studium.dk is a .dk domain served by 4 nameservers (ns1.completnet.com, ns2.completnet.dk, ns3.completnet.com and 1 more). It was registered on 16 February 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.32.61 is hosted by IDDQD-AS (AS1835) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 130.225.32.61 | 3600s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt · opt-out RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026072702 |
| Primary NS (MNAME) | ns1.completnet.com |
| Responsible (RNAME) | noc@arcanic.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 43200s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-02-16 |
| Expires | 2027-03-31 (164d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 20:34:20 | 323ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-09 12:13:11 | 2349ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 07:15:10 | 334ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-01 07:04:44 | 2436ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 19:23:13 | 2137ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 18:12:22 | 1896ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-19 08:00:19 | 526ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-16 00:49:17 | 616ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-11 07:52:08 | 1296ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-04 05:43:32 | 977ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 03:40:42 | 637ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 18:37:18 | 364ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-21 22:35:31 | 637ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-17 08:15:21 | 865ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-11 04:40:53 | 1897ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-07 02:40:58 | 1071ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-05 21:21:57 | 600ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-27 10:31:16 shown | 9546ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 06:53:32 | 683ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-18 09:54:27 | 756ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-14 12:11:28 | 537ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-08 12:06:21 | 9243ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 15:56:00 | 865ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-01 14:53:14 | 1262ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 23:48:07 | 916ms | 4 NS 1 A 0 MX | 🔓 Insecure |