apertos.dk is a .dk domain served by 2 nameservers (ns.semaphor.dk, ns2.semaphor.dk). It was registered on 1 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. 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.
| Nameserver | IP addresses | PTR | ASN / ISP |
|---|---|---|---|
| ns.semaphor.dk | — | — | — |
| ns2.semaphor.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 45.156.8.54 | — | hjulben4.semaphor.dk | AS201697 | — | — | — | — |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (apertos.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.apertos.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine |
| www CNAME | hjulben.semaphor.dk (all on semaphor.dk) |
| www vs bare domain | Same network apertos.dk: 45.156.8.54 (AS201697) www.apertos.dk: 195.190.25.53 45.156.8.52 45.156.8.54 2001:678:72c:fa00:45:156:8:52 (AS201697) |
| Wildcard | No |
DNS lookups: 0/10 · 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 | 2025082700 |
| Primary NS (MNAME) | ns.semaphor.dk |
| Responsible (RNAME) | hostmaster@semaphor.dk |
| Refresh | 3600s |
| Retry | 3600s |
| Expire | 2419200s |
| Minimum (neg-cache TTL) | 38400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2024-02-01 |
| Expires | 2027-01-31 (105d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-08 18:24:05 | 472ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-29 22:26:14 | 481ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-26 05:45:46 | 733ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 04:14:18 | 1116ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-20 18:05:12 | 1177ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 13:39:05 shown | 2298ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-16 13:35:28 | 374ms | 2 NS 1 A 0 MX | 🔓 Insecure |