rathcke.dk is a .dk domain served by 2 nameservers (ns1.it-kons.dk, ns2.it-kons.dk). It was registered on 2 June 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by rathcke-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 this scan: nameservers, A/AAAA, MX, TXT, SPF, DMARC, CAA, TLSA/DANE, MTA-STS, SRV and more.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.it-kons.dk | 217.63.112.130 | ns2.it-kons.dk | AS42525 GlobalConnect A/S |
| ns2.it-kons.dk | 217.63.112.118 | ns2.it-kons.dk | AS42525 GlobalConnect A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 52.98.149.136 |
| TXT Record |
|---|
| MS=ms31753206 |
| v=spf1 include:spf.protection.outlook.com -all |
| Policy | Record (rathcke.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com -all |
| www | NXDOMAIN |
| www vs bare domain | Neither resolves rathcke.dk: no address www.rathcke.dk: no address |
| 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 | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2021050601 |
| Primary NS (MNAME) | ns2.it-kons.dk |
| Responsible (RNAME) | hostmaster@it-kompagniet.dk |
| Refresh | 3600s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 10800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2000-06-02 |
| Expires | 2027-06-30 (248d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 16:50:43 | 1066ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-26 07:18:37 | 710ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-08 11:31:54 | 3311ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-28 12:42:52 | 2307ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-28 02:46:56 | 3090ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-23 19:30:42 | 1579ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-22 02:18:59 | 7508ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 21:09:06 | 7619ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 05:14:47 | 10978ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-18 07:42:08 shown | 4688ms | 2 NS 0 A 1 MX | 🔓 Insecure |