tre-t.dk is a .dk domain served by 3 nameservers (ns1.netsite.dk, ns2.netsite.eu, ns3.netsite.se). It was registered on 2 October 2012 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 185.224.18.200 is hosted by Netsite A/S (AS205206) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, 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 |
|---|---|---|---|---|---|---|---|
| 185.224.18.200 | 3600s | parked.netsite.host | AS205206 | Netsite A/S | 185.224.16.0/22 | 🇩🇰 Denmark | — |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 3600s | . Null MX — domain accepts no email (RFC 7505) | |||
| TXT Record |
|---|
| v=spf1 -all |
| Policy | Record (tre-t.dk) |
|---|---|
| -all (hard fail) | v=spf1 -all |
| Policy | Record (_dmarc.tre-t.dk) |
|---|---|
| p=reject | v=DMARC1; p=reject |
| www | 185.224.18.200 (AS205206) (address records, no CNAME) |
| www vs bare domain | Same network |
| Wildcard | No |
| Denial of existence | NSEC zone can be walked (all names enumerable) |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
DNS lookups: 0/10 · policy: -all
No problems found| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026073001 |
| Primary NS (MNAME) | ns1.netsite.dk |
| Responsible (RNAME) | hostmaster@netsite.dk |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 3600s |
| Field | Value |
|---|---|
| Registrar | Netsite A/S |
| Registered | 2012-10-02 |
| Expires | 2026-10-31 (13d) |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-15 11:00:24 | 435ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-08 22:37:34 | 1628ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-02 19:26:19 | 358ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-10-01 19:23:55 | 976ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 17:45:30 | 485ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-17 13:00:34 | 790ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 11:54:50 | 701ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-03 11:40:08 | 542ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-28 06:26:07 | 684ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-27 23:05:26 | 397ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-20 11:08:18 | 1250ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-13 03:59:43 | 666ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-07 04:29:42 | 2630ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-05 20:15:02 | 1123ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-08-01 01:08:05 shown | 2542ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-23 21:28:57 | 630ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-16 20:51:30 | 581ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-09 05:57:30 | 1603ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-07-03 15:30:22 | 650ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-25 08:25:22 | 636ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-22 13:39:26 | 712ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-19 20:10:38 | 534ms | 3 NS 1 A 1 MX | 🔒 Secure |
| 2026-06-17 12:20:49 | 811ms | 3 NS 1 A 0 MX | 🔒 Secure |