seat-horsens.dk is a .dk domain served by 4 nameservers (ns1-09.azure-dns.com, ns2-09.azure-dns.net, ns3-09.azure-dns.org and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.249.218.21 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by seathorsens-dk01b.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 195.249.218.21 | 3600s | — | AS3292 | TDC Holding A/S | 195.249.0.0/16 | 🇩🇰 Denmark | Greve |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| 🔶 Autoconfig | forhandlerinternet.semler.dk → 195.249.218.21 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| MS=ms83695598 |
| v=spf1 mx a ip4:195.249.218.0/24 a:c.spf.service-now.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all |
| Policy | Record (seat-horsens.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx a ip4:195.249.218.0/24 a:c.spf.service-now.com include:spf.protection.outlook.com include:_spf.salesforce.com ~all |
| Policy | Record (_dmarc.seat-horsens.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; rua=mailto:tepx02da@ag.eu.dmarcadvisor.com; ruf=mailto:tepx02da@fr.eu.dmarcadvisor.com |
| www CNAME | forhandlerinternet.semler.dk (all on semler.dk) → 195.249.218.21 (AS3292) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-seathorsens-dk01b._domainkey.semler.onmicrosoft.com | RSA · ~2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 6/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.seat-horsens.dk | forhandlerinternet.semler.dk |
| 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) | ns1-09.azure-dns.com |
| Responsible (RNAME) | azuredns-hostmaster@microsoft.com |
| Refresh | 3600s |
| Retry | 300s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 300s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-26 13:26:09 shown | 894ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 11:03:29 | 868ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 16:42:18 | 936ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 01:56:31 | 1272ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 18:39:06 | 7451ms | 4 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 11:11:55 | 943ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 19:36:51 | 1194ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 23:53:48 | 1313ms | 4 NS 1 A 1 MX | 🔓 Insecure |