trendhoj.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 June 2002 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 87.104.90.21 is hosted by AURA Fiber A/S (AS204274) in Denmark. Mail is handled by mail.protonmail.ch, mailsec.protonmail.ch. The zone is DNSSEC-signed but currently fails validation, 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 |
|---|---|---|---|---|---|---|---|
| 87.104.90.21 | 3600s | 87.104.90.21.dynamic.dhcp.aura-net.dk | AS204274 | AURA Fiber A/S | 87.104.64.0/18 | 🇩🇰 Denmark | Hørning |
| TXT Record |
|---|
| protonmail-verification=64afc7a381881572ca13299f6a975e1f44a5b6db |
| v=spf1 include:_spf.protonmail.ch mx ~all |
| Policy | Record (trendhoj.dk) |
|---|---|
| ~all (soft fail) | v=spf1 include:_spf.protonmail.ch mx ~all |
| www | 87.104.90.21 (AS204274) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 3/10 · policy: ~all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| SMTP _25._tcp.mail.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 76BB66711DA416433CA890A5B2E5A053… |
| SMTP _25._tcp.mailsec.protonmail.ch | DANE-EE · SPKI · SHA-256 | 6111A5698D23C89E09C36FF833C1487E… |
| Check | Result |
|---|---|
| Validation Status | ⚠️ Bogus |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'trendhoj.dk/DS/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026061001 |
| 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 | 2002-06-06 |
| Expires | 2032-06-30 (2076d) |
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 |
|---|---|---|---|
| 2026-10-11 11:28:53 | 1176ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-09 11:07:34 | 1130ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 04:28:28 | 1191ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-18 01:44:51 | 4225ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-11 03:36:17 | 6191ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-02 14:47:47 | 2655ms | 2 NS 1 A 2 MX | 🔒 Secure |
| 2026-06-24 08:17:12 shown | 2897ms | 2 NS 1 A 2 MX | ⚠️ Bogus |
| 2026-06-22 17:45:39 | 1101ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-17 11:46:14 | 904ms | 2 NS 1 A 2 MX | 🔒 Secure |