cs.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 October 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 167.233.148.102 is hosted by Hetzner Online GmbH (AS24940) in Germany. 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 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 |
|---|---|---|---|---|---|---|---|
| 167.233.148.102 | 600s | static.102.148.233.167.clients.your-server.de | AS24940 | Hetzner Online GmbH | 167.233.0.0/16 | 🇩🇪 Germany | Nuremberg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.152 |
| 🔶 Autoconfig | 167.233.148.102 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 0 | 1 | 5061 | sipfed.online.lync.com |
| TXT Record |
|---|
| v=spf1 ip4:62.242.104.198 ip4:62.242.207.114 ip4:62.242.207.115 ip4:52.186.121.110 ip4:40.68.36.243 ip4:89.188.72.209 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.centerasecurity.dk -all |
| Policy | Record (cs.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:62.242.104.198 ip4:62.242.207.114 ip4:62.242.207.115 ip4:52.186.121.110 ip4:40.68.36.243 ip4:89.188.72.209 include:spf.protection.outlook.com include:servers.mcsv.net include:_spf.centerasecurity.dk -all |
| Policy | Record (_dmarc.cs.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:6915a2a19ff98@dmarc-dk.centerasecurity.com; |
| www CNAME | cs.dk (all on cs.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | 56315B43B892E9AEE184919EC6A5821C… |
| SMTP _25._tcp.mx1-dk.centerasecurity.dk | DANE-EE · SPKI · SHA-256 | D4C349E7B72F5CF4A9CEA358F98947C2… |
| 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 | fully validated |
| Field | Value |
|---|---|
| Serial | 2026100301 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-10-02 |
| Expires | 2026-12-31 (67d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 14:16:04 shown | 832ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-10-02 14:13:59 | 698ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-25 02:15:15 | 951ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-24 01:54:00 | 965ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-14 16:16:58 | 1223ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-07 12:36:05 | 3512ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-09-02 14:19:17 | 979ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 14:20:25 | 952ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-05 22:28:17 | 2644ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-25 20:57:52 | 9262ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-17 06:03:08 | 2272ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-07-03 09:58:10 | 6942ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 22:39:07 | 1211ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-23 03:55:12 | 1168ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 23:06:23 | 842ms | 2 NS 1 A 3 MX | 🔒 Secure |