certmax.dk is a .dk domain served by 2 nameservers (a.portsdns.se, b.portsdns.net). It was registered on 20 November 2019 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 150.171.109.197 is hosted by Microsoft Corporation (AS8075) in United States. The zone is of unknown DNSSEC status, 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 |
|---|---|---|---|---|---|---|---|
| 150.171.109.197 | 300s | — | AS8075 | Microsoft Corporation | 150.171.64.0/18 | 🇺🇸 United States | — |
| 52.178.208.12 | 300s | — | AS8075 | Microsoft Corporation | 52.160.0.0/11 | 🇮🇪 Ireland | Dublin |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2603:1061:14:c3::1 | 300s | — | AS8075 | Microsoft Corporation | 2603:1060:0:0:0:0:0:0/31 | 🇺🇸 United States | — |
| TXT Record |
|---|
| 3mtk840msql0103tghz3746x168byxq0 |
| v=spf1 -all |
| Policy | Record (certmax.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.certmax.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:xsbuxhid@ag.eu.dmarcadvisor.com; |
| www CNAME | cpemea-portal-fe-c2h4f0hhdfhbbucm.z01.azurefd.net (all on azurefd.net) |
| www vs bare domain | Same network certmax.dk: 150.171.109.193 52.178.208.12 2603:1061:14:c1::1 (AS8075) www.certmax.dk: 150.171.109.193 2603:1061:14:c0::1 (AS8075) |
| Wildcard | No |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | ❓ Unknown |
| AD Flag (resolver validates) | ✗ Not set |
| DS Record | ✗ Not found |
| DNSKEY Record | ✗ Not found |
| Flags | broken trust chain resolving 'certmax.dk/A/IN': 127.0.0.1#53 |
| Field | Value |
|---|---|
| Serial | 2026070800 |
| Primary NS (MNAME) | a.portsdns.se |
| Responsible (RNAME) | registry@ports.net |
| Refresh | 1800s |
| Retry | 900s |
| Expire | 1814400s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Abion AB |
| Registered | 2019-11-20 |
| Expires | 2026-11-30 (43d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-01 04:05:58 | 791ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-09-06 12:18:03 | 1104ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-29 06:23:11 | 749ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-27 16:18:39 | 626ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-08-25 11:17:33 | 888ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-07-08 19:13:18 shown | 854ms | 2 NS 2 A 0 MX | ❓ Unknown |
| 2026-06-21 16:04:48 | 799ms | 2 NS 2 A 0 MX | 🔓 Insecure |
| 2026-06-16 20:10:17 | 2354ms | 2 NS 2 A 0 MX | 🔓 Insecure |