opnx.dk is a .dk domain served by 2 nameservers (cortney.ns.cloudflare.com, darl.ns.cloudflare.com). It was registered on 9 August 2021 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 104.26.6.212 is hosted by Cloudflare, Inc. (AS13335). Mail is handled by opnx-dk.mail.protection.outlook.com. The zone is not DNSSEC-signed, publishes a 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 |
|---|---|---|---|---|---|---|---|
| 104.26.6.212 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 104.26.7.212 | 300s | — | AS13335 | Cloudflare, Inc. | 104.26.0.0/20 | — | — |
| 172.67.73.157 | 300s | — | AS13335 | Cloudflare, Inc. | 172.67.64.0/18 | — | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | autodiscover.outlook.com → 40.104.116.56 |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2606:4700:20::681a:6d4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::681a:7d4 | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| 2606:4700:20::ac43:499d | 300s | — | AS13335 | Cloudflare, Inc. | 2606:4700:0:0:0:0:0:0/41 | — | — |
| Priority | Target | SvcParams |
|---|---|---|
| 1 service | . | alpn="h3,h2" ipv4hint=104.26.6.212,104.26.7.212,172.67.73.157 ipv6hint=2606:4700:20::681a:6d4,2606:4700:20::681a:7d4,2606:4700:20::ac43:499d |
| TXT Record |
|---|
| google-site-verification=kBTHyVQV6duL3XklxQOla10M7_9xwJP7ruyM2r3ttfg |
| MS=ms94140011 |
| v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:helpscoutemail.com -all |
| Policy | Record (opnx.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.protection.outlook.com include:spf.mandrillapp.com include:helpscoutemail.com -all |
| Policy | Record (_dmarc.opnx.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; |
| www | 104.26.6.212 104.26.7.212 172.67.73.157 2606:4700:20::681a:6d4 2606:4700:20::681a:7d4 2606:4700:20::ac43:499d (AS13335) (address records, no CNAME) |
| www vs bare domain | Same network opnx.dk: 104.26.6.212 104.26.7.212 172.67.73.157 2606:4700:20::681a:6d4 (AS13335) www.opnx.dk: 104.26.6.212 104.26.7.212 172.67.73.157 2606:4700:20::681a:6d4 (AS13335) |
| Wildcard | No |
DNS lookups: 3/10 · policy: -all
No problems found| 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 | 2407498996 |
| Primary NS (MNAME) | cortney.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 | 2021-08-09 |
| Expires | 2027-08-31 (315d) |
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).
Showing 100 of 109.
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-13 03:28:30 | 1922ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-03 13:31:41 | 1152ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-10-02 13:30:01 | 1175ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-30 13:16:07 | 1200ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-09-26 01:55:44 | 3178ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-15 01:06:07 | 17314ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-08-06 19:28:50 | 18699ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-21 07:36:41 shown | 1348ms | 2 NS 3 A 1 MX | 🔓 Insecure |
| 2026-06-17 12:01:04 | 3416ms | 2 NS 3 A 1 MX | 🔓 Insecure |