rrbureau.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 September 2011 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 195.47.247.18 is hosted by One.com A/S (AS51468). Mail is handled by mx1.mailpod16-cph3.g1i.one.com, mx2.mailpod16-cph3.g1i.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 |
|---|---|---|---|---|---|---|---|
| 195.47.247.18 | 3600s | one.com.webforward.g1i.one | AS51468 | One.com A/S | 195.47.247.0/24 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.mailpod16-cph3.g1i.one.com | 5.249.232.33 | mx1.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.mailpod16-cph3.g1i.one.com | 5.249.232.34 | mx2.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.mailpod16-cph3.g1i.one.com | 5.249.232.35 | mx3.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.mailpod16-cph3.g1i.one.com | 5.249.232.36 | mx4.mailpod16-cph3.g1i.one.com | AS51468 One.com A/S |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 24689A1B29BE70163B6DCF262497B6EC… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026081005 |
| 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 | 2011-09-06 |
| Expires | 2027-09-30 (339d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-25 04:26:45 | 564ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-10 14:46:19 | 1474ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-09 12:13:48 | 776ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-04 08:42:49 | 774ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 08:08:35 | 779ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-12 20:51:13 | 616ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-10 01:04:07 | 984ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 19:15:33 | 650ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 19:52:52 shown | 6042ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-04 01:23:12 | 1143ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 22:45:41 | 1441ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 22:53:58 | 611ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 17:57:38 | 614ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 10:17:49 | 1146ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 10:30:36 | 985ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:55:50 | 2983ms | 2 NS 1 A 4 MX | 🔒 Secure |