tresonans.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was already in the .dk zone when our tracking began on 16 June 2026. Its website address 77.111.240.153 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by .. The zone is DNSSEC-signed and validates, has no DMARC policy and is reachable over IPv6. 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 |
|---|---|---|---|---|---|---|---|
| 77.111.240.153 | 3600s | webcluster26.webpod11-cph3.one.com | AS51468 | One.com A/S | 77.111.240.0/22 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 0 | 300s | . Null MX — domain accepts no email (RFC 7505) | |||
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:102:ca:87ee:1f8:2357 | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 77.111.240.153 2a02:2350:5:102:ca:87ee:1f8:2357 (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network tresonans.dk: 77.111.240.153 2a02:2350:5:102:ca:87ee:1f8:2357 (AS51468) www.tresonans.dk: 77.111.240.153 2a02:2350:5:102:ca:87ee:1f8:2357 (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026091601 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-09-30 05:09:32 shown | 370ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-24 05:24:19 | 639ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-16 22:03:22 | 622ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-14 17:53:40 | 574ms | 2 NS 1 A 1 MX | 🔒 Secure |
| 2026-09-10 08:21:23 | 1026ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-30 16:08:20 | 2446ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-26 19:01:56 | 890ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-17 17:33:38 | 4914ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-03 11:47:51 | 686ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 21:39:29 | 2121ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-22 21:15:16 | 1182ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-19 23:46:26 | 971ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-17 15:37:15 | 766ms | 2 NS 1 A 4 MX | 🔒 Secure |