greenbytes.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 2 January 2014 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.186.169.189 is hosted by Sentia Denmark A/S (AS47292) in Denmark. Mail is handled by .. 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.
| IP | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 89.186.169.189 | 43200s | — | AS47292 | Sentia Denmark A/S | 89.186.168.0/23 | 🇩🇰 Denmark | Valby |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| www | 46.30.211.38 (AS51468) (address records, no CNAME) |
| www vs bare domain | Different networks (all like this) |
| 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 | 2026100901 |
| 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 | 2014-01-02 |
| Expires | 2027-01-31 (103d) |
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 |
|---|---|---|---|
| 2026-10-18 12:55:25 | 358ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-17 12:28:14 shown | 930ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-14 11:42:37 | 332ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-10 03:29:04 | 382ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-09 01:21:08 | 905ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 22:29:53 | 560ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 23:10:58 | 800ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-27 00:48:41 | 617ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 09:59:09 | 4969ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-23 02:51:26 | 918ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 03:17:21 | 540ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:42:51 | 726ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 10:40:00 | 1031ms | 2 NS 1 A 4 MX | 🔒 Secure |