tsui.dk is a .dk domain served by 2 nameservers (ns01.one.com, ns02.one.com). It was registered on 5 November 2001 (WHOIS) and was already in the .dk zone when our tracking began on 16 June 2026. Its website address 46.30.215.165 is hosted by One.com A/S (AS51468) in Denmark. Mail is handled by mx1.pub.mailpod14-cph3.one.com, mx2.pub.mailpod14-cph3.one.com and 2 more. 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 |
|---|---|---|---|---|---|---|---|
| 46.30.215.165 | 3600s | webcluster2.webpod17-cph3.one.com | AS51468 | One.com A/S | 46.30.208.0/21 | 🇩🇰 Denmark | Copenhagen |
| Priority | TTL | Mail Server | IP addresses | PTR | ASN |
|---|---|---|---|---|---|
| 10 | 10800s | mx1.pub.mailpod14-cph3.one.com | 185.10.9.212 | mx1.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx2.pub.mailpod14-cph3.one.com | 185.10.9.213 | mx2.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx3.pub.mailpod14-cph3.one.com | 185.10.9.214 | mx3.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| 10 | 10800s | mx4.pub.mailpod14-cph3.one.com | 185.10.9.215 | mx4.pub.mailpod14-cph3.one.com | AS51468 One.com A/S |
| IPv6 Address | TTL | PTR | ASN | ISP / Org | CIDR | Country | City |
|---|---|---|---|---|---|---|---|
| 2a02:2350:5:106:8029:bf70:1b2e:68da | 3600s | — | AS51468 | One.com A/S | 2a02:2350:0:0:0:0:0:0/32 | 🇩🇰 Denmark | Copenhagen |
| www | 46.30.215.165 2a02:2350:5:106:8029:bf70:1b2e:68da (AS51468) (address records, no CNAME) |
| www vs bare domain | Same network tsui.dk: 46.30.215.165 2a02:2350:5:106:8029:bf70:1b2e:68da (AS51468) www.tsui.dk: 46.30.215.165 2a02:2350:5:106:8029:bf70:1b2e:68da (AS51468) |
| Wildcard | No |
| Denial of existence | NSEC3 · 0 iterations · no salt RFC 9276 ✓ |
| CDS / CDNSKEY | None 0 CDS, 0 CDNSKEY |
| Service / Owner | Type | Cert association |
|---|---|---|
| SMTP _25._tcp.mx1.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx2.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx3.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| SMTP _25._tcp.mx4.pub.mailpod14-cph3.one.com | DANE-EE · SPKI · SHA-256 | 42A27444ECBF3C0485409E27E2A6AB15… |
| Check | Result |
|---|---|
| Validation Status | 🔒 Secure |
| AD Flag (resolver validates) | ✓ Set |
| DS Record | ✓ Found |
| DNSKEY Record | ✓ Found |
| Flags | fully validated |
| Field | Value |
|---|---|
| Serial | 2026102101 |
| Primary NS (MNAME) | ns01.one.com |
| Responsible (RNAME) | hostmaster@one.com |
| Refresh | 14400s |
| Retry | 3600s |
| Expire | 1209600s |
| Minimum (neg-cache TTL) | 600s |
| Field | Value |
|---|---|
| Registrar | ONE.COM A/S |
| Registered | 2001-11-05 |
| Expires | 2026-12-31 (69d) |
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 |
|---|---|
| t-sui.dk | ONE.COM A/S |
| Scanned At | Duration | Records | DNSSEC |
|---|---|---|---|
| 2026-10-22 07:48:41 shown | 1284ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-10-12 11:08:23 | 2170ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-29 23:53:08 | 566ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-26 09:54:19 | 660ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-23 05:37:50 | 2044ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-09-14 18:05:36 | 1110ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-08-12 18:34:54 | 1039ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-07-04 17:43:12 | 6067ms | 2 NS 1 A 4 MX | 🔒 Secure |
| 2026-06-24 23:38:39 | 3291ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-21 22:46:12 | 1118ms | 0 NS 0 A 0 MX | ❓ Unknown |
| 2026-06-20 13:46:15 | 636ms | 2 NS 1 A 4 MX | ⚠️ Bogus |
| 2026-06-18 04:42:41 | 730ms | 2 NS 1 A 4 MX | ⚠️ Bogus |