u6.dk is a .dk domain served by 3 nameservers (ns2.pd-house.com, ns5.pd-house.com, ns8.pd-house.com). It was registered on 28 February 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 95.128.24.10 is hosted by Danmarks Tekniske Universitet (AS198455) in Denmark. Mail is handled by mail1.pd-house.eu. The zone is not DNSSEC-signed, has no DMARC policy and has no IPv6 address. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 95.128.24.10 | 43200s | — | AS198455 | Danmarks Tekniske Universitet | 95.128.24.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail1.pd-house.eu | 2001:470:28:321::25 95.128.24.10 |
mail1.pd-house.eu — |
AS6939 Hurricane Electric LLC AS198455 Danmarks Tekniske Universitet |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 95.128.24.10 |
| 🔶 Autoconfig | 95.128.24.10 |
| TXT Record |
|---|
| v=spf1 mx ~all |
| Policy | Record (u6.dk) |
|---|---|
| ~all (soft fail) | v=spf1 mx ~all |
| Flags | Tag | Value |
|---|---|---|
| 128 | issue | letsencrypt.org |
| www | 95.128.24.10 (AS198455) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2023053343 |
| Primary NS (MNAME) | ns2.pd-house.com |
| Responsible (RNAME) | hostmaster@pd-house.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 3600000s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2018-02-28 |
| Expires | 2028-02-29 (498d) |
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 |
|---|---|
| 7f.dk | Punktum dk A/S (direct) |
| pd-house.dk | Punktum dk A/S (direct) |
| uni-noc.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 21:19:15 shown | 10408ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-09 00:37:22 | 2867ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-06 18:11:41 | 10928ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-05 14:29:18 | 8128ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 02:41:23 | 2202ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-14 23:56:53 | 12626ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 16:53:52 | 20880ms | 3 NS 1 A 1 MX | ❓ Unknown |
| 2026-08-14 23:58:53 | 13951ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-10 10:19:54 | 12064ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-28 04:52:12 | 33489ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-27 01:02:41 | 3953ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-18 17:57:56 | 6430ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-15 18:28:57 | 5278ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-05 10:26:23 | 2915ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 23:27:31 | 14830ms | 3 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 05:51:44 | 4524ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-18 06:33:32 | 5511ms | 3 NS 1 A 1 MX | 🔓 Insecure |