desuni.dk is a .dk domain served by 3 nameservers (ns1.sdu.dk, ns2.sdu.dk, ns3.sdu.dk). It was registered on 4 September 2018 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.225.156.154 is hosted by IDDQD-AS (AS1835) in Denmark. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 130.225.156.154 | 600s | — | AS1835 | IDDQD-AS | 130.225.0.0/16 | 🇩🇰 Denmark | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (desuni.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.desuni.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:655b353a1f136@dmarc.centerasecurity.com; ruf=mailto:dmarc.reports@sdu.dk |
| www | 130.225.156.154 (AS1835) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 10 iterations · 9-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 14865 |
| 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 | 2018-09-04 |
| Expires | 2027-09-30 (348d) |
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 |
|---|---|---|---|
| 2026-10-13 15:03:56 | 17081ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 13:17:56 | 16551ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-05 03:23:50 | 16584ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-04 03:02:05 | 4284ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-28 02:26:14 | 16506ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 02:09:44 | 16434ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-26 02:00:30 | 16467ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-24 00:10:51 | 16442ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-19 03:19:27 | 6862ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-12 01:03:33 | 6741ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-12 00:03:06 shown | 17271ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-08 23:47:48 | 9139ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-01 22:10:06 | 16678ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-31 04:12:31 | 16866ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-28 03:26:30 | 5023ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 16:21:28 | 4386ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-25 05:30:38 | 12744ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-24 04:20:08 | 17967ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-22 22:42:21 | 4475ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-18 20:00:58 | 16608ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-17 04:36:44 | 6099ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-15 03:31:38 | 4482ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-10 00:49:51 | 6983ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-02 23:52:40 | 2407ms | 3 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-01 20:08:56 | 7663ms | 3 NS 1 A 0 MX | 🔒 Secure |