rubeck.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 17 September 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.19.33.224 is hosted by Tilaa B.V. (AS196752) in The Netherlands. Mail is handled by webmail.rubeck.dk. The zone is DNSSEC-signed and validates, publishes a 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.19.33.224 | 43200s | webmail.rubeck.dk | AS196752 | Tilaa B.V. | 46.19.32.0/21 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | webmail.rubeck.dk | 46.19.33.224 | webmail.rubeck.dk | AS196752 Tilaa B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 46.19.33.224 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _autodiscover._tcp | 0 | 5 | 443 | webmail.rubeck.dk |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (rubeck.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Policy | Record (_dmarc.rubeck.dk) |
|---|---|
| p=reject | v=DMARC1;p=reject;rua=mailto:dmarcreports@rubeck.dk;ruf=mailto:dmarcreports@rubeck.dk |
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026071401 |
| 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 | Simply.com A/S |
| Registered | 2001-09-17 |
| Expires | 2027-09-30 (344d) |
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 |
|---|---|---|---|
| 2026-10-10 10:51:14 | 438ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:56:01 | 519ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 22:44:11 | 676ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-09 13:26:47 | 918ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-02 10:53:19 | 2553ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 02:48:19 | 605ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 10:38:29 | 685ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-20 14:37:17 shown | 4685ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 00:53:28 | 689ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 18:16:02 | 32632ms | 2 NS 0 A 0 MX | 🔒 Secure |
| 2026-07-11 10:22:19 | 16829ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-29 02:58:31 | 614ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 19:38:22 | 661ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 07:32:21 | 1360ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 22:47:35 | 560ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 03:34:08 | 2690ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-18 05:57:21 | 2691ms | 2 NS 1 A 1 MX | 🔒 Secure |