idealstudy.dk is a .dk domain served by 4 nameservers (ns1.p201.dns.oraclecloud.net, ns2.p201.dns.oraclecloud.net, ns3.p201.dns.oraclecloud.net and 1 more). It was registered on 26 September 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 192.29.61.237 is hosted by Oracle Corporation (AS31898) in Switzerland. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 192.29.61.237 | 21s | — | AS31898 | Oracle Corporation | 192.29.0.0/16 | 🇨🇭 Switzerland | Zurich |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 147.154.27.36 |
| 🔶 Autoconfig | 192.29.61.237 |
| TXT Record |
|---|
| v=spf1 redirect=_spf.idealstudy.dk |
| Policy | Record (idealstudy.dk) |
|---|---|
| redirect=_spf.idealstudy.dk | v=spf1 redirect=_spf.idealstudy.dk |
| Policy | Record (_dmarc.idealstudy.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; fo=1; rua=mailto:dmarc_rua@emaildefense.proofpoint.com;ruf=mailto:dmarc_ruf@emaildefense.proofpoint.com |
| www | 147.154.27.36 (AS31898) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 6/10 · policy: ~all
No problems found| 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 | 3 |
| Primary NS (MNAME) | ns1.p201.dns.oraclecloud.net |
| Responsible (RNAME) | hostmaster@idealstudy.dk |
| Refresh | 3600s |
| Retry | 600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Nom-Iq Ltd |
| Registered | 2002-09-26 |
| Expires | 2027-09-30 (346d) |
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 |
|---|---|---|---|
| 2026-10-01 02:26:54 | 650ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 08:25:43 | 626ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 16:07:58 | 9457ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-03 21:45:09 | 741ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-30 09:21:19 | 843ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 16:15:59 shown | 1436ms | 4 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-21 14:04:32 | 926ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:35:18 | 3450ms | 4 NS 1 A 0 MX | 🔓 Insecure |