berkz.dk is a .dk domain served by 3 nameservers (ns1.start3000.eu, ns2.start3000.eu, ns3.start3000.nl). It was registered on 22 February 2020 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.42.73.150 is hosted by Signet B.V. (AS39700) in The Netherlands. Mail is handled by mx1.hdservices.nl, mx5.hdservices.nl. 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 |
|---|---|---|---|---|---|---|---|
| 185.42.73.150 | 3600s | static.ip-185-042-073-150.signet.nl | AS39700 | Signet B.V. | 185.42.72.0/22 | 🇳🇱 The Netherlands | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 3600s | mx1.hdservices.nl | 185.42.73.16 2001:4cb9:a000:7000::2 |
mx1.hdservices.nl mx1.hdservices.nl |
AS39700 Signet B.V. AS39700 Signet B.V. |
| 50 | 3600s | mx5.hdservices.nl | 212.57.60.1 2a02:691:25::3 |
mx5.hdservices.nl mx5.hdservices.nl |
AS41960 Nextpertise B.V. AS41960 Nextpertise B.V. |
| TXT Record |
|---|
| v=spf1 a mx ptr a:smtp.mail3000.nl a:smtp2.mail3000.nl ~all |
| Policy | Record (berkz.dk) |
|---|---|
| ~all (soft fail) | v=spf1 a mx ptr a:smtp.mail3000.nl a:smtp2.mail3000.nl ~all |
| www CNAME | berkz.dk (all on berkz.dk) → 185.42.73.150 (AS39700) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC3 · 50 iterations · 8-byte salt RFC 9276 recommends 0 iterations and no salt |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 5/10 · policy: ~all
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.hdservices.nl | DANE-EE · SPKI · SHA-256 | A53DE3BE047802C45C3ED24FE98F1DB7… |
| SMTP _25._tcp.mx1.hdservices.nl | DANE-EE · SPKI · SHA-256 | 26C753D10F7D01A3EC570BCBE9D32D13… |
| SMTP _25._tcp.mx1.hdservices.nl | DANE-EE · SPKI · SHA-256 | 34195CEB0D65C9E3B538B08A9ABBC3F1… |
| SMTP _25._tcp.mx5.hdservices.nl | DANE-EE · SPKI · SHA-256 | 26C753D10F7D01A3EC570BCBE9D32D13… |
| SMTP _25._tcp.mx5.hdservices.nl | DANE-EE · SPKI · SHA-256 | A53DE3BE047802C45C3ED24FE98F1DB7… |
| SMTP _25._tcp.mx5.hdservices.nl | DANE-EE · SPKI · SHA-256 | 34195CEB0D65C9E3B538B08A9ABBC3F1… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Key type | Algorithm | Public key |
|---|---|---|
| KSK | RSA/SHA-256 | AwEAAaoSxWwnAUJKIF1lBdHQShoUR3+jouLyj0Tx… |
| KSK | RSA/SHA-256 | AwEAAbfRLfy7b5MSKSkMFtAhR2CNOahmCHqLtjiu… |
| ZSK | RSA/SHA-256 | AwEAAZ3/gJusr8EUSPKsGOwBX5CoHuPFFnHhPu7G… |
| ZSK | RSA/SHA-256 | AwEAAarozv8YJb2RArmVkGD8JNXdhhw1sbZQj1XS… |
| Field | Value |
|---|---|
| Serial | 2020022297 |
| Primary NS (MNAME) | ns1.start3000.eu |
| Responsible (RNAME) | admin@start3000.eu |
| Refresh | 14400s |
| Retry | 1800s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Realtime Register B.V. |
| Registered | 2020-02-22 |
| Expires | 2027-02-28 (126d) |
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 |
|---|---|---|---|
| 2026-10-25 02:18:09 | 4053ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-23 22:12:42 shown | 4194ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-21 15:47:46 | 1057ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-20 12:18:42 | 3364ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-13 05:56:02 | 1442ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-08 13:57:00 | 2609ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-04 07:30:10 | 2636ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-02 07:27:23 | 776ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-10-01 07:20:27 | 1693ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-26 19:43:22 | 1017ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-23 18:23:10 | 1263ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-19 12:32:34 | 1514ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-09-05 09:33:26 | 2359ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-29 09:23:45 | 1598ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-25 20:46:14 | 1745ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-24 16:51:46 | 9598ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-19 04:17:01 | 14329ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-16 23:31:20 | 1352ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-12 16:14:57 | 3915ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-10 00:25:14 | 2984ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-08 05:07:45 | 1669ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-08-03 05:46:21 | 9333ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-31 18:31:46 | 16963ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-27 00:44:48 | 8824ms | 3 NS 1 A 2 MX | 🔒 Secure |
| 2026-07-22 22:54:17 | 11497ms | 3 NS 1 A 2 MX | 🔒 Secure |