geoteknik.dk is a .dk domain served by 3 nameservers (ns1.pcsys.dk, ns2.pcsys.dk, ns3.pcsys.dk). It was registered on 24 February 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 141.193.213.21 is hosted by Cloudflare London, LLC (AS209242) in United States. Mail is handled by geoteknik-dk.mail.protection.outlook.com. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns1.pcsys.dk | 193.186.35.2 | ns1.pcsys.dk | AS31027 GlobalConnect A/S |
| ns2.pcsys.dk | 52.178.33.97 | — | AS8075 Microsoft Corporation |
| ns3.pcsys.dk | 193.186.35.3 | ts3.pcsys.dk | AS31027 GlobalConnect A/S |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 141.193.213.21 | 900s | — | AS209242 | Cloudflare London, LLC | 141.193.213.0/24 | 🇺🇸 United States | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.24 |
| 🔶 Autoconfig | 141.193.213.21 |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _sipfederationtls._tcp | 100 | 1 | 5061 | sip.geoteknik.dk |
| TXT Record |
|---|
| brevo-code:48f1f5dcb0b50b2247af25bfc63bdd2c |
| MS=ms71418960 |
| v=spf1 ip4:80.209.10.23 ip4:89.221.169.42 ip4:152.115.42.192/27 include:spf.zitcom.dk include:spf.protection.outlook.com -all |
| Policy | Record (geoteknik.dk) |
|---|---|
| -all (hard fail) | v=spf1 ip4:80.209.10.23 ip4:89.221.169.42 ip4:152.115.42.192/27 include:spf.zitcom.dk include:spf.protection.outlook.com -all |
| Policy | Record (_dmarc.geoteknik.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:rua@dmarc.brevo.com |
| www | 141.193.213.21 (AS209242) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| selector1 | selector1-geoteknik-dk._domainkey.geoteknik365.p-v1.dkim.mail.microsoft | RSA · ~2048 bit |
| selector2 | selector2-geoteknik-dk._domainkey.geoteknik365.p-v1.dkim.mail.microsoft | 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.
DNS lookups: 4/10 · 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 | unsigned answer |
| Field | Value |
|---|---|
| Serial | 101 |
| Primary NS (MNAME) | ns1.pcsys.dk |
| Responsible (RNAME) | dns@pcsys.dk |
| Refresh | 900s |
| Retry | 600s |
| Expire | 86400s |
| Minimum (neg-cache TTL) | 900s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1997-02-24 |
| Expires | 2027-03-31 (165d) |
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 |
|---|---|
| jordbund.dk | Punktum dk A/S (direct) |
| jordbundsanalyse.dk | Punktum dk A/S (direct) |
| kontrolopmåling.dk | Punktum dk A/S (direct) |
| udgravningskontrol.dk | Punktum dk A/S (direct) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 22:19:12 shown | 694ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 19:07:17 | 1194ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-24 11:30:45 | 10345ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-24 19:05:36 | 10443ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 03:46:24 | 3311ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 06:11:54 | 1062ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 09:42:25 | 781ms | 3 NS 1 A 1 MX | 🔓 Insecure |