karaktersystem.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 4 September 2005 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 90.184.89.235 is hosted by Hiper A/S (AS203953) in Denmark. Mail is handled by mail.karaktersystem.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 |
|---|---|---|---|---|---|---|---|
| 90.184.89.235 | 43200s | x5ab859eb.customers.hiper-net.dk | AS203953 | Hiper A/S | 90.184.0.0/15 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 43200s | mail.karaktersystem.dk | 90.184.89.235 | x5ab859eb.customers.hiper-net.dk | AS203953 Hiper A/S |
| 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 | 2026080901 |
| 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 | 2005-09-04 |
| Expires | 2027-09-30 (346d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-09 15:11:47 | 1375ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-22 02:37:09 | 592ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-20 07:44:39 | 4497ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-12 02:41:43 | 1366ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-09 18:42:43 shown | 2254ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-13 22:13:37 | 712ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-04 23:19:31 | 1158ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-24 05:03:16 | 597ms | 2 NS 1 A 1 MX | ⚠️ Bogus |
| 2026-06-17 14:43:46 | 934ms | 2 NS 1 A 1 MX | 🔒 Secure |