4x42.dk is a .dk domain served by 2 nameservers (ns07.sac-it.dk, ns08.sac-it.dk). It was registered on 20 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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 |
|---|---|---|---|
| ns07.sac-it.dk | 85.235.243.63 | 63.0-127.243.235.85.in-addr.arpa | AS3308 Norlys Telco A/S |
| ns08.sac-it.dk | 128.76.60.63 | ns08.sac-it.dk | AS3292 TDC Holding A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 195.184.96.16 | 3600s | wfwd01.hosting.dk.telia.net | AS3308 | — | — | — | — |
| www | 195.184.96.16 (AS3308) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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 | 2026061801 |
| Primary NS (MNAME) | ns07.sac-it.dk |
| Responsible (RNAME) | hostmaster@4x42.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2008-10-20 |
| Expires | 2026-10-31 (12d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 01:22:21 | 319ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-09 01:37:07 | 575ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-03 19:42:42 | 327ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-01 18:49:08 | 547ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 17:30:15 | 483ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 17:16:55 | 9373ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-19 09:47:16 | 491ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-14 15:58:12 | 566ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-08 15:44:49 | 595ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 23:45:21 | 408ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-20 12:29:44 | 2407ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-14 05:37:17 | 611ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-08 05:14:53 | 533ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-02 02:21:17 | 556ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 22:05:29 | 496ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-16 12:25:14 | 9415ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-10 03:00:06 | 1399ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 12:16:22 | 562ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-30 05:35:32 | 489ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-28 06:21:03 | 488ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-23 23:22:00 | 523ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 23:55:42 shown | 791ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 12:50:33 | 2850ms | 2 NS 1 A 0 MX | 🔓 Insecure |