discover-rivercruises.dk is a .dk domain served by 3 nameservers (ns.udag.de, ns.udag.net, ns.udag.org). It was registered on 18 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.31.143.90 is hosted by united-domains GmbH (AS202108) in Germany. Mail is handled by mx00.udag.de, mx01.udag.de. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 89.31.143.90 | 600s | — | AS202108 | united-domains GmbH | 89.31.142.0/23 | 🇩🇪 Germany | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx00.udag.de | 62.146.106.39 | mx00.udag.de | AS15598 NorthC Deutschland GmbH |
| 20 | 3600s | mx01.udag.de | 62.146.106.40 | mx01.udag.de | AS15598 NorthC Deutschland GmbH |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 89.31.143.90 |
| 🔶 Autoconfig | 89.31.143.90 |
| TXT Record |
|---|
| v=spf1 include:_smtp.udag.de ~all |
| Policy | Record (discover-rivercruises.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_smtp.udag.de ~all |
| Policy | Record (_dmarc.discover-rivercruises.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:web_support@inter-connect.world, mailto:rua@dmarc.brevo.com; adkim=r; aspf=r |
| www | 89.31.143.90 (AS202108) (address records, no CNAME) |
| www vs bare domain | Same network discover-rivercruises.dk: 89.31.143.90 (AS202108) www.discover-rivercruises.dk: 89.31.143.90 (AS202108) |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'discover-rivercruises.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2023121303 |
| Primary NS (MNAME) | ns.udag.de |
| Responsible (RNAME) | hostmaster@united-domains.de |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | united-domains GmbH |
| Registered | 2021-03-18 |
| Expires | 2027-03-31 (156d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 13:41:15 | 802ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-09-27 10:16:30 | 666ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-27 00:35:23 | 2425ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 11:29:11 | 674ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-07-16 18:49:25 shown | 1088ms | 3 NS 1 A 2 MX | ❓ Unknown |
| 2026-06-28 17:11:59 | 789ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-22 21:21:00 | 816ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 03:23:48 | 568ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-17 03:21:01 | 511ms | 3 NS 1 A 2 MX | ❓ Unknown |