geertsen-engineering.dk is a .dk domain served by 2 nameservers (ns1.gitc.dk, ns2.gitc.dk). It was registered on 18 March 2003 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 193.234.88.111 is hosted by GITC ApS (AS201061) in Denmark. Mail is handled by mailc.gitc.cloud. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|---|---|---|---|
| 193.234.88.111 | 600s | cp1.gitc.cloud | AS201061 | GITC ApS | 193.234.88.0/24 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 600s | mailc.gitc.cloud | 193.234.88.19 2a0f:85c1:e41::5 |
mailc.gitc.cloud mailc.gitc.cloud |
AS201061 GITC ApS AS201061 GITC ApS |
| www CNAME | geertsen-engineering.dk (all on geertsen-engineering.dk) |
| www vs bare domain | Same network geertsen-engineering.dk: 193.234.88.111 (AS201061) www.geertsen-engineering.dk: 193.234.88.111 (AS201061) |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mailc.gitc.cloud | DANE-EE · SPKI · SHA-256 | 4203ADA51B3484326B659D45E681F75F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2034869429 |
| Primary NS (MNAME) | ns1.gitc.dk |
| Responsible (RNAME) | hostmaster@gitc.dk |
| Refresh | 10800s |
| Retry | 3600s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 7200s |
| Field | Value |
|---|---|
| Registrar | GITC aps |
| Registered | 2003-03-18 |
| Expires | 2027-03-31 (165d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 03:30:47 shown | 799ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-05 00:49:59 | 1780ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-14 12:19:47 | 9836ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-09 19:01:33 | 9026ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-08 18:12:15 | 1352ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-06 03:11:43 | 1254ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-04 18:29:41 | 3472ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-03 12:56:23 | 3453ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-01 00:51:18 | 809ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 05:45:59 | 2147ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 10:41:12 | 1933ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 20:47:24 | 3010ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-22 15:03:15 | 1169ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 21:34:17 | 1166ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 09:26:12 | 881ms | 2 NS 1 A 1 MX | 🔓 Insecure |