sommerfuglehuset.dk is a .dk domain served by 2 nameservers (ns1.ku.dk, ns2.ku.dk). It was registered on 18 June 2018 (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 FSKNET-DK Forskningsnettet - Danish network for Research and Education (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 our latest 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 | FSKNET-DK Forskningsnettet - Danish network for Research and Education | 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 |
| Policy | Record (_dmarc.sommerfuglehuset.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; sp=quarantine; 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 |
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.sommerfuglehuset.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 | 2026101501 |
| 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 | CURANET A/S |
| Registered | 2018-06-18 |
| Expires | 2027-06-30 (255d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 02:21:29 shown | 2390ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-10 19:39:05 | 1156ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-08 14:12:56 | 1404ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-01 07:51:16 | 2192ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-10-01 07:27:48 | 1337ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-30 07:19:41 | 1486ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-26 17:07:33 | 1726ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-24 20:31:21 | 1248ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-17 03:53:27 | 1700ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-10 02:43:51 | 1425ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-03 02:37:52 | 1252ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-28 07:09:41 | 2715ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 14:08:57 | 842ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:13:21 | 1596ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-20 10:23:19 | 9457ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-14 04:23:36 | 1483ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-08 11:07:53 | 1408ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-04 15:52:53 | 2314ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-23 15:11:59 | 9674ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-16 03:45:31 | 1338ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-09 04:04:40 | 1272ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-07-03 14:24:52 | 870ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 16:16:08 | 3200ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-25 20:32:10 | 1042ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-20 02:38:38 | 859ms | 2 NS 1 A 0 MX | 🔓 Insecure |