claust-byg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 7 November 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.98 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod12-cph3.one.com, mx2.pub.mailpod12-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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.98 | 3600s | webcluster2.webpod16-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.mailpod12-cph3.one.com | 104.37.34.246 | mx1.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod12-cph3.one.com | 104.37.34.247 | mx2.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod12-cph3.one.com | 104.37.34.248 | mx3.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod12-cph3.one.com | 104.37.34.249 | mx4.pub.mailpod12-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:111:8016:a71a:54e:e83f | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.98 2a02:2350:5:111:8016:a71a:54e:e83f (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network claust-byg.dk: 46.30.215.98 2a02:2350:5:111:8016:a71a:54e:e83f (AS51468) www.claust-byg.dk: 46.30.215.98 2a02:2350:5:111:8016:a71a:54e:e83f (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.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx2.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx3.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| SMTP _25._tcp.mx4.pub.mailpod12-cph3.one.com | DANE-EE · SPKI · SHA-256 | 2CDDC5D748A3C02AC19FF7BC33AA01A5… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101001 |
| 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 | 2017-11-07 |
| Expires | 2026-11-30 (41d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 23:26:16 shown | 797ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-08 02:33:21 | 452ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 18:29:27 | 521ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-30 09:04:42 | 576ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-15 05:34:32 | 833ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-31 16:16:21 | 577ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-11 23:50:42 | 4111ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-11 14:09:53 | 970ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 17:45:39 | 893ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 02:12:07 | 797ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-19 13:37:58 | 1426ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-18 17:06:44 | 996ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 21:10:43 | 596ms | 2 NS 1 A 4 MX | 🔒 Secure |