geometer.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 August 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 213.32.247.249 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.geometer.dk. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 213.32.247.249 | 43200s | xd520f7f9.customers.hiper-net.dk | AS203953 | Hiper A/S | 213.32.240.0/21 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.geometer.dk | 213.32.247.249 | xd520f7f9.customers.hiper-net.dk | AS203953 Hiper A/S |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | geometer.dk → 213.32.247.249 |
| 🔶 Autoconfig | geometer.dk → 213.32.247.249 |
| www CNAME | geometer.dk (all on geometer.dk) |
| www vs bare domain | Same network |
| Wildcard | No |
| Selector | CNAME | Key |
|---|---|---|
| default | — | RSA · ~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.
| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.geometer.dk | geometer.dk |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091401 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | dns.services ApS |
| Registered | 2002-08-05 |
| Expires | 2027-09-30 (346d) |
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).
| Domain | Registrar |
|---|---|
| datahus.dk | Simply.com A/S |
| net-books.dk | dns.services ApS |
| qa-tech.dk | dns.services ApS |
| regeltjek.dk | dns.services ApS |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-14 23:19:15 | 547ms | 3 NS 1 A 4 MX | 🔓 Insecure |
| 2026-09-30 04:47:00 | 552ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-18 14:33:35 shown | 822ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 10:46:20 | 623ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 17:16:18 | 873ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 02:44:16 | 899ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 08:23:07 | 638ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 19:24:31 | 630ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 04:06:32 | 665ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 11:52:16 | 668ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 11:36:15 | 708ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 02:09:02 | 1167ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:24:29 | 767ms | 2 NS 1 A 1 MX | 🔒 Secure |