rtkdk.dk is a .dk domain served by 2 nameservers (ns61.domaincontrol.com, ns62.domaincontrol.com). It was registered on 11 July 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 18.135.189.87 is hosted by Amazon.com, Inc. (AS16509) in United Kingdom. The zone is not DNSSEC-signed, 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 |
|---|---|---|---|---|---|---|---|
| 18.135.189.87 | 600s | ec2-18-135-189-87.eu-west-2.compute.amazonaws.com | AS16509 | Amazon.com, Inc. | 18.128.0.0/12 | 🇬🇧 United Kingdom | City of London |
| www CNAME | rtkdk.dk (all on rtkdk.dk) → 18.135.189.87 (AS16509) |
| www vs bare domain | Same network |
| Wildcard | No |
| Check | Result |
|---|---|
| Validation Status | 🔓 Insecure |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | unsigned answer |
| Field | Value |
|---|---|
| Serial | 2026041800 |
| Primary NS (MNAME) | ns61.domaincontrol.com |
| Responsible (RNAME) | dns@jomax.net |
| Refresh | 28800s |
| Retry | 7200s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2023-07-11 |
| Expires | 2027-07-10 (259d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-23 10:11:47 | 525ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-09-29 17:46:32 | 608ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-27 23:41:08 | 2644ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-08-26 16:14:46 | 1064ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-27 21:36:45 shown | 795ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-24 15:22:47 | 733ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:01:30 | 2220ms | 2 NS 1 A 0 MX | 🔓 Insecure |