falkcs.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 9 December 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.146.128.27 is hosted by Microsoft Corporation (AS8075) in Ireland. Mail is handled by falkcs-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 |
|---|---|---|---|---|---|---|---|
| 104.146.128.27 | 300s | — | AS8075 | Microsoft Corporation | 104.146.128.0/17 | 🇮🇪 Ireland | Dublin |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| mscid=/pJwuvfHbPMQxXG6pBaOKyGxw95mye62Lybw+PWZ58dupGqLj5V8S7V6/ysvpTIK+T5VpNEqvsQVb+ZUbfy0pg== |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (falkcs.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www CNAME | falkcomputerservice.sharepoint.com (all on sharepoint.com) |
| www vs bare domain | Same network falkcs.dk: 104.146.128.27 (AS8075) www.falkcs.dk: 13.107.136.10 13.107.138.10 2620:1ec:8f8::10 2620:1ec:8fa::10 (AS8075) |
| Wildcard | No |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| 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 | DANDOMAIN A/S |
| Registered | 2013-12-09 |
| Expires | 2026-12-31 (65d) |
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 |
|---|---|
| detharmedkatteatgore.dk | DANDOMAIN A/S |
| detharmedkatteatgøre.dk | DANDOMAIN A/S |
| houlberg-falk.dk | DANDOMAIN A/S |
| steamclean.dk | DANDOMAIN A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 12:13:10 shown | 660ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-20 21:31:30 | 1053ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-12 05:18:24 | 752ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 14:36:53 | 2121ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:12:45 | 1775ms | 4 NS 1 A 1 MX | 🔓 Insecure |