gisdk.dk is a .dk domain served by 2 nameservers (dns1.cscdns.net, dns2.cscdns.net). It was registered on 4 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by ikaros.geohosting.dk. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| dns1.cscdns.net | — | — | — |
| dns2.cscdns.net | — | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | ikaros.geohosting.dk | 91.231.147.18 | ikaros.geohosting.dk | AS31027 GlobalConnect A/S |
| TXT Record |
|---|
| v=spf1 include:geohosting.dk -all |
| Policy | Record (gisdk.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:geohosting.dk -all |
| Policy | Record (_dmarc.gisdk.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:k8lgcksh@ag.eu.dmarcadvisor.com; ruf=mailto:k8lgcksh@fr.eu.dmarcadvisor.com |
| www CNAME | ikaros.geohosting.dk (all on geohosting.dk) → 91.231.147.18 (AS31027) |
| www vs bare domain | Only www resolves (all like this) |
| Wildcard | No |
DNS lookups: 2/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxrrset |
| Field | Value |
|---|---|
| Serial | 2020042003 |
| Primary NS (MNAME) | dns1.cscdns.net |
| Responsible (RNAME) | hostmaster@cscdns.net |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | CSC Digital Brand Service, Inc |
| Registered | 1997-04-04 |
| Expires | 2027-06-30 (251d) |
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 |
|---|---|---|---|
| 2026-09-24 04:54:29 | 581ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-09-14 14:43:17 | 1121ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-08-26 23:27:35 | 1862ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-07-01 23:32:31 | 757ms | 2 NS 0 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:37:41 shown | 616ms | 2 NS 0 A 1 MX | 🔓 Insecure |