byggesikring.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 March 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.191 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod9-cph3.one.com, mx2.pub.mailpod9-cph3.one.com and 2 more. The zone is DNSSEC-signed and validates, has no 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 |
|---|---|---|---|
| ns01.one.com | — | — | — |
| ns02.one.com | — | — | — |
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.215.191 | — | webforward.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| www | 195.47.247.18 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network |
| 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.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx2.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx3.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| SMTP _25._tcp.mx4.pub.mailpod9-cph3.one.com | DANE-EE · SPKI · SHA-256 | 5D2162F5CED0ACD2C3D63E5582045A6C… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026061001 |
| 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 | 2020-03-04 |
| Expires | 2027-03-31 (158d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 14:40:43 | 855ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-21 06:55:33 | 545ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-20 00:45:24 | 550ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 19:09:47 | 413ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 00:11:30 | 454ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-28 05:44:08 | 596ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-07 06:34:06 | 806ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-22 18:16:37 | 5025ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-25 19:56:36 | 688ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-20 04:18:45 | 598ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-16 18:15:35 shown | 934ms | 2 NS 1 A 4 MX | 🔒 Secure |