geo-wiki.dk is a .dk domain served by 4 nameservers (ns1.dnscluster.dk, ns2.dnscluster.dk, ns3.dnscluster.dk and 1 more). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.184.85.20 is hosted by PerfGrid (AS59795) in The Netherlands. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 213.184.85.20 | 3600s | nlsh04.h4r-infra.net | AS59795 | PerfGrid | 213.184.84.0/23 | 🇳🇱 The Netherlands | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 213.184.85.20 |
| 🔶 Autoconfig | 213.184.85.20 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a09:3a00:3020::1 | 3600s | nlsh04.h4r-infra.net | AS59795 | PerfGrid | 2a09:3a00:3000:0:0:0:0:0/40 | 🇳🇱 The Netherlands | — |
| TXT Record |
|---|
| v=spf1 +a +mx +include:_relayspf.hosting4real.net ~all |
| Policy | Record (geo-wiki.dk) |
|---|---|
| ~all (soft fail) | v=spf1 +a +mx +include:_relayspf.hosting4real.net ~all |
| Policy | Record (_dmarc.geo-wiki.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1;p=none; |
| www | 213.184.85.20 2a09:3a00:3020::1 (AS59795) (address records, no CNAME) |
| www vs bare domain | Same network geo-wiki.dk: 213.184.85.20 2a09:3a00:3020::1 (AS59795) www.geo-wiki.dk: 213.184.85.20 2a09:3a00:3020::1 (AS59795) |
| Wildcard | Yes: any name under the zone resolves |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
DNS lookups: 4/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.geo-wiki.dk | af9ea748-f047-4c38-80a9-5c8f1f4e4c9a.auth.acme-challenge.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026031401 |
| Primary NS (MNAME) | ns1.dnscluster.dk |
| Responsible (RNAME) | hostmaster@geo-wiki.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 3600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-06-28 20:09:57 | 1437ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-26 20:03:52 shown | 4660ms | 4 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-19 04:24:39 | 1250ms | 4 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-17 10:07:37 | 3237ms | 4 NS 1 A 2 MX | 🔒 Secure |