ac-byg.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.140 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 not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 46.30.213.140 | — | webcluster1.webpod14-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10c:62:ada5:7a32:eb0 | — | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.147 2a02:2350:5:10c:98:339e:4c9b:a6e2 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network ac-byg.dk: 46.30.213.147 2a02:2350:5:10c:98:339e:4c9b:a6e2 (AS51468) www.ac-byg.dk: 46.30.213.147 2a02:2350:5:10c:98:339e:4c9b:a6e2 (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.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 | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026052701 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 18:56:56 | 1492ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-09 12:31:21 | 915ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-12 11:37:12 | 1448ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-02 17:31:18 | 771ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-28 21:59:58 | 658ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-27 20:37:56 | 714ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-14 12:07:59 | 4300ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-25 14:53:06 | 4846ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-16 08:52:57 | 872ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-02 00:43:13 | 1772ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-07-02 00:34:59 | 2145ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-29 08:29:56 | 625ms | 2 NS 1 A 4 MX | 🔓 Insecure |
| 2026-06-16 12:57:57 shown | 1887ms | 2 NS 1 A 4 MX | 🔓 Insecure |