rubækrengøring.dk is a .dk domain served by 3 nameservers (ns1.nordicnumber.com, ns2.nordicnumber.com, ns3.nordicnumber.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.198.138.240 is hosted by Contabo GmbH (AS51167) in France. 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 |
|---|---|---|---|---|---|---|---|
| 91.198.138.240 | 3600s | — | AS51167 | Contabo GmbH | 91.198.138.0/24 | 🇫🇷 France | Lauterbourg |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | maildiscover.nordicnumber.com → 91.198.138.55 |
| TXT Record |
|---|
| Hosted by NN Hosting - http://www.nordicnumber.com |
| www CNAME | xn--rubkrengring-8cb1x.dk (all on xn--rubkrengring-8cb1x.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| 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 | 2017051806 |
| Primary NS (MNAME) | ns1.nordicnumber.com |
| Responsible (RNAME) | hostmaster@nordicnumber.com |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 05:06:47 shown | 2367ms | 3 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 05:34:33 | 606ms | 3 NS 1 A 0 MX | 🔒 Secure |