opentrust.dk is a .dk domain served by 2 nameservers (jade.ns.cloudflare.com, randy.ns.cloudflare.com). It first appeared in the .dk zone on 29 June 2026. Its website address 104.21.5.73 is hosted by Cloudflare, Inc. (AS13335). 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 |
|---|---|---|---|---|---|---|---|
| 104.21.5.73 | 300s | — | AS13335 | Cloudflare, Inc. | 104.21.0.0/17 | — | — |
| 172.67.133.41 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.128.0/17 | — | — |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:3035::6815:549 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| 2606:4700:3037::ac43:8529 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:3000:0:0:0:0:0/42 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.21.5.73,172.67.133.41 ech=AEX+DQBBYwAgACBhrmF226LMhe3Ocb+G2g0MIyFdmDiQeQSvwrtR4Y3qDAAEAAEAAQASY2xvdWRmbGFyZS1lY2guY29tAAA= ipv6hint=2606:4700:3035::6815:549,2606:4700:3037::ac43:8529 |
| Policy | Record (_dmarc.opentrust.dk) |
|---|---|
| p=quarantine | v=DMARC1; p=quarantine; adkim=r; aspf=r; rua=mailto:dmarc_rua@onsecureserver.net; |
| www | 104.21.5.73 172.67.133.41 2606:4700:3035::6815:549 2606:4700:3037::ac43:8529 (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network opentrust.dk: 104.21.5.73 172.67.133.41 2606:4700:3035::6815:549 2606:4700:3037::ac43:8529 (AS13335) www.opentrust.dk: 104.21.5.73 172.67.133.41 2606:4700:3035::6815:549 2606:4700:3037::ac43:8529 (AS13335) |
| Wildcard | No |
| 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 | 2413893377 |
| Primary NS (MNAME) | jade.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-02 19:48:45 shown | 565ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 12:59:06 | 1916ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-03 03:23:54 | 9465ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-26 23:18:41 | 9411ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-04 18:14:08 | 2831ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-30 16:31:32 | 767ms | 3 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-29 08:35:27 | 523ms | 2 NS 2 A 0 MX | 🔓 Insecure |