kronometer21.dk is a .dk domain served by 2 nameservers (ns.gpserver.dk, ns2.gpserver.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 144.76.156.123 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx.simply.com. The zone is not DNSSEC-signed, 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.gpserver.dk | 65.21.48.197 | ns3.gpserver.dk | AS24940 Hetzner Online GmbH |
| ns2.gpserver.com | 195.201.149.111 | ns2.gpserver.dk | AS24940 Hetzner Online GmbH |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 144.76.156.123 | 600s | htz-serv-node16-pc.gpserver.dk | AS24940 | Hetzner Online GmbH | 144.76.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx.simply.com | 94.231.106.20 | mx.simply.com | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 144.76.156.123 |
| 🔶 Autoconfig | 144.76.156.123 |
| TXT Record |
|---|
| v=spf1 mx include:spf.goldenplanet.com ~all |
| Policy | Record (kronometer21.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx include:spf.goldenplanet.com ~all |
| www | 144.76.156.123 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | A9D603AF4D7ED6B9246B4B68500CD6F2… |
| SMTP _25._tcp.mx.simply.com | DANE-EE · SPKI · SHA-256 | 97A3BA009F39C761BFFB6574340E8138… |
| 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 | 5 |
| Primary NS (MNAME) | ns.gpserver.dk |
| Responsible (RNAME) | hostmaster@gpserver.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 28800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-29 15:34:28 | 1881ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 05:37:22 | 9612ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-31 18:26:16 | 850ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-20 05:11:29 shown | 1102ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:16:17 | 633ms | 2 NS 1 A 1 MX | 🔓 Insecure |