noop.dk is a .dk domain served by 2 nameservers (heather.ns.cloudflare.com, luke.ns.cloudflare.com). It was registered on 21 February 2025 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.66.87 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mx1.netim.net, mx2.netim.net. The zone is not DNSSEC-signed, has no 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 |
|---|---|---|---|---|---|---|---|
| 104.21.66.87 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.158.1 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 300s | mx1.netim.net | 185.26.106.244 185.26.106.244 |
mx1.myservices.email mx1.netim.net |
AS24935 Eurofiber France SAS AS24935 Eurofiber France SAS |
| 10 | 300s | mx2.netim.net | 185.26.105.163 185.26.105.163 |
mx2.myservices.email mx2.netim.net |
AS24935 Eurofiber France SAS AS24935 Eurofiber France SAS |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::ac43:9e01 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3035::6815:4257 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.66.87,172.67.158.1 ech=AEX+DQBB1wAgACA7s+hItP6lBgSy/8FnCc+OwUdi1rhFwkxfr1yPQ1Q+HAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::ac43:9e01,2606:4700:3035::6815:4257 |
| TXT Record |
|---|
| v=spf1 ip4:185.26.104.0/22 ~all |
| Policy | Record (noop.dk) |
|---|---|
| ~all (soft fail) | v=spf1 ip4:185.26.104.0/22 ~all |
| www | 104.21.66.87 172.67.158.1 2606:4700:3033::ac43:9e01 2606:4700:3035::6815:4257 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
DNS lookups: 0/10 · policy: ~all
No problems found| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.noop.dk | hu67oYF0axgGXoISoA29ATi9gPubWQPmhO8JUgNIFzM |
| TXT | _acme-challenge.noop.dk | U0KInF2rHt1gQNOPRMWZsHJdQ-DCugQQPe-k0H0-S_M |
| 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 | 2413003736 |
| Primary NS (MNAME) | heather.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | NETIM |
| Registered | 2025-02-21 |
| Expires | 2027-02-20 (122d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-10 16:19:55 | 2965ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-10-04 09:55:26 | 685ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 18:23:06 | 712ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-09-30 00:06:54 | 653ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-27 03:16:09 | 676ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-26 12:34:21 | 880ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-24 05:24:48 shown | 4241ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-08-13 03:56:42 | 9084ms | 2 NS 2 A 2 MX | 🔓 Insecure |
| 2026-06-17 19:29:14 | 897ms | 2 NS 2 A 2 MX | 🔓 Insecure |