holdingone.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 January 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.213.64 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 46.30.213.64 | 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 |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:10b:2:b479:6e57:7cff | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.213.64 2a02:2350:5:10b:2:b479:6e57:7cff (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network holdingone.dk: 46.30.213.64 2a02:2350:5:10b:2:b479:6e57:7cff (AS51468) www.holdingone.dk: 46.30.213.64 2a02:2350:5:10b:2:b479:6e57:7cff (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026101401 |
| 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 | 2017-01-04 |
| Expires | 2027-01-31 (101d) |
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).
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-19 11:25:25 | 1039ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 06:47:41 shown | 994ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 05:31:21 | 1043ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 02:38:08 | 593ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-27 19:44:06 | 628ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-26 19:13:58 | 575ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-25 15:51:44 | 645ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-08-14 09:08:11 | 5200ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-28 01:34:14 | 1056ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-20 12:01:03 | 843ms | 2 NS 1 A 3 MX | 🔒 Secure |
| 2026-06-17 14:03:31 | 2444ms | 2 NS 1 A 3 MX | 🔒 Secure |