b52.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 1 October 1998 (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 CNAME | dns.umbraco.io (all on umbraco.io) |
| www vs bare domain | Different networks b52.dk: 195.47.247.18 (AS51468) (all like this)www.b52.dk: 162.159.140.127 172.66.0.125 2606:4700:7::7d 2a06:98c1:58::7d (AS13335) |
| 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 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx2.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx3.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| SMTP _25._tcp.mx4.mailpod16-cph3.g1i.one.com | DANE-EE · SPKI · SHA-256 | 2362DFAC1BB9F66402E0636BDEF478E5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101703 |
| 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 | 1998-10-01 |
| Expires | 2026-12-31 (70d) |
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 |
|---|---|---|---|
| 2026-10-18 21:30:49 | 514ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-17 21:22:39 shown | 1397ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 21:07:58 | 757ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 12:23:57 | 811ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 03:20:21 | 522ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 21:48:21 | 2990ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-04 22:41:48 | 2747ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 18:55:15 | 930ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-01 23:28:23 | 806ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-29 08:46:37 | 802ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-26 20:46:44 | 803ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 22:33:57 | 928ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 03:14:19 | 933ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 13:57:36 | 878ms | 2 NS 1 A 4 MX | 🔒 Secure |