clausand.dk is a .dk domain served by 2 nameservers (elma.ns.cloudflare.com, gerald.ns.cloudflare.com). It was registered on 24 October 2006 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.60.87.183 is hosted by TDC Holding A/S (AS3292) in Denmark. Mail is handled by mailserver.trackerserver.dk. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 87.60.87.183 | 300s | mailserver.trackerserver.dk | AS3292 | TDC Holding A/S | 87.60.0.0/16 | 🇩🇰 Denmark | Vedbæk |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mailserver.trackerserver.dk | 87.60.87.183 | mailserver.trackerserver.dk | AS3292 TDC Holding A/S |
| TXT Record |
|---|
| v=spf1 a ip4:87.60.87.183 -all |
| Policy | Record (clausand.dk) |
|---|---|
| -all (hard fail) | v=spf1 a ip4:87.60.87.183 -all |
| Policy | Record (_dmarc.clausand.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:49e634ee8b68454db4e6568d5c26f68a@dmarc-reports.cloudflare.net,mailto:postmaster@trackerserver.dk |
| www | Exists, no address |
| www vs bare domain | www does not resolve (all like this) |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Delete signal: the zone asks the registry to remove its DS (go insecure) 1 CDS, 1 CDNSKEY |
DNS lookups: 1/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2407972903 |
| Primary NS (MNAME) | elma.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2006-10-24 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 23:22:39 | 660ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 23:20:15 | 498ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-30 23:10:59 | 681ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-27 22:39:09 | 604ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-16 13:33:21 | 1010ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-09 12:45:15 | 1474ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 02:04:34 | 9640ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-14 17:20:02 | 6063ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-07 09:08:09 | 938ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-21 22:42:44 | 1412ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-07-18 05:52:38 | 2952ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-02 10:05:34 shown | 2783ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-27 08:02:36 | 825ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-25 09:44:56 | 787ms | 2 NS 1 A 1 MX | ❓ Unknown |
| 2026-06-25 05:05:51 | 857ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-23 16:54:55 | 1034ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 21:10:55 | 420ms | 2 NS 1 A 1 MX | 🔓 Insecure |