sysmaster.dk is a .dk domain served by 4 nameservers (ns1.bdm.microsoftonline.com, ns2.bdm.microsoftonline.com, ns3.bdm.microsoftonline.com and 1 more). It was registered on 3 December 1999 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 93.90.1.187 is hosted by GlobalConnect A/S (AS31027) in Denmark. Mail is handled by sysmaster-dk.mail.protection.outlook.com. The zone is DNSSEC-signed but currently fails validation, has no 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 |
|---|---|---|---|---|---|---|---|
| 93.90.1.187 | 3600s | 93-90-1-187.cpe.dsa-net.dk | AS31027 | GlobalConnect A/S | 93.90.0.0/20 | 🇩🇰 Denmark | Odense |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.101.69.40 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| mscid=eF7ooMYUBxfgWeXzlakakT1qtN1m6BgD+Zt1uBy9w8ZZMaksU+tcZDEkp7ZI8GI7FKUmh38tHuFGGF6d0nuzUw== |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (sysmaster.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | sysmaster.dk (all on sysmaster.dk) → 93.90.1.187 (AS31027) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'sysmaster.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 1 |
| Primary NS (MNAME) | ns1.bdm.microsoftonline.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1999-12-03 |
| Expires | 2026-12-31 (68d) |
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 |
|---|---|
| mengj.dk | Simply.com A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 19:55:50 | 709ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-06 16:14:13 | 2780ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 22:02:00 shown | 2577ms | 4 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 13:27:19 | 947ms | 4 NS 1 A 1 MX | 🔓 Insecure |