kronborgfp.dk is a .dk domain served by 4 nameservers (ns1.simply.com, ns2.simply.com, ns3.simply.com and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 162.55.17.104 is hosted by Hetzner Online GmbH (AS24940) in Germany. Mail is handled by mx1.onlinemail.io, mx2.onlinemail.io. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 162.55.17.104 | 3600s | static.104.17.55.162.clients.your-server.de | AS24940 | Hetzner Online GmbH | 162.55.0.0/16 | 🇩🇪 Germany | Falkenstein |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.onlinemail.io | 185.21.42.12 | mx1.onlinemail.io | AS48854 team.blue Denmark A/S |
| 10 | 3600s | mx2.onlinemail.io | 46.36.208.16 | mx2.onlinemail.io | AS48854 team.blue Denmark A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover-mf.onlinemail.io → 185.21.40.62 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:2190:2797::2 | 3600s | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Falkenstein |
| TXT Record |
|---|
| v=spf1 a include:spf.curanet.dk include:_spf.simply.com include:mailgun.org ~all |
| Policy | Record (kronborgfp.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a include:spf.curanet.dk include:_spf.simply.com include:mailgun.org ~all |
| www | 162.55.17.104 2a01:4f8:2190:2797::2 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network kronborgfp.dk: 162.55.17.104 2a01:4f8:2190:2797::2 (AS24940) www.kronborgfp.dk: 162.55.17.104 2a01:4f8:2190:2797::2 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 10/10 · policy: ~all
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026012304 |
| Primary NS (MNAME) | ns1.simply.com |
| Responsible (RNAME) | hostmaster@simply.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-12 23:08:24 | 549ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 08:37:31 | 2412ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 05:49:18 | 623ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 05:42:26 shown | 1649ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 15:38:07 | 883ms | 4 NS 1 A 2 MX | 🔒 Secure |