bizzoptimering.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 February 2024 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.241.75 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 |
|---|---|---|---|---|---|---|---|
| 77.111.241.75 | 3600s | webcluster1.wordpresspod2-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 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 |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:104:58:edc8:c922:3110 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.241.75 2a02:2350:5:104:58:edc8:c922:3110 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network bizzoptimering.dk: 77.111.241.75 2a02:2350:5:104:58:edc8:c922:3110 (AS51468) www.bizzoptimering.dk: 77.111.241.75 2a02:2350:5:104:58:edc8:c922:3110 (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 | 2026101101 |
| 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 | ONE.COM A/S |
| Registered | 2024-02-05 |
| Expires | 2027-02-04 (110d) |
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 |
|---|---|---|---|
| 2026-10-16 10:38:30 | 358ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-15 08:40:57 | 450ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 07:51:11 | 375ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-13 07:34:04 | 1325ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-12 03:16:34 shown | 1428ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-11 02:44:39 | 538ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 02:20:40 | 529ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 22:01:48 | 674ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-07 21:53:41 | 568ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-06 21:50:52 | 406ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-05 19:02:15 | 362ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-04 18:59:54 | 361ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-03 18:55:21 | 381ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 18:54:52 | 669ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 18:53:18 | 639ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 18:43:37 | 585ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-29 18:35:09 | 673ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 18:29:50 | 530ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-27 18:21:34 | 540ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-26 18:16:58 | 521ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 17:51:49 | 482ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 17:13:48 | 6469ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 07:54:17 | 1069ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 05:40:07 | 1092ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-06 05:19:34 | 534ms | 2 NS 1 A 1 MX | 🔒 Secure |