astrocph.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 October 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by mx1.pub.mailpod11-cph3.one.com, mx2.pub.mailpod11-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.70 | — | webcluster1.webpod13-cph3.one.com | AS51468 | — | — | — | Copenhagen |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:36:99e5:83b:88e0 | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 94.231.103.182 (AS48854) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| 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.mx1.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx2.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx3.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| SMTP _25._tcp.mx4.pub.mailpod11-cph3.one.com | DANE-EE · SPKI · SHA-256 | 00E55642F312E05CDB899B1433EDF47F… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026052201 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Simply.com A/S |
| Registered | 2017-10-04 |
| Expires | 2026-10-31 (14d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-04 12:51:36 | 633ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-10-02 12:48:04 | 1638ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-06 04:16:09 | 448ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-07 01:00:44 | 1539ms | 3 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-30 20:42:57 | 653ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 00:35:27 | 3097ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-21 14:31:54 | 1150ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-21 09:46:16 | 1014ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 04:55:10 | 1171ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 02:08:00 | 709ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 14:06:11 shown | 2907ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 13:46:38 | 792ms | 2 NS 1 A 4 MX | 🔒 Secure |