optimistuddannelsen.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 23 April 2026 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.14.90.203 is hosted by Tele2 SWIPnet (AS1257) in Sweden. 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 |
|---|---|---|---|---|---|---|---|
| 193.14.90.203 | 3600s | redirect.portsit.se | AS1257 | Tele2 SWIPnet | 193.12.0.0/14 | 🇸🇪 Sweden | Malmö |
| www | 193.14.90.203 (AS1257) (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 | 2026042301 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2026-04-23 |
| Expires | 2027-04-22 (183d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 20:54:38 | 513ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-03 06:10:00 | 557ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 08:23:19 shown | 2597ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-26 17:36:10 | 606ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-24 11:38:03 | 669ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 12:02:50 | 597ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 21:51:14 | 665ms | 2 NS 1 A 0 MX | 🔓 Insecure |