sluse.dk is a .dk domain served by 2 nameservers (ns1.ku.dk, ns2.ku.dk). It was registered on 18 December 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 130.226.237.173 is hosted by IDDQD-AS (AS1835) in Denmark. 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 |
|---|---|---|---|---|---|---|---|
| 130.226.237.173 | 3600s | cmslb.adm.ku.dk | AS1835 | IDDQD-AS | 130.226.0.0/16 | 🇩🇰 Denmark | Copenhagen |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | cmsgw.adm.ku.dk → 130.226.237.173 |
| 🔶 Autoconfig | cmsgw.adm.ku.dk → 130.226.237.173 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (sluse.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.sluse.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; rua=mailto:upglztho@ag.eu.dmarcadvisor.com; ruf=mailto:upglztho@fr.eu.dmarcadvisor.com; pct=100; fo=1; ri=3600 |
| www CNAME | cmsgw.adm.ku.dk (all on ku.dk) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 0/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sluse.dk | cmsgw.adm.ku.dk |
| 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 | 2026100101 |
| Primary NS (MNAME) | ns1.ku.dk |
| Responsible (RNAME) | hostmaster@adm.ku.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2001-12-18 |
| Expires | 2027-12-31 (439d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-16 04:15:26 | 1319ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-10 16:07:41 | 1390ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-08 10:44:56 | 3998ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-02 00:54:41 shown | 1339ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 23:03:45 | 1797ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-22 02:47:05 | 1545ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-11 00:13:42 | 1586ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-09 07:31:34 | 1335ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-03 19:58:40 | 1676ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 16:27:57 | 9563ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-20 02:49:46 | 1405ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-13 06:01:07 | 1669ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-11 23:30:06 | 3258ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-06 12:54:20 | 1187ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-01 07:35:35 | 913ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-24 04:43:57 | 2123ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-16 21:02:41 | 1481ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-09 23:41:51 | 979ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-02 15:30:07 | 9590ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-26 03:55:43 | 911ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-24 13:20:23 | 910ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 04:12:39 | 752ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-18 20:21:57 | 907ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 23:10:02 | 857ms | 2 NS 1 A 0 MX | 🔓 Insecure |