| 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 | 28800s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 28800s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 include:_spf.sdu.dk -all |
| Policy | Record (largestructureproduction.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:_spf.sdu.dk -all |
| Policy | Record (_dmarc.largestructureproduction.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 368 |
| Primary NS (MNAME) | ns1.sdu.dk |
| Responsible (RNAME) | dns@sdu.dk |
| Refresh | 10800s |
| Retry | 1080s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2025-02-21 |
| Expires | 2027-02-20 (171d) |
| Scanned At | Duration | Records | DNSSEC | |
|---|---|---|---|---|
| 2026-08-31 05:37:40 | 16373ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-29 04:29:57 | 16771ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-26 17:00:13 | 19043ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-24 19:52:53 | 2637ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-21 18:30:56 | 10928ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-17 15:04:25 | 6404ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-13 07:42:55 | 4690ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-10 23:40:22 | 4626ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-09 19:42:52 | 4482ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-08-03 02:27:00 | 4455ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-28 12:15:04 | 4496ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-27 08:37:43 | 2346ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-24 07:14:34 | 7497ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-20 12:26:33 | 2410ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-16 16:27:57 | 4461ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-13 09:39:06 | 18674ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-08 19:05:03 | 16734ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-06 20:35:00 | 8705ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-07-04 22:22:19 | 7172ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-30 16:10:38 | 4458ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-29 03:37:10 | 4503ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-26 15:54:24 | 4375ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-25 23:50:47 | 4484ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 17:36:43 | 4948ms | 3 NS 1 A 1 MX | 🔒 Secure | View |
| 2026-06-21 13:42:38 | 1078ms | 0 NS 0 A 0 MX | ❓ Unknown | View |