rbo.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 8 March 2000 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.211.38 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.211.38 | 3600s | domain-parking.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod9-cph3.one.com | 185.164.14.118 | mx1.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod9-cph3.one.com | 185.164.14.119 | mx2.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod9-cph3.one.com | 185.164.14.120 | mx3.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod9-cph3.one.com | 185.164.14.124 | mx4.pub.mailpod9-cph3.one.com | AS51468 One.com A/S |
| www | 104.21.37.206 172.67.212.232 2606:4700:3034::ac43:d4e8 2606:4700:3035::6815:25ce (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 45270A69B37BD0C454F2B3E54CC89AD7… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052501 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2000-03-08 |
| Expires | 2036-03-31 (3446d) |
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 |
|---|---|---|---|
| 2026-10-04 01:31:08 | 915ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-10-01 01:10:07 | 2681ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-25 23:53:05 | 1561ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-24 23:34:25 | 1727ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-09-23 17:55:26 | 843ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-30 00:53:15 | 687ms | 2 NS 2 A 4 MX | 🔓 Insecure |
| 2026-08-25 05:46:37 shown | 4590ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 12:10:21 | 734ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 07:57:17 | 715ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 03:53:16 | 850ms | 2 NS 1 A 4 MX | 🔒 Secure |