simplifysys.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 6 October 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 89.150.135.155 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.deoliveira.dk. 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 |
|---|---|---|---|---|---|---|---|
| 89.150.135.155 | 3600s | x5996879b.customers.hiper-net.dk | AS203953 | Hiper A/S | 89.150.128.0/18 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | mail.deoliveira.dk | 89.150.135.155 | x5996879b.customers.hiper-net.dk | AS203953 Hiper A/S |
| www CNAME | deoliveira.synology.me (all on synology.me) |
| 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 |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091001 |
| 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 | 2008-10-06 |
| Expires | 2026-10-31 (14d) |
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).
| Domain | Registrar |
|---|---|
| deoliveira.dk | Punktum dk A/S (direct) |
| kongensvej.dk | ONE.COM A/S |
| podhead.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 14:54:22 | 378ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-10-12 09:52:39 | 419ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-23 15:54:58 | 4447ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-13 04:25:19 shown | 669ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-11 20:21:36 | 954ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-12 22:03:37 | 2741ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-04 03:56:41 | 6517ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-02 22:24:36 | 13537ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-17 18:27:51 | 600ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-12 11:11:47 | 8505ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-08 11:11:39 | 728ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 10:45:01 | 513ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-30 17:12:21 | 650ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 19:01:54 | 554ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 19:49:20 | 1550ms | 2 NS 1 A 1 MX | 🔒 Secure |