kulsø.dk is a .dk domain served by 2 nameservers (anton.ns.cloudflare.com, elinore.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 65.108.197.23 is hosted by Hetzner Online GmbH (AS24940) in Finland. Mail is handled by mail02.sandberg-consult.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 |
|---|---|---|---|---|---|---|---|
| 65.108.197.23 | 600s | static.23.197.108.65.clients.your-server.de | AS24940 | Hetzner Online GmbH | 65.108.0.0/15 | 🇫🇮 Finland | Helsinki |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mail02.sandberg-consult.dk | 65.108.197.57 | mail02.sandberg-consult.dk | AS24940 Hetzner Online GmbH |
| Service | Priority | Weight | Port | Target |
|---|---|---|---|---|
| _imap._tcp | 0 | 0 | 143 | mail02.sandberg-consult.dk |
| TXT Record |
|---|
| v=spf1 include:_spf_mailserver.sandberg-consult.dk ~all |
| Policy | Record (kulsø.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf_mailserver.sandberg-consult.dk ~all |
| www CNAME | dedi400.sandbergenterprises.dk (all on sandbergenterprises.dk) → 65.108.197.23 (AS24940) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 3/10 · policy: ~all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | resolution failed: ncache nxdomain |
| Field | Value |
|---|---|
| Serial | 2404801950 |
| Primary NS (MNAME) | anton.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 05:17:35 | 597ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-23 11:43:43 | 782ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-21 05:42:44 | 704ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-27 04:46:22 | 2638ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-23 19:14:34 | 1669ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-20 12:30:39 | 989ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 11:33:27 | 763ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-20 18:52:23 | 380ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-19 22:51:53 | 1121ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 08:42:01 shown | 3059ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 18:13:32 | 257ms | 0 NS 0 A 0 MX | 🔒 Secure |
| 2026-06-17 17:54:18 | 3667ms | 2 NS 1 A 1 MX | 🔒 Secure |