columbus-clean.dk is a .dk domain served by 2 nameservers (ns1.mk.de, ns2.mk.de). It was registered on 24 February 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.172.99.67 is hosted by MK Netzdienste GmbH & Co. KG (AS25394) in Germany. Mail is handled by mx1.mk.de, mx2.mk.de. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 213.172.99.67 | 600s | web02.mk-netzdienste.de | AS25394 | MK Netzdienste GmbH & Co. KG | 213.172.96.0/19 | 🇩🇪 Germany | Wennigsen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mx1.mk.de | 2001:1640::34:6 85.220.139.141 |
mailin11.mk.de mailin11.mk.de |
AS25394 MK Netzdienste GmbH & Co. KG AS25394 MK Netzdienste GmbH & Co. KG |
| 10 | 600s | mx2.mk.de | 2001:1640::27:4 85.220.139.164 |
mailin12.mk.de mailin12.mk.de |
AS25394 MK Netzdienste GmbH & Co. KG AS25394 MK Netzdienste GmbH & Co. KG |
| www | 213.172.99.67 (AS25394) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.mk.de | DANE-EE · Full cert · SHA-256 | 808BDC3068442FD6C98DA11B18583787… |
| SMTP _25._tcp.mx2.mk.de | DANE-EE · Full cert · SHA-256 | 808BDC3068442FD6C98DA11B18583787… |
| 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 | 2021081201 |
| Primary NS (MNAME) | ns1.mk.de |
| Responsible (RNAME) | hostmaster@mk.de |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 300s |
| Field | Value |
|---|---|
| Registrar | ASCIO TECHNOLOGIES, CORP. DANMARK - FILIAL AF ASCIO TECHNOLOGIES, CORP. CANADA |
| Registered | 2012-02-24 |
| Expires | 2027-02-28 (131d) |
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 |
|---|---|---|---|
| 2026-10-01 02:13:43 | 2655ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-25 19:16:59 | 9940ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-08-16 15:05:18 | 32597ms | 2 NS 0 A 0 MX | 🔓 Insecure |
| 2026-07-02 15:40:35 | 1479ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-24 01:37:28 | 2399ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-23 05:51:18 | 1163ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 08:19:25 | 1186ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 12:35:17 shown | 1073ms | 2 NS 1 A 2 MX | 🔓 Insecure |
| 2026-06-16 21:50:51 | 3011ms | 2 NS 1 A 2 MX | 🔓 Insecure |