goodbrush.dk is a .dk domain served by 2 nameservers (ns01.hostnet.nl, ns02.hostnet.nl). It was registered on 15 March 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 91.184.0.113 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mailfilter.hostnet.nl. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 91.184.0.113 | — | n09.fwd.prod.hostnet.nl | AS51468 | One.com A/S | 91.184.0.0/19 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | — | mailfilter.hostnet.nl | 91.184.19.251 | mailfilter.hostnet.nl | AS51468 One.com A/S |
| TXT Record |
|---|
| v=spf1 a mx include:_spf.hostnet.nl -all |
| Policy | Record (goodbrush.dk) |
|---|---|
| -all (hard fail) | v=spf1 a mx include:_spf.hostnet.nl -all |
| Policy | Record (_dmarc.goodbrush.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www CNAME | goodbrush.dk (all on goodbrush.dk) → 91.184.0.113 (AS51468) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
DNS lookups: 4/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mailfilter.hostnet.nl | DANE-EE · SPKI · SHA-256 | E3F3620A9FFBF55AAED670B046874D36… |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026011301 |
| Primary NS (MNAME) | ns01.hostnet.nl |
| Responsible (RNAME) | hostmaster@hostnet.nl |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2021-03-15 |
| Expires | 2027-03-31 (164d) |
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).
Showing 100 of 149.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 00:13:19 | 421ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-29 16:35:32 | 707ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-09-03 23:39:16 | 454ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-28 10:01:59 | 864ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-08-26 18:23:49 | 832ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-07-13 23:22:59 | 8832ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:48:17 | 611ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 10:36:58 shown | 775ms | 2 NS 1 A 1 MX | 🔓 Insecure |