astrupbyg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 February 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.71 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod10-cph3.one.com, mx2.pub.mailpod10-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 our latest 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.71 | 3600s | webcluster1.webpod13-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod10-cph3.one.com | 104.37.34.70 | mx1.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod10-cph3.one.com | 104.37.34.71 | mx2.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod10-cph3.one.com | 104.37.34.72 | mx3.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod10-cph3.one.com | 104.37.34.73 | mx4.pub.mailpod10-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:3f:13a5:f99c:52b7 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.71 2a02:2350:5:10b:3f:13a5:f99c:52b7 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network astrupbyg.dk: 46.30.213.71 2a02:2350:5:10b:3f:13a5:f99c:52b7 (AS51468) www.astrupbyg.dk: 46.30.213.71 2a02:2350:5:10b:3f:13a5:f99c:52b7 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx2.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx3.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| SMTP _25._tcp.mx4.pub.mailpod10-cph3.one.com | DANE-EE · SPKI · SHA-256 | 6F2F6668E559087AD0C5D55F223128E2… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101201 |
| 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 | Punktum dk A/S (direct) |
| Registered | 2021-02-02 |
| Expires | 2027-02-28 (133d) |
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).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 12:59:13 shown | 1882ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 18:39:37 | 583ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 15:34:45 | 932ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-03 13:51:37 | 11517ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-23 00:46:10 | 2910ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-14 14:36:26 | 5175ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-24 00:31:15 | 1078ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-15 21:05:23 | 4931ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 22:12:14 | 754ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 14:02:08 | 3632ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 23:59:24 | 928ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 12:08:55 | 1501ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 11:53:20 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-22 09:27:27 | 1594ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 13:47:12 | 772ms | 2 NS 1 A 4 MX | 🔒 Secure |