4dev.dk is a .dk domain served by 2 nameservers (dane.ns.cloudflare.com, marjory.ns.cloudflare.com). It was registered on 9 September 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 86.52.116.158 is hosted by Sinal A/S (AS39642) in Denmark. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 86.52.116.158 | 300s | 86-52-116-158.norlyscustomer.net | AS39642 | Sinal A/S | 86.52.0.0/16 | 🇩🇰 Denmark | Aalborg |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2407257159 |
| Primary NS (MNAME) | dane.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-09-09 |
| Expires | 2027-09-08 (326d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 12:42:54 | 354ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 21:05:29 | 524ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-25 20:17:50 | 569ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-23 19:17:38 | 1152ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-11 14:34:14 | 1359ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 13:39:58 | 1363ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-29 16:05:48 | 451ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 13:03:44 | 2640ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-06 18:17:08 | 1065ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-13 21:50:24 | 2872ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-10 07:42:18 | 2727ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-21 06:17:01 shown | 2753ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-16 12:50:06 | 1188ms | 2 NS 1 A 0 MX | 🔒 Secure |