tressudemiljo.dk is a .dk domain served by 2 nameservers (desi.ns.cloudflare.com, scott.ns.cloudflare.com). It was registered on 6 February 2023 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 51.12.31.0 is hosted by Microsoft Corporation (AS8075) in Sweden. The zone is DNSSEC-signed and validates, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 51.12.31.0 | 300s | — | AS8075 | Microsoft Corporation | 51.12.0.0/15 | 🇸🇪 Sweden | — |
| Service | CNAME / IP |
|---|---|
| 🔷 Autodiscover | 51.12.31.0 |
| 🔶 Autoconfig | 51.12.31.0 |
| TXT Record |
|---|
| google-site-verification=wKApbz1iokas_CAWmZKAs4sujsm0INiiMlFDZNZrIeQ |
| Policy | Record (_dmarc.tressudemiljo.dk) |
|---|---|
| p=none (monitor only) | v=DMARC1; p=none; rua=mailto:d0b9026ccccf4335aa03df24c6c27f2e@dmarc-reports.cloudflare.net |
| www CNAME | tress-web.azurewebsites.net (all on azurewebsites.net) → 51.12.31.0 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | Yes: any name under the zone resolves |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2416510980 |
| Primary NS (MNAME) | desi.ns.cloudflare.com |
| Responsible (RNAME) | dns@cloudflare.com |
| Refresh | 10000s |
| Retry | 2400s |
| Expire | 604800s |
| Minimum (neg-cache TTL) | 1800s |
| Field | Value |
|---|---|
| Registrar | CURANET A/S |
| Registered | 2023-02-06 |
| Expires | 2027-02-05 (108d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-03 17:18:03 shown | 1768ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-29 16:52:57 | 425ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-27 14:06:20 | 748ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-09-03 20:46:37 | 444ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-30 04:36:25 | 1256ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-26 14:36:23 | 595ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-12 02:22:39 | 3081ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-08-07 05:54:00 | 841ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-07-18 00:05:28 | 1831ms | 2 NS 1 A 0 MX | 🔒 Secure |
| 2026-06-24 19:54:08 | 2808ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-22 10:26:36 | 751ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-20 00:33:44 | 2481ms | 2 NS 1 A 0 MX | 🔓 Insecure |
| 2026-06-17 21:51:46 | 712ms | 2 NS 1 A 0 MX | 🔓 Insecure |