rudin.dk is a .dk domain served by 2 nameservers (ns01.hostnet.nl, ns02.hostnet.nl). It was registered on 4 February 2009 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.184.0.107 is hosted by One.com A/S (AS51468) in Denmark. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 91.184.0.107 | 86400s | n03.fwd.prod.hostnet.nl | AS51468 | One.com A/S | 91.184.0.0/19 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 91.184.0.107 |
| 🔶 Autoconfig | 91.184.0.107 |
| www CNAME | rudin.dk (all on rudin.dk) → 91.184.0.107 (AS51468) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2026072001 |
| Primary NS (MNAME) | ns01.hostnet.nl |
| Responsible (RNAME) | hostmaster@hostnet.nl |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2009-02-04 |
| Expires | 2027-02-28 (134d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:26:08 shown | 862ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-27 05:21:25 | 453ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 12:09:08 | 661ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:02:56 | 572ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-21 06:52:44 | 602ms | 2 NS 1 A 0 MX | ❓ Unknown |
| 2026-06-19 15:03:24 | 1751ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 15:30:11 | 409ms | 2 NS 1 A 0 MX | 🔓 Insecure |