madcroc.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.101 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.101 | 3600s | webcluster2.webpod16-cph3.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.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:802c:90e4:c403:8e7d | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| TXT Record |
|---|
| MS=ms99337371 |
| www | 46.30.215.101 2a02:2350:5:111:802c:90e4:c403:8e7d (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network madcroc.dk: 46.30.215.101 2a02:2350:5:111:802c:90e4:c403:8e7d (AS51468) www.madcroc.dk: 46.30.215.101 2a02:2350:5:111:802c:90e4:c403:8e7d (AS51468) |
| 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.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 3E81C76D10E1A717F28178710EADCAA8… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026082301 |
| 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 | 2017-11-06 |
| Expires | 2026-11-30 (38d) |
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).
| Domain | Registrar |
|---|---|
| pro-cool.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-20 23:25:28 | 1505ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-19 21:25:54 | 881ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-18 20:57:50 | 495ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-17 20:50:04 | 517ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 23:24:05 | 886ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-12 11:01:44 | 741ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 12:33:00 | 1037ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-24 05:05:46 shown | 3058ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-18 20:07:52 | 9393ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-25 02:24:36 | 898ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 11:35:32 | 2896ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 12:12:05 | 1174ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 11:06:46 | 938ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 15:31:04 | 891ms | 2 NS 1 A 4 MX | 🔒 Secure |