online-sikkerhed.dk is a .dk domain served by 3 nameservers (ns1.contabo.net, ns2.contabo.net, ns3.contabo.net). It was registered on 7 December 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 173.212.238.38 is hosted by Contabo GmbH (AS51167) in France. Mail is handled by mail.online-sikkerhed.dk. 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 |
|---|---|---|---|---|---|---|---|
| 173.212.238.38 | 86400s | vmi2469766.contaboserver.net | AS51167 | Contabo GmbH | 173.212.192.0/18 | 🇫🇷 France | Lauterbourg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 86400s | mail.online-sikkerhed.dk | — | — | — |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| 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 | 1790884454 |
| Primary NS (MNAME) | ns1.contabo.net |
| Responsible (RNAME) | hostmaster@contabo.de |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2020-12-07 |
| Expires | 2026-12-31 (64d) |
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 |
|---|---|---|---|
| 2026-10-27 15:26:30 | 3010ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-26 11:42:05 | 1313ms | 3 NS 1 A 2 MX | 🔓 Insecure |
| 2026-10-24 09:45:01 | 874ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-23 00:28:49 | 1213ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-21 13:31:20 | 634ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-19 23:48:38 | 1922ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-18 22:24:14 | 1901ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-17 22:15:57 | 1981ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-16 22:00:26 | 1638ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-15 20:39:38 | 624ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-14 17:54:50 | 645ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-13 14:48:30 | 1602ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-12 13:31:20 | 2197ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-11 11:42:54 | 1262ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-10 11:23:43 | 813ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-08 22:35:56 | 788ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-07 22:31:26 | 2345ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 22:22:53 | 719ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-05 22:02:41 | 1758ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-04 21:58:55 | 909ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-03 21:54:58 | 870ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 21:54:44 | 1130ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-01 21:54:15 shown | 921ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 21:49:58 | 954ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 21:41:05 | 1250ms | 3 NS 1 A 1 MX | 🔓 Insecure |