rcsgateway.dk is a .dk domain served by 2 nameservers (lucy.ns.cloudflare.com, stan.ns.cloudflare.com). It was registered on 21 February 2017 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.8.229 is hosted by Cloudflare, Inc. (AS13335). The zone is of unknown DNSSEC status, publishes a DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 104.21.8.229 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.188.205 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3030::ac43:bccd | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:8e5 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.8.229,172.67.188.205 ech=AEX+DQBB5QAgACCXbCEWdBn1rsh8Vdd4fOjfzpLmU9W+yvDBMfL6rkGuIgAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3030::ac43:bccd,2606:4700:3035::6815:8e5 |
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (rcsgateway.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.rcsgateway.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; |
| www | Exists, no address |
| www vs bare domain | www does not resolve rcsgateway.dk: 104.21.8.229 172.67.188.205 2606:4700:3030::ac43:bccd 2606:4700:3035::6815:8e5 (AS13335) (all like this)www.rcsgateway.dk: no address |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✓ Found |
| Flags | broken trust chain resolving 'rcsgateway.dk/DNSKEY/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2409163831 |
| Primary NS (MNAME) | lucy.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | Punktum dk A/S (direct) |
| Registered | 2017-02-21 |
| Expires | 2027-02-28 (130d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 11:34:21 | 1334ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-16 11:09:20 | 2492ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-15 10:08:41 | 711ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-07 15:28:08 | 521ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-28 05:34:45 | 2370ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-23 14:55:38 | 647ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-22 09:15:05 | 3149ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-21 01:22:23 | 819ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-11 00:34:47 | 2013ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-28 10:58:19 | 573ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-08 11:14:43 | 2078ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-25 03:26:09 | 956ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-16 09:56:23 | 1418ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-07-12 03:22:36 shown | 1162ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-25 20:08:24 | 1671ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 16:15:22 | 651ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-19 22:04:46 | 629ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-17 13:06:02 | 2164ms | 2 NS 2 A 0 MX | 🔓 Insecure |