it-ridder.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 3 November 2008 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 217.61.237.129 is hosted by team.blue Denmark A/S (AS48854) in Denmark. Mail is handled by mx1.spamfilter.cc. 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 |
|---|---|---|---|---|---|---|---|
| 217.61.237.129 | 43200s | — | AS48854 | team.blue Denmark A/S | 217.61.237.0/24 | 🇩🇰 Denmark | — |
| www | Address record (no CNAME) |
| 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 | 2026092001 |
| 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 | 2008-11-03 |
| Expires | 2026-11-30 (40d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-05 07:03:27 | 19694ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 06:05:12 | 17967ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 04:29:21 | 5872ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-21 08:16:17 shown | 17115ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 08:35:32 | 4837ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-16 19:47:26 | 41426ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:15:47 | 5148ms | 2 NS 1 A 1 MX | 🔒 Secure |