33:02 | 1106ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 01:36:47 | 2489ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-19 17:05:03 | 4547ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-16 16:34:28 | 598ms | 2 NS 0 A 3 MX | 🔒 Secure |
| 2026-06-16 16:20:12 | 1205ms | 2 NS 0 A 3 MX | 🔒 Secure |