rst-flyveklub.dk is a .dk domain served by 2 nameservers (milan.ns.cloudflare.com, treasure.ns.cloudflare.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.12.181 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.spacemail.com, mx2.spacemail.com. The zone is not DNSSEC-signed, has no DMARC policy and is reachable over IPv6. Below are all of its DNS records from our latest 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 |
|---|---|---|---|---|---|---|---|
| 104.21.12.181 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.132.53 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.spacemail.com | 162.255.118.30 | mx1.spacemail.com | AS22612 Namecheap, Inc. |
| 20 | 300s | mx2.spacemail.com | 162.255.118.31 | mx2.spacemail.com | AS22612 Namecheap, Inc. |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:cb5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::ac43:8435 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.12.181,172.67.132.53 ech=AEX+DQBByAAgACBOz//hvmpO/WnTv2oh9ouA6AXH3BuPjrTmLwFKWaJ6SQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:cb5,2606:4700:3035::ac43:8435 |
| www | 104.21.12.181 172.67.132.53 2606:4700:3035::6815:cb5 2606:4700:3035::ac43:8435 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network rst-flyveklub.dk: 104.21.12.181 172.67.132.53 2606:4700:3035::6815:cb5 2606:4700:3035::ac43:8435 (AS13335) www.rst-flyveklub.dk: 104.21.12.181 172.67.132.53 2606:4700:3035::6815:cb5 2606:4700:3035::ac43:8435 (AS13335) |
| 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 | 2415899590 |
| Primary NS (MNAME) | milan.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-26 14:37:17 shown | 861ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-25 14:27:57 | 768ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-10 12:04:46 | 1357ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-28 17:22:04 | 10769ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-07-14 13:21:08 | 995ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-26 04:07:10 | 1205ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-19 20:55:15 | 792ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 11:55:14 | 1868ms | 2 NS 2 A 2 MX | 🔓 Insecure |