| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.sdu.dk | 130.225.155.136 | ns1.sdu.dk | AS1835 IDDQD-AS |
| ns2.sdu.dk | 130.225.155.148 | ns2.sdu.dk | AS1835 IDDQD-AS |
| ns3.sdu.dk | 193.163.227.4 | ns3.sdu.dk | AS44328 Region Syddanmark |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 130.225.156.155 | 600s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 853 |
| Primary NS (MNAME) | ns1.sdu.dk |
| Responsible (RNAME) | dns@sdu.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 01:32:01 | 16354ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-29 02:54:48 | 16805ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-26 21:20:57 | 16442ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-24 21:35:29 | 8938ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-22 19:59:37 | 32443ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-20 19:20:23 | 7177ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-17 16:10:52 | 5490ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-14 15:51:49 | 6532ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-12 08:36:35 | 4482ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-10 03:02:47 | 5590ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-08-08 00:36:06 | 2419ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-29 13:20:08 | 4476ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-28 01:11:34 | 9653ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-27 00:16:59 | 8800ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-24 23:39:24 | 4525ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-21 04:02:39 | 3452ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-19 19:16:05 | 11532ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-17 10:48:10 | 4464ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-14 09:22:16 | 3504ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-12 08:38:01 | 11486ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-10 23:33:19 | 3504ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-08 20:46:32 | 8564ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-03 17:40:44 | 4428ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-07-01 07:51:55 | 4386ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |
| 2026-06-25 19:03:05 | 4405ms | 3 NS 1 A 0 MX | 🔓 Insecure | View |