tress.dk is a .dk domain served by 2 nameservers (desi.ns.cloudflare.com, scott.ns.cloudflare.com). It was registered on 4 April 1997 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Mail is handled by tress-dk.o-v1.mx.microsoft. The zone is not DNSSEC-signed, publishes a DMARC policy and has no IPv6 address. 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 |
|---|---|---|---|---|---|---|---|
| 51.12.31.0 | — | — | AS8075 | — | — | — | — |
| TXT Record |
|---|
| _globalsign-domain-verification=4RiROBTFEy49aI7w2sQKNUSY0XfRYHOtzSOalEnhHx |
| _globalsign-domain-verification=FWU6qxOoAtl5_obO2ZCuC5OmRXfREkqQ9NE7TWy5wm |
| _globalsign-domain-verification=haxNVHhbp75DV85NXGhNHckvHd6EQVieGBn8D5WAFW |
| facebook-domain-verification=hwaiuesbr1s23kvsy6out57z6veore |
| google-site-verification=EQkIcjadcudtzp2QylSWVF_PtAdYMpObFosRc_N0NIg |
| MS=ms26504038 |
| v=spf1 include:spf.mandrillapp.com include:send.heyloyalty.com ip4:193.104.43.62 include:spf.protection.outlook.com ip4:91.133.32.192 ip4:94.137.139.194 -all |
| Policy | Record (tress.dk) |
|---|---|
| -all (hard fail) | v=spf1 include:spf.mandrillapp.com include:send.heyloyalty.com ip4:193.104.43.62 include:spf.protection.outlook.com ip4:91.133.32.192 ip4:94.137.139.194 -all |
| Policy | Record (_dmarc.tress.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject; rua=mailto:dmarc_agg@vali.email |
| www CNAME | tress-web.azurewebsites.net (all on azurewebsites.net) → 51.12.31.0 (AS8075) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | Compact NSEC (RFC 9824, "black lies") not walkable |
| CDS / CDNSKEY | Published: key rollovers can be automated with the registry (RFC 7344/8078) 1 CDS, 1 CDNSKEY |
DNS lookups: 3/10 · policy: -all
No problems found| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.tress-dk.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | A6C267923B26A4A9617EDA73D8DB4FBC… |
| SMTP _25._tcp.tress-dk.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | C495D9E40F7E625BE22F83CC64305182… |
| SMTP _25._tcp.tress-dk.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 38D895F5105BC2545822C17A2444F4B0… |
| SMTP _25._tcp.tress-dk.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 5F88694615E4C61686E106B84C3338C6… |
| SMTP _25._tcp.tress-dk.o-v1.mx.microsoft | DANE-TA · Full cert · SHA-256 | 6EBFF927297A5B3AAF5EAE672252C36A… |
| SMTP _25._tcp.tress-dk.o-v1.mx.microsoft | DANE-EE · SPKI · SHA-256 | 133086C7B822371A4A3304F1661A7880… |
| 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 | 2406747711 |
| 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 | 1997-04-04 |
| Expires | 2027-06-30 (251d) |
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).
| Domain | Registrar |
|---|---|
| legepladseksperten.dk | CURANET A/S |
| mobilisdesign.dk | CURANET A/S |
| tress-udemiljø.dk | CURANET A/S |
| tressudemiljo.dk | CURANET A/S |
| udemiljoe.dk | CURANET A/S |
| udemiljø.dk | CURANET A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-21 17:25:12 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 10:18:10 | 627ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-30 00:33:49 | 1166ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-28 00:06:39 | 1908ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-19 14:23:35 | 2782ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-04 09:23:46 | 607ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-11 03:15:51 | 5560ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-04 02:23:36 | 9390ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-21 00:39:56 | 1724ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-18 12:20:00 | 9109ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 18:26:11 | 1124ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-23 20:26:53 | 1543ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-21 05:45:04 | 2956ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-19 22:01:25 | 1056ms | 2 NS 1 A 1 MX | 🔓 Insecure |
| 2026-06-17 20:06:04 shown | 1541ms | 2 NS 1 A 1 MX | 🔓 Insecure |