redgreenblue.dk is a .dk domain served by 2 nameservers (elliot.ns.cloudflare.com, tegan.ns.cloudflare.com). It was registered on 14 November 2013 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.19.222 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.19.222 | 298s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.190.106 | 298s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| www | 104.21.19.222 172.67.190.106 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network redgreenblue.dk: 104.21.19.222 172.67.190.106 (AS13335) www.redgreenblue.dk: 104.21.19.222 172.67.190.106 (AS13335) |
| Wildcard | Yes: any name under the zone resolves |
| Selector | CNAME | Key |
|---|---|---|
| — | RSA · ~1024 bit below 2048 bit |
DKIM selectors can't be listed, so we check the common ones (Microsoft 365, Google, Mailchimp, SendGrid, generic). Keys under other selectors aren't shown.
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.redgreenblue.dk | ybDvLxjT8dhyZya9qSsm3hIMuzx72zzfTriYO0HZBM4 |
| 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 | 2410822204 |
| Primary NS (MNAME) | elliot.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 | 2013-11-14 |
| Expires | 2026-11-30 (36d) |
Other .dk domains whose WHOIS registrant has the same name and postal address. Matched on a keyed hash: the registrant's details are not stored or shown. Covers only domains whose WHOIS we have fetched (refreshed about monthly).
No other domain with this registrant in our WHOIS data yet| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 09:10:17 | 2292ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-26 21:12:34 | 1394ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-06 06:33:23 | 1320ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-09-01 22:06:36 | 1472ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-31 14:27:51 | 861ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-31 06:22:25 | 2090ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-28 04:55:21 | 859ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-08-26 18:46:49 | 2947ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-07-30 05:04:02 shown | 17721ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-20 10:37:47 | 699ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-20 03:21:43 | 1024ms | 2 NS 2 A 5 MX | 🔓 Insecure |
| 2026-06-17 22:40:50 | 1097ms | 2 NS 2 A 5 MX | 🔓 Insecure |