th0.dk is a .dk domain served by 2 nameservers (melina.ns.cloudflare.com, mustafa.ns.cloudflare.com). It was registered on 15 March 2010 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.21.46.127 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by mta-gw.infomaniak.ch. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.21.46.127 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.139.5 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3031::6815:2e7f | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3032::ac43:8b05 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.46.127,172.67.139.5 ech=AEX+DQBBdQAgACCtXPauYnwIQY1bwdjNG9GUkepAwJ0JjCUnS95rKokiewAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3031::6815:2e7f,2606:4700:3032::ac43:8b05 |
| TXT Record |
|---|
| v=spf1 include:spf.infomaniak.ch -all |
| Policy | Record (th0.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.infomaniak.ch -all |
| Policy | Record (_dmarc.th0.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc@th0.dk; fo=1; pct=100; adkim=s; aspf=s |
| www | NXDOMAIN |
| www vs bare domain | www does not resolve th0.dk: 104.21.46.127 172.67.139.5 2606:4700:3031::6815:2e7f 2606:4700:3032::ac43:8b05 (AS13335) (all like this)www.th0.dk: no address |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| Type | Name | Value |
|---|---|---|
| CNAME | _acme-challenge.th0.dk | 1a89f7cb-54e6-42b8-8ca9-bb4bcf8ea7b5.auth.acme-dns.io |
| TXT | 1a89f7cb-54e6-42b8-8ca9-bb4bcf8ea7b5.auth.acme-dns.io | 0zSN1glT-yLfwkDbveu8_M44cb24vwkIwTPH2P0wwJU |
| TXT | 1a89f7cb-54e6-42b8-8ca9-bb4bcf8ea7b5.auth.acme-dns.io | 8jIYM2VmzOwm6nyKuSljRj1-NIeOgEsbRODdYSaVAkU |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mta-gw.infomaniak.ch | DANE-EE · SPKI · SHA-256 | 01BBBC3A65E5F2067AA43DBAB107583E… |
| 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 | 2417626804 |
| Primary NS (MNAME) | melina.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2010-03-15 |
| Expires | 2027-03-31 (158d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-17 05:09:25 shown | 781ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-30 02:17:33 | 1056ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-09-20 21:27:56 | 1892ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-21 06:26:31 | 9946ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-19 04:07:33 | 11891ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-08-02 09:40:50 | 1347ms | 2 NS 2 A 1 MX | ❓ Unknown |
| 2026-06-30 00:26:23 | 1281ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-24 18:19:30 | 1060ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-21 20:17:07 | 898ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 13:24:22 | 1354ms | 2 NS 2 A 1 MX | 🔓 Insecure |
| 2026-06-18 10:28:51 | 1552ms | 2 NS 2 A 1 MX | 🔓 Insecure |