ethumb.dk is a .dk domain served by 2 nameservers (perla.ns.cloudflare.com, sage.ns.cloudflare.com). It was registered on 28 September 2026 (WHOIS) and first appeared in the .dk zone on 29 September 2026. Its website address 104.21.1.143 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.1.143 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.129.107 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 104.21.1.143 |
| 🔶 Autoconfig | 172.67.129.107 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3033::6815:18f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3033::ac43:816b | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.1.143,172.67.129.107 ech=AEX+DQBBEwAgACAUSGo1qZaFhUBC+pmIAGLkDOUTRzFsv2QmJ6InhhSeIQAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3033::6815:18f,2606:4700:3033::ac43:816b |
| www | 104.21.1.143 172.67.129.107 2606:4700:3033::6815:18f 2606:4700:3033::ac43:816b (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| Type | Name | Value |
|---|---|---|
| TXT | _acme-challenge.ethumb.dk | f8eE4MTG0_1vT1P4Dd6sgGPG49cbWaLRue08aP472L0 |
| TXT | _acme-challenge.ethumb.dk | zIR-i-F_bgEfYzLjIiiu0w2GZIjPCD5zb5qTcmCcuo8 |
| 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 | 2416262105 |
| Primary NS (MNAME) | perla.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | DANDOMAIN A/S |
| Registered | 2026-09-28 |
| Expires | 2027-09-27 (338d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 05:31:57 | 656ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-10-01 05:27:16 shown | 582ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-29 08:58:05 | 645ms | 2 NS 1 A 0 MX | 🔒 Secure |