astronaut.dk is a .dk domain served by 2 nameservers (ns1.box.cache.dk, ns2.box.cache.dk). It was registered on 3 July 1998 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by box.cache.dk. The zone is DNSSEC-signed and validates, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|
| ns1.box.cache.dk | — | — | — |
| ns2.box.cache.dk | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 168.119.235.168 | — | box.cache.dk | AS24940 | — | — | — | Nuremberg |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | box.cache.dk | 168.119.235.168 | box.cache.dk | AS24940 Hetzner Online GmbH |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a01:4f8:1c1e:6dba::1 | — | — | AS24940 | Hetzner Online GmbH | 2a01:4f8:0:0:0:0:0:0/31 | 🇩🇪 Germany | Nuremberg |
| TXT Record |
|---|
| v=spf1 mx include:spf1.cache.dk -all |
| Policy | Record (astronaut.dk) |
|---|---|
| -all (hard fail) | v=spf1 mx include:spf1.cache.dk -all |
| Policy | Record (_dmarc.astronaut.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; |
| Check | Result |
|---|---|
| Status | 🔒 Enforce |
| TXT record (_mta-sts) | ✓ Found |
| HTTPS policy | ✓ Valid |
| Mode | enforce |
| Policy ID | i1k1z9QZZLMZe8WZbyD2 |
| max_age | 604800s |
| Policy MX | box.cache.dk |
| www | 168.119.235.168 2a01:4f8:1c1e:6dba::1 (AS24940) (address records, no CNAME) |
| www vs bare domain | Same network astronaut.dk: 168.119.235.168 2a01:4f8:1c1e:6dba::1 (AS24940) www.astronaut.dk: 168.119.235.168 2a01:4f8:1c1e:6dba::1 (AS24940) |
| Wildcard | No |
| Denial of existence | NSEC3 · 1 iteration · no salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Selector | CNAME | Key |
|---|---|---|
| — | 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: 2/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.box.cache.dk | DANE-EE · SPKI · SHA-256 | 0534900D6C28661CFBC32DDA3691F23A… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061100 |
| Primary NS (MNAME) | ns1.box.cache.dk |
| Responsible (RNAME) | hostmaster@box.cache.dk |
| Refresh | 7200s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 86400s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 1998-07-03 |
| Expires | 2027-09-30 (345d) |
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 |
|---|---|---|---|
| 2026-09-27 13:14:08 | 973ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-07 12:38:15 | 1667ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-31 08:36:42 | 1615ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 04:03:23 | 9707ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 17:07:38 | 1538ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 18:31:15 | 987ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 09:10:00 | 796ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-26 18:11:23 | 905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 11:18:32 | 1050ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-16 13:50:32 shown | 2029ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-16 13:46:25 | 1168ms | 2 NS 1 A 1 MX | 🔒 Secure |