duracert.dk is a .dk domain served by 3 nameservers (ns0.tendenz.nl, ns1.tendenz.nl, ns2.tendenz.nl). It was registered on 25 August 2016 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 136.144.154.5 is hosted by Signet B.V. (AS20857) in The Netherlands. Mail is handled by mail.duracert.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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns0.tendenz.nl | 94.124.92.13 | ns0.tendenz.nl | AS39704 CJ2 Hosting B.V. |
| ns1.tendenz.nl | 94.124.91.221 | ns1.tendenz.nl | AS39704 CJ2 Hosting B.V. |
| ns2.tendenz.nl | 62.221.254.70 | — | AS48635 Your Hosting B.V. |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 136.144.154.5 | 900s | vps07.6dmg.nl | AS20857 | Signet B.V. | 136.144.128.0/17 | 🇳🇱 The Netherlands | Amsterdam |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 900s | mail.duracert.dk | 136.144.154.5 | vps07.6dmg.nl | AS20857 Signet B.V. |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 136.144.154.5 |
| 🔶 Autoconfig | 136.144.154.5 |
| www CNAME | vps07.6dmg.nl (all on 6dmg.nl) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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 | 2016070806 |
| Primary NS (MNAME) | ns0.tendenz.nl |
| Responsible (RNAME) | hostmaster@tendenz.nl |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | InterNetX GmbH |
| Registered | 2016-08-25 |
| Expires | 2027-08-31 (314d) |
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 |
|---|---|---|---|
| 2026-09-30 19:09:32 | 8332ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 01:55:10 | 12010ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-11 02:11:30 | 12680ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 09:52:50 | 12633ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-22 15:35:28 | 22853ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 03:28:43 | 21491ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-19 17:16:25 shown | 19530ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 03:33:56 | 10079ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-24 16:20:35 | 13637ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 06:52:20 | 1111ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-23 03:27:44 | 1088ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 18:30:19 | 1013ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 05:19:22 | 17860ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:13:56 | 1354ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:05:52 | 956ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 05:01:03 | 5413ms | 3 NS 1 A 1 MX | 🔓 Insecure |